From akrherz at iastate.edu  Tue Feb  1 11:00:03 2011
From: akrherz at iastate.edu (daryl herzmann)
Date: Tue, 1 Feb 2011 11:00:03 -0600
Subject: IEM Daily Bulletin
Message-ID: <201102011700.p11H03Vw014776@despam-12.iastate.edu>


Iowa Environmental Mesonet Daily Bulletin for 01 February 2011

> News

 +----------------------------------------------
 | Title : 45 million hits
 | Date  : 01 Feb 08:02 AM
 | Author: Daryl Herzmann
 | URL   : http://mesonet.agron.iastate.edu/usage/
 +----------------------------------------------

<p>The IEM web farm did just over 45 million hits on Monday
establishing a new milestone for the site.  Thankfully, the farm was
able to keep up with the load, although I have not really discovered
why it failed under load last Friday.  Today will be another challenge
to keep up with, but will try :)

<p><pre>
17 Jun 2001:    1rst hit
25 Jun 2001:      1,000+
19 Sep 2001:     10,000+
19 Mar 2004:    100,000+
25 May 2005:    200,000+
30 May 2006:    500,000+
29 Nov 2006:  1,000,000+
24 Feb 2007:  2,000,000+
17 Oct 2007:  3,000,000+
 5 Feb 2008:  4,000,000+
27 May 2008:  5,000,000+
 5 Jun 2008:  8,000,000+
15 Jul 2009: 10,000,000+
 7 Jan 2010: 15,000,000+
29 Jan 2010: 16,000,000+
 9 Feb 2010: 18,000,000+
23 Apr 2010: 19,000,000+
24 Apr 2010: 22,000,000+
14 May 2010: 23,000,000+
23 Jun 2010: 28,000,000+
23 Jul 2010: 31,000,000+
26 Oct 2010: 34,000,000+
 9 Jan 2011: 39,000,000+
31 Jan 2011: 45,000,000+
</pre>

> Daily Feature

 +----------------------------------------------
http://mesonet.agron.iastate.edu/onsite/features/cat.php?day=2011-01-31
 | Title : Big snowfall coming?
 | Date  : 31 Jan 05:51 AM
 | Votes : Good: 34   Bad: 8
 +----------------------------------------------

A much talked about winter storm system is gathering strength over the
western US this Monday morning and is expected to bring very heavy
snowfall amounts to parts of the central and eastern US.  The featured
map is a model forecast of precipitation up until Wednesday evening. 
These numbers are rather large when one considers that most of it will
fall in the frozen variety and with winds expected to be gusty,
blizzard conditions are expected over areas to our east and south. 
Putting a 10-to-1 ratio on these numbers, snowfall totals over a foot
in southern Iowa would be possible.

> NWS Watch/Warning Summary for 31 Jan 2011

             Summary +_________ By WFO ____________+  Watches 
Type         US   IA | ARX   DVN   DMX   OAX   FSD |  US 
Tornado       0    0 |   0     0     0     0     0 |   0
Svr Tstorm    1    0 |   0     0     0     0     0 |   0
Fl Flood      0    0 |   0     0     0     0     0 | N/A

ARX = LaCrosse, WI  DVN = Davenport, IA    DMX = Des Moines, IA 
OAX = Omaha, NE     FSD = Sioux Falls, SD

> IEM Cow Report
SVR+TOR Warnings Issued: 4 Verified: 0  [0.0 %]
Reduction of Size Versus County Based     [70.8 %]
Average Perimeter Ratio                   [32.3 %]
Percentage of Warned Area Verified (15km) [0.0 %]
Average Storm Based Warning Size          [1238 sq km]
Probability of Detection(higher is better)[0.00]
False Alarm Ratio (lower is better)       [1.00]
Critical Success Index (higher is better) [0.00]

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From akrherz at iastate.edu  Wed Feb  2 11:00:07 2011
From: akrherz at iastate.edu (daryl herzmann)
Date: Wed, 2 Feb 2011 11:00:07 -0600
Subject: IEM Daily Bulletin
Message-ID: <201102021700.p12H07Tc026975@despam-10.iastate.edu>


Iowa Environmental Mesonet Daily Bulletin for 02 February 2011

> News

 +----------------------------------------------
 | Title : 64 million hits
 | Date  : 02 Feb 04:35 AM
 | Author: Daryl Herzmann
 | URL   : http://mesonet.agron.iastate.edu/usage/
 +----------------------------------------------

<p>The IEM web farm did over 64 million hits on Monday (1 Feb)
destroying the previous milestone set the day before!  The epic winter
storm was definitely to blame.  The web farm was able to keep up with
the load, but pages were sometimes sluggish to load. I'd be happy if
we do not break this milestone for a couple of years1

<p><pre>
17 Jun 2001:    1rst hit
25 Jun 2001:      1,000+
19 Sep 2001:     10,000+
19 Mar 2004:    100,000+
25 May 2005:    200,000+
30 May 2006:    500,000+
29 Nov 2006:  1,000,000+
24 Feb 2007:  2,000,000+
17 Oct 2007:  3,000,000+
 5 Feb 2008:  4,000,000+
27 May 2008:  5,000,000+
 5 Jun 2008:  8,000,000+
15 Jul 2009: 10,000,000+
 7 Jan 2010: 15,000,000+
29 Jan 2010: 16,000,000+
 9 Feb 2010: 18,000,000+
23 Apr 2010: 19,000,000+
24 Apr 2010: 22,000,000+
14 May 2010: 23,000,000+
23 Jun 2010: 28,000,000+
23 Jul 2010: 31,000,000+
26 Oct 2010: 34,000,000+
 9 Jan 2011: 39,000,000+
31 Jan 2011: 45,000,000+
 1 Feb 2011: 64,000,000+
</pre>

> Daily Feature

 +----------------------------------------------
http://mesonet.agron.iastate.edu/onsite/features/cat.php?day=2011-02-01
 | Title : From nothing to a foot or more
 | Date  : 01 Feb 05:57 AM
 | Votes : Good: 44   Bad: 4
 +----------------------------------------------

The featured chart shows the time evolution of the GFS weather model
forecast for precipitation for Burlington.  The model runs made last
week for today had no precipitation for Burlington, but the last three
days worth of runs have advertised a significant snowfall event with
totals over a foot expected.  This is a part of one of the most hyped
winter storms over the plains in recent memories.  Blizzard warnings
are posted for this afternoon as winds will be picking up and blowing
whatever does fall around creating a huge mess.  Iowa should miss out
on the major ice accumulations expected to fall over Missouri and
Illinois. 

> NWS Watch/Warning Summary for 01 Feb 2011

             Summary +_________ By WFO ____________+  Watches 
Type         US   IA | ARX   DVN   DMX   OAX   FSD |  US 
Tornado       2    0 |   0     0     0     0     0 |   3
Svr Tstorm   46    0 |   0     0     0     0     0 |   0
Fl Flood      0    0 |   0     0     0     0     0 | N/A

ARX = LaCrosse, WI  DVN = Davenport, IA    DMX = Des Moines, IA 
OAX = Omaha, NE     FSD = Sioux Falls, SD

> IEM Cow Report
SVR+TOR Warnings Issued: 45 Verified: 0  [0.0 %]
Reduction of Size Versus County Based     [49.9 %]
Average Perimeter Ratio                   [35.9 %]
Percentage of Warned Area Verified (15km) [0.0 %]
Average Storm Based Warning Size          [4380 sq km]
Probability of Detection(higher is better)[0.00]
False Alarm Ratio (lower is better)       [1.00]
Critical Success Index (higher is better) [0.00]

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From akrherz at iastate.edu  Thu Feb  3 11:00:03 2011
From: akrherz at iastate.edu (daryl herzmann)
Date: Thu, 3 Feb 2011 11:00:03 -0600
Subject: IEM Daily Bulletin
Message-ID: <201102031700.p13H035p005714@despam-10.iastate.edu>


Iowa Environmental Mesonet Daily Bulletin for 03 February 2011

> News

    No news is good news

> Daily Feature

 +----------------------------------------------
http://mesonet.agron.iastate.edu/onsite/features/cat.php?day=2011-02-02
 | Title : Snow Storm #11
 | Date  : 02 Feb 04:25 AM
 | Votes : Good: 30   Bad: 5
 +----------------------------------------------

The featured map presents snowfall totals from the first of two storms
to hit the state over the past three days.  The heaviest totals were
over north-eastern Iowa.  It was not long after this storm that our
current blizzard maker began to bear down on Iowa.  Travel is not
advised over much of the state this morning and wind chills are
running way below zero.  As bad as things are in Iowa, we are missing
the worst of the storm!

> NWS Watch/Warning Summary for 02 Feb 2011

             Summary +_________ By WFO ____________+  Watches 
Type         US   IA | ARX   DVN   DMX   OAX   FSD |  US 
Tornado       0    0 |   0     0     0     0     0 |   0
Svr Tstorm    3    0 |   0     0     0     0     0 |   0
Fl Flood      0    0 |   0     0     0     0     0 | N/A

ARX = LaCrosse, WI  DVN = Davenport, IA    DMX = Des Moines, IA 
OAX = Omaha, NE     FSD = Sioux Falls, SD

> IEM Cow Report
SVR+TOR Warnings Issued: 4 Verified: 0  [0.0 %]
Reduction of Size Versus County Based     [41.0 %]
Average Perimeter Ratio                   [31.4 %]
Percentage of Warned Area Verified (15km) [0.0 %]
Average Storm Based Warning Size          [3559 sq km]
Probability of Detection(higher is better)[0.00]
False Alarm Ratio (lower is better)       [1.00]
Critical Success Index (higher is better) [0.00]

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From akrherz at iastate.edu  Fri Feb  4 11:00:04 2011
From: akrherz at iastate.edu (daryl herzmann)
Date: Fri, 4 Feb 2011 11:00:04 -0600
Subject: IEM Daily Bulletin
Message-ID: <201102041700.p14H04Pv006432@despam-12.iastate.edu>


Iowa Environmental Mesonet Daily Bulletin for 04 February 2011

> News

    No news is good news

> Daily Feature

 +----------------------------------------------
http://mesonet.agron.iastate.edu/onsite/features/cat.php?day=2011-02-03
 | Title : Snow Storm #12
 | Date  : 03 Feb 05:50 AM
 | Votes : Good: 26   Bad: 5
 +----------------------------------------------

The featured map presents an IEM produced analysis of snowfall reports
from the epic blizzard.  Snow totals over a foot stretched from
Oklahoma to Chicago to the east coast.  The heaviest totals in Iowa
were around 18 inches.  The presented map does have one caveat that
some of the snowfall from the first storm over the weekend was
included in the snowfall reports used to make this map.  The departure
of the storm has left us bitterly cold air and wind chills well below
zero.

> NWS Watch/Warning Summary for 03 Feb 2011

             Summary +_________ By WFO ____________+  Watches 
Type         US   IA | ARX   DVN   DMX   OAX   FSD |  US 
Tornado       0    0 |   0     0     0     0     0 |   0
Svr Tstorm    0    0 |   0     0     0     0     0 |   0
Fl Flood      1    0 |   0     0     0     0     0 | N/A

ARX = LaCrosse, WI  DVN = Davenport, IA    DMX = Des Moines, IA 
OAX = Omaha, NE     FSD = Sioux Falls, SD

> IEM Cow Report
SVR+TOR Warnings Issued: 3 Verified: 0  [0.0 %]
Reduction of Size Versus County Based     [73.9 %]
Average Perimeter Ratio                   [36.9 %]
Percentage of Warned Area Verified (15km) [0.0 %]
Average Storm Based Warning Size          [985 sq km]
Probability of Detection(higher is better)[0.00]
False Alarm Ratio (lower is better)       [1.00]
Critical Success Index (higher is better) [0.00]

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From akrherz at iastate.edu  Sat Feb  5 11:00:09 2011
From: akrherz at iastate.edu (daryl herzmann)
Date: Sat, 5 Feb 2011 11:00:09 -0600
Subject: IEM Daily Bulletin
Message-ID: <201102051700.p15H09P9024031@despam-12.iastate.edu>


Iowa Environmental Mesonet Daily Bulletin for 05 February 2011

> News

 +----------------------------------------------
 | Title : Jan ASOS Data Uploaded
 | Date  : 04 Feb 01:16 PM
 | Author: Daryl Herzmann
 | URL   : http://mesonet.agron.iastate.edu/request/asos/1min.phtml
 +----------------------------------------------

<p>One minute interval data for Iowa ASOS sites during January 2011
has been uploaded to the IEM data coffers.  Data for Sioux Falls,
Omaha, and Moline is available as well.

> Daily Feature

 +----------------------------------------------
http://mesonet.agron.iastate.edu/onsite/features/cat.php?day=2011-02-04
 | Title : Plenty of cold for all
 | Date  : 04 Feb 05:52 AM
 | Votes : Good: 28   Bad: 5
 +----------------------------------------------

The featured map presents an IEM analysis of the lowest wind chill
temperature reported so far this month.  In the wake of our most
recent blizzard storm system, very cold air has frequented a good
portion of the country pushing wind chill values below zero for places
like Texas.  Some of the coldest wind chills ever recorded were
present for some locations in Oklahoma and Kansas.  Values below -50 F
were observed as well.  The good news is that our immediate future has
a slight warm up with temperatures close to freezing! 

> NWS Watch/Warning Summary for 04 Feb 2011

             Summary +_________ By WFO ____________+  Watches 
Type         US   IA | ARX   DVN   DMX   OAX   FSD |  US 
Tornado       0    0 |   0     0     0     0     0 |   0
Svr Tstorm    0    0 |   0     0     0     0     0 |   0
Fl Flood      0    0 |   0     0     0     0     0 | N/A

ARX = LaCrosse, WI  DVN = Davenport, IA    DMX = Des Moines, IA 
OAX = Omaha, NE     FSD = Sioux Falls, SD

> IEM Cow Report
No Warnings Issued

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From akrherz at iastate.edu  Sun Feb  6 11:00:03 2011
From: akrherz at iastate.edu (daryl herzmann)
Date: Sun, 6 Feb 2011 11:00:03 -0600
Subject: IEM Daily Bulletin
Message-ID: <201102061700.p16H03HZ019455@despam-10.iastate.edu>


Iowa Environmental Mesonet Daily Bulletin for 06 February 2011

> News

    No news is good news

> Daily Feature

 +----------------------------------------------
http://mesonet.agron.iastate.edu/onsite/features/cat.php?day=2011-02-05
 | Title : Daily High & Low Correlation
 | Date  : 05 Feb 05:46 AM
 | Votes : Good: 14   Bad: 4
 +----------------------------------------------

The featured chart presents the daily computed correlation between the
high and low temperature.  Higher values imply a closer relationship
between changes in highs and lows.  For example, a cold low
temperature would typically imply a cold high temperature for that
day.  There is a clear annual signal shown, but the question is what
causes it... One reason may be that the increase in moisture and
warming soil temperatures cause overnight lows to moderate and not
vary as much. Another potential explanation is that air masses
dominate in the winter season and perhaps that causes highs and lows
to be more regular.  What do you think? Feel free to comment on this
via facebook!

> NWS Watch/Warning Summary for 05 Feb 2011

             Summary +_________ By WFO ____________+  Watches 
Type         US   IA | ARX   DVN   DMX   OAX   FSD |  US 
Tornado       0    0 |   0     0     0     0     0 |   0
Svr Tstorm    0    0 |   0     0     0     0     0 |   0
Fl Flood      0    0 |   0     0     0     0     0 | N/A

ARX = LaCrosse, WI  DVN = Davenport, IA    DMX = Des Moines, IA 
OAX = Omaha, NE     FSD = Sioux Falls, SD

> IEM Cow Report
No Warnings Issued

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From akrherz at iastate.edu  Mon Feb  7 11:00:05 2011
From: akrherz at iastate.edu (daryl herzmann)
Date: Mon, 7 Feb 2011 11:00:05 -0600
Subject: IEM Daily Bulletin
Message-ID: <201102071700.p17H05Rf020142@despam-12.iastate.edu>


Iowa Environmental Mesonet Daily Bulletin for 07 February 2011

> News

 +----------------------------------------------
 | Title : Jan AWOS Data Uploaded
 | Date  : 07 Feb 09:19 AM
 | Author: Daryl Herzmann
 | URL   : http://mesonet.agron.iastate.edu/request/awos/1min.php
 +----------------------------------------------

<p>The one minute interval Iowa AWOS data for January has been
uploaded to the IEM.  This information is kindly provided to us
monthly by the Iowa DOT.

> Daily Feature

 +----------------------------------------------
http://mesonet.agron.iastate.edu/onsite/features/cat.php?day=2011-02-06
 | Title : Snow Storm #13
 | Date  : 06 Feb 07:37 PM
 | Votes : Good: 12   Bad: 6
 +----------------------------------------------

Well, it was not much of a snow storm, but did bring upwards of 3-4
inches in extreme eastern Iowa.  Temperatures were not too far from
freezing and some sunshine helped to keep most roads clear.  Things
are about to change with a reinforcing shot of cold air set to arrive
mid-week and high temperatures struggling to exceed 0 ??F!

> NWS Watch/Warning Summary for 06 Feb 2011

             Summary +_________ By WFO ____________+  Watches 
Type         US   IA | ARX   DVN   DMX   OAX   FSD |  US 
Tornado       0    0 |   0     0     0     0     0 |   0
Svr Tstorm    2    0 |   0     0     0     0     0 |   0
Fl Flood      0    0 |   0     0     0     0     0 | N/A

ARX = LaCrosse, WI  DVN = Davenport, IA    DMX = Des Moines, IA 
OAX = Omaha, NE     FSD = Sioux Falls, SD

> IEM Cow Report
No Warnings Issued

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From akrherz at iastate.edu  Tue Feb  8 11:00:04 2011
From: akrherz at iastate.edu (daryl herzmann)
Date: Tue, 8 Feb 2011 11:00:04 -0600
Subject: IEM Daily Bulletin
Message-ID: <201102081700.p18H04U3004557@despam-12.iastate.edu>


Iowa Environmental Mesonet Daily Bulletin for 08 February 2011

> News

    No news is good news

> Daily Feature

    No feature posted

> NWS Watch/Warning Summary for 07 Feb 2011

             Summary +_________ By WFO ____________+  Watches 
Type         US   IA | ARX   DVN   DMX   OAX   FSD |  US 
Tornado       2    0 |   0     0     0     0     0 |   0
Svr Tstorm    0    0 |   0     0     0     0     0 |   0
Fl Flood      0    0 |   0     0     0     0     0 | N/A

ARX = LaCrosse, WI  DVN = Davenport, IA    DMX = Des Moines, IA 
OAX = Omaha, NE     FSD = Sioux Falls, SD

> IEM Cow Report
SVR+TOR Warnings Issued: 4 Verified: 0  [0.0 %]
Reduction of Size Versus County Based     [73.5 %]
Average Perimeter Ratio                   [37.6 %]
Percentage of Warned Area Verified (15km) [0.0 %]
Average Storm Based Warning Size          [1304 sq km]
Probability of Detection(higher is better)[0.00]
False Alarm Ratio (lower is better)       [1.00]
Critical Success Index (higher is better) [0.00]

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From akrherz at iastate.edu  Wed Feb  9 11:00:05 2011
From: akrherz at iastate.edu (daryl herzmann)
Date: Wed, 9 Feb 2011 11:00:05 -0600
Subject: IEM Daily Bulletin
Message-ID: <201102091700.p19H05W6031922@despam-10.iastate.edu>


Iowa Environmental Mesonet Daily Bulletin for 09 February 2011

> News

    No news is good news

> Daily Feature

 +----------------------------------------------
http://mesonet.agron.iastate.edu/onsite/features/cat.php?day=2011-02-08
 | Title : Going the wrong way
 | Date  : 08 Feb 05:52 AM
 | Votes : Good: 27   Bad: 5
 +----------------------------------------------

The featured chart presents the daily temperature trace for 7 February
for the past 10 years.  The black line is this year and you can see
that temperatures took a dive yesterday finishing the day well below
zero.  The goal today will be to warm above zero and it will be a
challenge.  There is light at the end of the tunnel with much warmer
weather expected later this week!

> NWS Watch/Warning Summary for 08 Feb 2011

             Summary +_________ By WFO ____________+  Watches 
Type         US   IA | ARX   DVN   DMX   OAX   FSD |  US 
Tornado       0    0 |   0     0     0     0     0 |   0
Svr Tstorm    0    0 |   0     0     0     0     0 |   0
Fl Flood      0    0 |   0     0     0     0     0 | N/A

ARX = LaCrosse, WI  DVN = Davenport, IA    DMX = Des Moines, IA 
OAX = Omaha, NE     FSD = Sioux Falls, SD

> IEM Cow Report
No Warnings Issued

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From akrherz at iastate.edu  Thu Feb 10 11:00:18 2011
From: akrherz at iastate.edu (daryl herzmann)
Date: Thu, 10 Feb 2011 11:00:18 -0600
Subject: IEM Daily Bulletin
Message-ID: <201102101700.p1AH0Ioh017036@despam-11.iastate.edu>


Iowa Environmental Mesonet Daily Bulletin for 10 February 2011

> News

    No news is good news

> Daily Feature

 +----------------------------------------------
http://mesonet.agron.iastate.edu/onsite/features/cat.php?day=2011-02-09
 | Title : All about pressure
 | Date  : 09 Feb 03:33 AM
 | Votes : Good: 22   Bad: 6
 +----------------------------------------------

Very cold air has settled into the state thanks to a robust area of
high pressure.  The altimeter reading (a measure of pressure)
yesterday morning was a few hundredths of an inch below the highest
value reported so far this year.  The featured chart presents the
yearly events of when the highest and lowest altimeter readings were
observed.  The first chart compares the air temperature against the
day of the year for the observation.  The highest pressure events are
associated with colder temperatures than low pressure events as
confirmed by the second chart.  Low pressure events tend to be with
dynamic storm systems (upward motion) that are windier than high
pressure events (downward motion).  The last chart shows the time of
day that each event type occurs.  High pressure events mostly occur
during the morning hours when the atmosphere is still cooling, while
low pressure events happen about any time of day.

> NWS Watch/Warning Summary for 09 Feb 2011

             Summary +_________ By WFO ____________+  Watches 
Type         US   IA | ARX   DVN   DMX   OAX   FSD |  US 
Tornado       0    0 |   0     0     0     0     0 |   0
Svr Tstorm    0    0 |   0     0     0     0     0 |   0
Fl Flood      0    0 |   0     0     0     0     0 | N/A

ARX = LaCrosse, WI  DVN = Davenport, IA    DMX = Des Moines, IA 
OAX = Omaha, NE     FSD = Sioux Falls, SD

> IEM Cow Report
No Warnings Issued

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From akrherz at iastate.edu  Fri Feb 11 11:00:03 2011
From: akrherz at iastate.edu (daryl herzmann)
Date: Fri, 11 Feb 2011 11:00:03 -0600
Subject: IEM Daily Bulletin
Message-ID: <201102111700.p1BH03Rm014013@despam-11.iastate.edu>


Iowa Environmental Mesonet Daily Bulletin for 11 February 2011

> News

    No news is good news

> Daily Feature

 +----------------------------------------------
http://mesonet.agron.iastate.edu/onsite/features/cat.php?day=2011-02-10
 | Title : Hope for last time of seeing this
 | Date  : 10 Feb 07:09 AM
 | Votes : Good: 21   Bad: 4
 +----------------------------------------------

Low temperatures this morning are very cold over much of the
midwestern US.  The map presents an IEM analysis of low temperatures
so far this morning.  One of the more interesting spots on this map is
Oklahoma, which may have broken its coldest low temperature on record
this morning, but just to its north, temperatures are warmer!  The
good news is that perhaps this is he last we will see of the bitter
cold this winter (one can hope) and much warmer air is expected next
week with highs above freezing.

> NWS Watch/Warning Summary for 10 Feb 2011

             Summary +_________ By WFO ____________+  Watches 
Type         US   IA | ARX   DVN   DMX   OAX   FSD |  US 
Tornado       0    0 |   0     0     0     0     0 |   0
Svr Tstorm    0    0 |   0     0     0     0     0 |   0
Fl Flood      0    0 |   0     0     0     0     0 | N/A

ARX = LaCrosse, WI  DVN = Davenport, IA    DMX = Des Moines, IA 
OAX = Omaha, NE     FSD = Sioux Falls, SD

> IEM Cow Report
No Warnings Issued

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From akrherz at iastate.edu  Sat Feb 12 11:00:07 2011
From: akrherz at iastate.edu (daryl herzmann)
Date: Sat, 12 Feb 2011 11:00:07 -0600
Subject: IEM Daily Bulletin
Message-ID: <201102121700.p1CH07XC005979@despam-10.iastate.edu>


Iowa Environmental Mesonet Daily Bulletin for 12 February 2011

> News

    No news is good news

> Daily Feature

 +----------------------------------------------
http://mesonet.agron.iastate.edu/onsite/features/cat.php?day=2011-02-11
 | Title : High temperature streaks
 | Date  : 11 Feb 05:53 AM
 | Votes : Good: 14   Bad: 11
 +----------------------------------------------

The forecast holds a great deal of optimism for a streak of at least a
week of above freezing daily high temperatures this would follow a
period of 12 days with highs at or below (AOB) freezing.  The featured
chart looks at the longest streaks of having daily highs AOB freezing
and then having them above freezing.  There are two dots presented for
each year denoting the longest streak on each side of the regime
change.  One of the interesting outliers in this plot is what happened
last spring.  After a period of 37 days below freezing, temperatures
warmed on 2 March and we had 265 straight days of high temperatures
above freezing.  So the longest streak of 37 days was followed by a
streak of 265 days.  The crosses represent the longest second part of
the streak and what the streak was below freezing before that streak.
 Kind of confusing, so please comment if this does not make any sense!

> NWS Watch/Warning Summary for 11 Feb 2011

             Summary +_________ By WFO ____________+  Watches 
Type         US   IA | ARX   DVN   DMX   OAX   FSD |  US 
Tornado       0    0 |   0     0     0     0     0 |   0
Svr Tstorm    0    0 |   0     0     0     0     0 |   0
Fl Flood      0    0 |   0     0     0     0     0 | N/A

ARX = LaCrosse, WI  DVN = Davenport, IA    DMX = Des Moines, IA 
OAX = Omaha, NE     FSD = Sioux Falls, SD

> IEM Cow Report
No Warnings Issued

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From akrherz at iastate.edu  Sun Feb 13 11:00:06 2011
From: akrherz at iastate.edu (daryl herzmann)
Date: Sun, 13 Feb 2011 11:00:06 -0600
Subject: IEM Daily Bulletin
Message-ID: <201102131700.p1DH06r7012589@despam-11.iastate.edu>


Iowa Environmental Mesonet Daily Bulletin for 13 February 2011

> News

 +----------------------------------------------
 | Title : Higher Res Composites
 | Date  : 12 Feb 04:59 PM
 | Author: Daryl Herzmann
 | URL   : http://mesonet.agron.iastate.edu/docs/nexrad_composites/
 +----------------------------------------------

<p>After a few months of testing, it is time to start migrating
various IEM applications to a higher resolution NEXRAD composite
source.  The NWS will soon complete a transition to higher resolution
NEXRAD products and the lower resolution products will be
discontinued.  Until that day, the IEM will generate products in both
resolutions, but will start moving various applications to this new
data source.  

<p>For example, here is a comparison between the old composite:

<br />
<img
src="http://mesonet.agron.iastate.edu/archive/data/2011/02/12/lotrad/n0r_20110212_2125.png"
/>

<p>and new one...

<br />
<img
src="http://mesonet.agron.iastate.edu/archive/data/2011/02/12/lotrad/n0r_20110212_2250.png"
/>

<p>One unfortunate side effect is that the file sizes are much larger,
but will just have to live with it!  The images are certainly much
prettier! 

> Daily Feature

    No feature posted

> NWS Watch/Warning Summary for 12 Feb 2011

             Summary +_________ By WFO ____________+  Watches 
Type         US   IA | ARX   DVN   DMX   OAX   FSD |  US 
Tornado       0    0 |   0     0     0     0     0 |   0
Svr Tstorm    0    0 |   0     0     0     0     0 |   0
Fl Flood      0    0 |   0     0     0     0     0 | N/A

ARX = LaCrosse, WI  DVN = Davenport, IA    DMX = Des Moines, IA 
OAX = Omaha, NE     FSD = Sioux Falls, SD

> IEM Cow Report
No Warnings Issued

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From akrherz at iastate.edu  Mon Feb 14 11:00:07 2011
From: akrherz at iastate.edu (daryl herzmann)
Date: Mon, 14 Feb 2011 11:00:07 -0600
Subject: IEM Daily Bulletin
Message-ID: <201102141700.p1EH07qx012751@despam-10.iastate.edu>


Iowa Environmental Mesonet Daily Bulletin for 14 February 2011

> News

    No news is good news

> Daily Feature

    No feature posted

> NWS Watch/Warning Summary for 13 Feb 2011

             Summary +_________ By WFO ____________+  Watches 
Type         US   IA | ARX   DVN   DMX   OAX   FSD |  US 
Tornado       0    0 |   0     0     0     0     0 |   0
Svr Tstorm    0    0 |   0     0     0     0     0 |   0
Fl Flood      0    0 |   0     0     0     0     0 | N/A

ARX = LaCrosse, WI  DVN = Davenport, IA    DMX = Des Moines, IA 
OAX = Omaha, NE     FSD = Sioux Falls, SD

> IEM Cow Report
No Warnings Issued

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From akrherz at iastate.edu  Tue Feb 15 11:00:12 2011
From: akrherz at iastate.edu (daryl herzmann)
Date: Tue, 15 Feb 2011 11:00:12 -0600
Subject: IEM Daily Bulletin
Message-ID: <201102151700.p1FH0CGx005155@despam-12.iastate.edu>


Iowa Environmental Mesonet Daily Bulletin for 15 February 2011

> News

    No news is good news

> Daily Feature

 +----------------------------------------------
http://mesonet.agron.iastate.edu/onsite/features/cat.php?day=2011-02-14
 | Title : About time for warmer air
 | Date  : 14 Feb 05:47 AM
 | Votes : Good: 30   Bad: 4
 +----------------------------------------------

Wow, after being stuck in winter for a period seeming like forever,
the warmer air this past weekend sure felt nice and makes spring feel
like it is not that far away.  The featured chart presents the
climatology of when the first occurrence of a temperature happens in
the new year.  The blue line can be thought of the earliest a given
temperature has been observed and the red line would be the latest we
have waited for a given temperature in a given year.  The green line
is the average date of the first observation.  So for mid February,
we'd expect to have seen at least one day in the lower 50s after 1
January.  The turquoise line shows the pain that occurred last year
when we had to wait until March to see a temperature above 40. 

> NWS Watch/Warning Summary for 14 Feb 2011

             Summary +_________ By WFO ____________+  Watches 
Type         US   IA | ARX   DVN   DMX   OAX   FSD |  US 
Tornado       0    0 |   0     0     0     0     0 |   0
Svr Tstorm    3    0 |   0     0     0     0     0 |   0
Fl Flood      1    0 |   0     0     0     0     0 | N/A

ARX = LaCrosse, WI  DVN = Davenport, IA    DMX = Des Moines, IA 
OAX = Omaha, NE     FSD = Sioux Falls, SD

> IEM Cow Report
SVR+TOR Warnings Issued: 2 Verified: 0  [0.0 %]
Reduction of Size Versus County Based     [72.3 %]
Average Perimeter Ratio                   [3.0 %]
Percentage of Warned Area Verified (15km) [0.0 %]
Average Storm Based Warning Size          [1447 sq km]
Probability of Detection(higher is better)[0.00]
False Alarm Ratio (lower is better)       [1.00]
Critical Success Index (higher is better) [0.00]

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From akrherz at iastate.edu  Wed Feb 16 11:00:11 2011
From: akrherz at iastate.edu (daryl herzmann)
Date: Wed, 16 Feb 2011 11:00:11 -0600
Subject: IEM Daily Bulletin
Message-ID: <201102161700.p1GH0Ban021972@despam-12.iastate.edu>


Iowa Environmental Mesonet Daily Bulletin for 16 February 2011

> News

    No news is good news

> Daily Feature

 +----------------------------------------------
http://mesonet.agron.iastate.edu/onsite/features/cat.php?day=2011-02-15
 | Title : Warmer March in store?
 | Date  : 15 Feb 05:55 AM
 | Votes : Good: 13   Bad: 6
 +----------------------------------------------

The past few days of much warmer weather has helped to eliminate much
of the snow that has stuck around for most of winter.  The featured
chart looks at the relationship between having snow on the ground of a
given day in February and then the average temperature that following
March.  The implication is clear, getting rid of the snow now leads to
a few more degrees warmer weather in March.  The chart also shows that
the coldest, on average, March temperatures are when there is snow at
the end of February and the warmest are when there is no snow at the
beginning of the month.

> NWS Watch/Warning Summary for 15 Feb 2011

             Summary +_________ By WFO ____________+  Watches 
Type         US   IA | ARX   DVN   DMX   OAX   FSD |  US 
Tornado       0    0 |   0     0     0     0     0 |   0
Svr Tstorm    0    0 |   0     0     0     0     0 |   0
Fl Flood      0    0 |   0     0     0     0     0 | N/A

ARX = LaCrosse, WI  DVN = Davenport, IA    DMX = Des Moines, IA 
OAX = Omaha, NE     FSD = Sioux Falls, SD

> IEM Cow Report
SVR+TOR Warnings Issued: 1 Verified: 0  [0.0 %]
Reduction of Size Versus County Based     [61.4 %]
Average Perimeter Ratio                   [4.1 %]
Percentage of Warned Area Verified (15km) [0.0 %]
Average Storm Based Warning Size          [1907 sq km]
Probability of Detection(higher is better)[0.00]
False Alarm Ratio (lower is better)       [1.00]
Critical Success Index (higher is better) [0.00]

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From akrherz at iastate.edu  Thu Feb 17 11:00:05 2011
From: akrherz at iastate.edu (daryl herzmann)
Date: Thu, 17 Feb 2011 11:00:05 -0600
Subject: IEM Daily Bulletin
Message-ID: <201102171700.p1HH05Cs005948@despam-12.iastate.edu>


Iowa Environmental Mesonet Daily Bulletin for 17 February 2011

> News

    No news is good news

> Daily Feature

 +----------------------------------------------
http://mesonet.agron.iastate.edu/onsite/features/cat.php?day=2011-02-16
 | Title : Finally some fog
 | Date  : 16 Feb 07:10 AM
 | Votes : Good: 19   Bad: 6
 +----------------------------------------------

Our recent stretch of warm weather and melting snow has remarkably
occurred without much fog.  That is until this morning.  The featured
chart shows the combination of air temperature, dew point, and
visibility since our warm-up began last Friday.  Even warmer air is
set to arrive on Thursday with highs expected in the 60s!

> NWS Watch/Warning Summary for 16 Feb 2011

             Summary +_________ By WFO ____________+  Watches 
Type         US   IA | ARX   DVN   DMX   OAX   FSD |  US 
Tornado       0    0 |   0     0     0     0     0 |   0
Svr Tstorm    1    0 |   0     0     0     0     0 |   0
Fl Flood      0    0 |   0     0     0     0     0 | N/A

ARX = LaCrosse, WI  DVN = Davenport, IA    DMX = Des Moines, IA 
OAX = Omaha, NE     FSD = Sioux Falls, SD

> IEM Cow Report
No Warnings Issued

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From akrherz at iastate.edu  Fri Feb 18 11:00:03 2011
From: akrherz at iastate.edu (daryl herzmann)
Date: Fri, 18 Feb 2011 11:00:03 -0600
Subject: IEM Daily Bulletin
Message-ID: <201102181700.p1IH03R9022666@despam-10.iastate.edu>


Iowa Environmental Mesonet Daily Bulletin for 18 February 2011

> News

 +----------------------------------------------
 | Title : sustainablecorn.org launches
 | Date  : 18 Feb 07:59 AM
 | Author: Daryl Herzmann
 | URL   : http://sustainablecorn.org
 +----------------------------------------------

<p>Quoted from a USDA press release this morning:

<br />
<blockquote>
<p>USDA???s National Institute of Food and Agriculture (NIFA) today
awarded three Coordinated Agriculture Projects (CAP) representing a
major scientific investment in studying the effects of climate change
on agriculture and forest production.

<p>Dr. Lois Wright Morton, of Iowa State University, will receive $20
million over five years to lead a team that will estimate the carbon,
nitrogen and water footprints of corn production in the Midwest;
producers in this region represent 64 percent of the nation???s grain
corn and 37 percent of the corn silage. The team will then evaluate
the impacts of various crop management practices when various climate
models are applied.  The Iowa State project, which includes
researchers from 11 institutions in nine states, will integrate
education and outreach components across all aspects of the project,
specifically focusing on a place-based education and outreach program
called ???I-FARM.???  This interactive tool will help the team analyze the
economic, agronomic and social acceptability of using various crop
management practices to adapt and mitigate to the effects of climate
change.
</blockquote>

<p>So what does this have to do with the IEM?  My role with this newly
announced project is to manage the data collected and to support the
modelling efforts sponsored by this funding.  There are a number of
synergies between the data being collected and those already collected
by the IEM, so this work will be complimentary and will improve IEM
provided datasets.  Among other things, we will be collecting high
quality greenhouse gas measurements from agricultural cropping systems
common in the Midwest.


 +----------------------------------------------
 | Title : May COOP Data Uploaded
 | Date  : 17 Feb 12:04 PM
 | Author: Daryl Herzmann
 | URL   : http://mesonet.agron.iastate.edu/climodat/
 +----------------------------------------------

<p>The quality controlled Iowa COOP data for May 2010 has been
uploaded to the IEM. These observations are kindly provided by Harry
Hillaker, our state climatologist, who passes along these notes on the
month:

<p><blockquote>
 May temperatures averaged 60.0 degrees or 0.2 degrees
below normal while precipitation totaled 4.28 inches or 0.05 inches above
normal.   This ranks as the 67th warmest and 56th wettest May among 138
years of state records.   Only three of the first 21 days of the month
averaged warmer than usual but a heat wave at the end of the month nearly
was enough to push the monthly average temperature to normal.   Very heavy
rain fell over southeast Iowa where Keosauqua recorded 11.49 inches while
parts of the northwest were unusually dry with only 1.24 inches at Battle
Creek for the month.

<br />Finally, for the first time since 1978, there were no confirmed
tornadoes
anywhere in Iowa before June 1.

</blockquote>

<p>
The following is the number of new daily records set at COOP sites
based on data back to 1951.

<p><pre>
                 ___2010 _________________2009______________
                 MAY  APR  MAR  FEB  JAN  DEC  NOV  OCT  SEP
Maximum High:     61   69    3    0    0    0    2    0    0
Minimum High:     45    6    0    6   97   24    0  396    1
Maximum Low:     112   42    7    0   18    3   74    2    0
Minimum Low:      13    1    0   38  131   41    0   35   21
Maximum Precip:   52   38   30   25  151  193   45  161   25
</pre>

<p>The following is some bulk statistics on how well IEM's daily COOP
data estimator is performing on a monthly basis versus this QC'd
dataset. No code changes were made.

<p><pre>
                 _____2010_________________________2009______
                 MAY   APR   MAR   FEB   JAN   DEC   NOV   OCT
High Temp Bias   1.1   0.5   1.9   1.4   1.3   0.8   0.9   0.8
High Temp RMSE   1.4   1.1   2.2   1.7   1.6   1.1   1.2   1.1
Low  Temp Bias   1.2   1.6   2.5   2.0   1.9   1.3   1.1   1.2
Low  Temp RMSE   1.6   2.0   2.7   2.4   2.1   1.7   1.6   1.6
Precip    Bias  -0.64 -0.18 -0.37 -0.61 -0.47 -1.41 -0.22 -1.10
Precip    RMSE   0.81  0.56  0.44  0.61  0.50  1.44  0.33  1.14
</pre>

<p>The Climodat reports referenced from this news item are summaries
of this daily data.

> Daily Feature

 +----------------------------------------------
http://mesonet.agron.iastate.edu/onsite/features/cat.php?day=2011-02-17
 | Title : Cold air will return
 | Date  : 17 Feb 05:53 AM
 | Votes : Good: 14   Bad: 8
 +----------------------------------------------

It probably sounds like a "Debbie Downer" to point out that the very
warm air today will eventually give way to much colder temperatures
before spring is over.  The featured chart presents the yearly
combination of warmest temperature prior to 17 February and then the
coldest temperature for the rest of spring after that day.  In all
cases, temperatures below 15 degrees have been observed with plenty of
values below zero!  Focusing back on the positives, warm and moist air
is streaming into the state this morning with highs expected to top
out in the 60s!

> NWS Watch/Warning Summary for 17 Feb 2011

             Summary +_________ By WFO ____________+  Watches 
Type         US   IA | ARX   DVN   DMX   OAX   FSD |  US 
Tornado       0    0 |   0     0     0     0     0 |   0
Svr Tstorm    0    0 |   0     0     0     0     0 |   0
Fl Flood      2    1 |   0     0     1     0     0 | N/A

ARX = LaCrosse, WI  DVN = Davenport, IA    DMX = Des Moines, IA 
OAX = Omaha, NE     FSD = Sioux Falls, SD

> IEM Cow Report
SVR+TOR Warnings Issued: 1 Verified: 0  [0.0 %]
Reduction of Size Versus County Based     [93.2 %]
Average Perimeter Ratio                   [21.8 %]
Percentage of Warned Area Verified (15km) [0.0 %]
Average Storm Based Warning Size          [1272 sq km]
Probability of Detection(higher is better)[0.00]
False Alarm Ratio (lower is better)       [1.00]
Critical Success Index (higher is better) [0.00]

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From akrherz at iastate.edu  Sat Feb 19 11:00:04 2011
From: akrherz at iastate.edu (daryl herzmann)
Date: Sat, 19 Feb 2011 11:00:04 -0600
Subject: IEM Daily Bulletin
Message-ID: <201102191700.p1JH04hw018251@despam-10.iastate.edu>


Iowa Environmental Mesonet Daily Bulletin for 19 February 2011

> News

    No news is good news

> Daily Feature

 +----------------------------------------------
http://mesonet.agron.iastate.edu/onsite/features/cat.php?day=2011-02-18
 | Title : 50+ dew point in February!
 | Date  : 18 Feb 05:55 AM
 | Votes : Good: 14   Bad: 3
 +----------------------------------------------

Temperatures soared on Thursday thanks to a very strong push of warm
and moist air into the state.  The featured analysis presents the
maximum reported dew point for the day. A good portion of the state
was able to exceed 50 degrees, which is extremely uncommon for
February!  Des Moines reported a maximum dew point of 53 degrees and
there have been only 4 other days in February since 1948 with such a
high dew point (10-11 Feb 1999, 27 Feb 1981, and 8 Feb 1966). 
Temperatures will be much cooler today, but still above average.

> NWS Watch/Warning Summary for 18 Feb 2011

             Summary +_________ By WFO ____________+  Watches 
Type         US   IA | ARX   DVN   DMX   OAX   FSD |  US 
Tornado       0    0 |   0     0     0     0     0 |   0
Svr Tstorm    0    0 |   0     0     0     0     0 |   0
Fl Flood      1    0 |   0     0     0     0     0 | N/A

ARX = LaCrosse, WI  DVN = Davenport, IA    DMX = Des Moines, IA 
OAX = Omaha, NE     FSD = Sioux Falls, SD

> IEM Cow Report
No Warnings Issued

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From akrherz at iastate.edu  Sun Feb 20 11:00:08 2011
From: akrherz at iastate.edu (daryl herzmann)
Date: Sun, 20 Feb 2011 11:00:08 -0600
Subject: IEM Daily Bulletin
Message-ID: <201102201700.p1KH08BG009715@despam-10.iastate.edu>


Iowa Environmental Mesonet Daily Bulletin for 20 February 2011

> News

    No news is good news

> Daily Feature

    No feature posted

> NWS Watch/Warning Summary for 19 Feb 2011

             Summary +_________ By WFO ____________+  Watches 
Type         US   IA | ARX   DVN   DMX   OAX   FSD |  US 
Tornado       1    0 |   0     0     0     0     0 |   0
Svr Tstorm    1    0 |   0     0     0     0     0 |   0
Fl Flood      1    1 |   0     0     1     0     0 | N/A

ARX = LaCrosse, WI  DVN = Davenport, IA    DMX = Des Moines, IA 
OAX = Omaha, NE     FSD = Sioux Falls, SD

> IEM Cow Report
SVR+TOR Warnings Issued: 1 Verified: 0  [0.0 %]
Reduction of Size Versus County Based     [83.4 %]
Average Perimeter Ratio                   [0.0 %]
Percentage of Warned Area Verified (15km) [0.0 %]
Average Storm Based Warning Size          [2620 sq km]
Probability of Detection(higher is better)[0.00]
False Alarm Ratio (lower is better)       [1.00]
Critical Success Index (higher is better) [0.00]

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From akrherz at iastate.edu  Mon Feb 21 11:00:15 2011
From: akrherz at iastate.edu (daryl herzmann)
Date: Mon, 21 Feb 2011 11:00:15 -0600
Subject: IEM Daily Bulletin
Message-ID: <201102211700.p1LH0FuB031573@despam-12.iastate.edu>


Iowa Environmental Mesonet Daily Bulletin for 21 February 2011

> News

    No news is good news

> Daily Feature

 +----------------------------------------------
http://mesonet.agron.iastate.edu/onsite/features/cat.php?day=2011-02-20
 | Title : 36 degrees of difference
 | Date  : 20 Feb 07:43 PM
 | Votes : Good: 11   Bad: 3
 +----------------------------------------------

A spring like storm system crossed the state on Sunday bringing
thunderstorms early Sunday morning and then again Sunday evening. 
Southern Iowa warmed nicely into the upper 50s and 60s, while northern
Iowa was stuck with near freezing temperatures and freezing rain.  The
heavy snowfall will barely clip the state with the highest totals
north of us.  

> NWS Watch/Warning Summary for 20 Feb 2011

             Summary +_________ By WFO ____________+  Watches 
Type         US   IA | ARX   DVN   DMX   OAX   FSD |  US 
Tornado       0    0 |   0     0     0     0     0 |   0
Svr Tstorm    0    0 |   0     0     0     0     0 |   0
Fl Flood      2    1 |   0     0     1     0     0 | N/A

ARX = LaCrosse, WI  DVN = Davenport, IA    DMX = Des Moines, IA 
OAX = Omaha, NE     FSD = Sioux Falls, SD

> IEM Cow Report
SVR+TOR Warnings Issued: 1 Verified: 0  [0.0 %]
Reduction of Size Versus County Based     [95.3 %]
Average Perimeter Ratio                   [0.0 %]
Percentage of Warned Area Verified (15km) [0.0 %]
Average Storm Based Warning Size          [558 sq km]
Probability of Detection(higher is better)[0.00]
False Alarm Ratio (lower is better)       [1.00]
Critical Success Index (higher is better) [0.00]

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From akrherz at iastate.edu  Tue Feb 22 11:00:07 2011
From: akrherz at iastate.edu (daryl herzmann)
Date: Tue, 22 Feb 2011 11:00:07 -0600
Subject: IEM Daily Bulletin
Message-ID: <201102221700.p1MH07wT032029@despam-12.iastate.edu>


Iowa Environmental Mesonet Daily Bulletin for 22 February 2011

> News

    No news is good news

> Daily Feature

 +----------------------------------------------
http://mesonet.agron.iastate.edu/onsite/features/cat.php?day=2011-02-21
 | Title : Biggest Changes
 | Date  : 21 Feb 09:38 PM
 | Votes : Good: 9   Bad: 1
 +----------------------------------------------

Recently, Bartlesville Oklahoma went from a low temperature of -28 F
on the 10th of February to a high temperature of 82 F on the 17th. 
This is a remarkable 110 degree change on the seventh day.  Can any
site in Iowa compete with this?  The featured chart presents an IEM
computation of historical climate data in Iowa and the largest value
is 106 degree change on the 9th day.  This happened during a
remarkable period in February 1930 for Webster City after a low
temperature of -34 was followed by highs in the 60s and then 72 on the
24th.  Please note that the number for the 0th day is simply the
difference between the high and low temperature (Tripoli 18 Jan 1996).

> NWS Watch/Warning Summary for 21 Feb 2011

             Summary +_________ By WFO ____________+  Watches 
Type         US   IA | ARX   DVN   DMX   OAX   FSD |  US 
Tornado       0    0 |   0     0     0     0     0 |   0
Svr Tstorm    0    0 |   0     0     0     0     0 |   0
Fl Flood      1    1 |   0     1     0     0     0 | N/A

ARX = LaCrosse, WI  DVN = Davenport, IA    DMX = Des Moines, IA 
OAX = Omaha, NE     FSD = Sioux Falls, SD

> IEM Cow Report
No Warnings Issued

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From akrherz at iastate.edu  Wed Feb 23 11:00:06 2011
From: akrherz at iastate.edu (daryl herzmann)
Date: Wed, 23 Feb 2011 11:00:06 -0600
Subject: IEM Daily Bulletin
Message-ID: <201102231700.p1NH06w5016448@despam-12.iastate.edu>


Iowa Environmental Mesonet Daily Bulletin for 23 February 2011

> News

    No news is good news

> Daily Feature

 +----------------------------------------------
http://mesonet.agron.iastate.edu/onsite/features/cat.php?day=2011-02-22
 | Title : Winter Storm #14
 | Date  : 22 Feb 10:30 PM
 | Votes : Good: 9   Bad: 3
 +----------------------------------------------

While Iowa missed out on the very heavy snowfall as shown by the
featured map over places to our north, northern Iowa was impacted by a
significant amount of icing and then some snow accumulation. 
Temperatures remained warm enough to the south for just rain and some
locations picked up over an inch of it.  Another storm system will
pass to our south over the next few days with severe weather expected
over the southern plains.  The impacts for Iowa remain less certain
with some models predicting snow and others rain.

> NWS Watch/Warning Summary for 22 Feb 2011

             Summary +_________ By WFO ____________+  Watches 
Type         US   IA | ARX   DVN   DMX   OAX   FSD |  US 
Tornado       0    0 |   0     0     0     0     0 |   0
Svr Tstorm    0    0 |   0     0     0     0     0 |   0
Fl Flood      0    0 |   0     0     0     0     0 | N/A

ARX = LaCrosse, WI  DVN = Davenport, IA    DMX = Des Moines, IA 
OAX = Omaha, NE     FSD = Sioux Falls, SD

> IEM Cow Report
No Warnings Issued

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From akrherz at iastate.edu  Thu Feb 24 11:00:05 2011
From: akrherz at iastate.edu (daryl herzmann)
Date: Thu, 24 Feb 2011 11:00:05 -0600
Subject: IEM Daily Bulletin
Message-ID: <201102241700.p1OH05ln011163@despam-10.iastate.edu>


Iowa Environmental Mesonet Daily Bulletin for 24 February 2011

> News

 +----------------------------------------------
 | Title : OGC Service Improvements
 | Date  : 24 Feb 09:11 AM
 | Author: Daryl Herzmann
 | URL   : http://mesonet.agron.iastate.edu/ogc/
 +----------------------------------------------

<p>Easily, the most popular web services the IEM provides are the
various <a href="http://www.opengeospatial.org/">Open Geospatial
Consortium</a> web services.  These provide NWS NEXRAD, Satellite, and
observation data in formats that many GIS systems understand. 

<p>Over the past few weeks, I have been making some small improvements
and would like to highlight some of the changes.

<p><ul>
<li>The documentation on the page now includes an OpenLayers TMS
example.  Since the TMS services are in spherical mercator, you have
to make a custom URL function for it to work.</li>

<li>The GOES Satellite imagery has been expanded to cover the entire
area of the files provided by <a
href="http://www.gis.ssd.nesdis.noaa.gov/">NESDIS</a>.  Previously, I
was only providing a subset over the CONUS.</li>

<li>The higher resolution (n0q) NEXRAD data is now available in all
the same ways the older (n0r) is.  Once the n0r product is
discontinued by the NWS (maybe mid April), I will alias all the n0r
products to n0q.</li>

<li>The IEM now supports https connections, which will be a big help
for those writing web applications on https sites.  This prevents
client web browsers from producing annonying messages about pages with
content coming from insecure sites.</li>

<li>Three new DNS aliases now point to the IEM.  These are:
<ol><li>mesonet1.agron.iastate.edu</li>
<li>mesonet2.agron.iastate.edu</li>
<li>mesonet3.agron.iastate.edu</li>
</ol>
<br />This helps those that use the IEM web services on data intensive
pages as the web browser can create more simultaneous connections to
the server at once.  Otherwise, some browsers limit to only 4
connections to one server at one time.</li>
</ul>

<p>As always, feedback is welcome.  These services are provided
without warranty and may be disabled at times if website traffic
becomes too great!


> Daily Feature

    No feature posted

> NWS Watch/Warning Summary for 23 Feb 2011

             Summary +_________ By WFO ____________+  Watches 
Type         US   IA | ARX   DVN   DMX   OAX   FSD |  US 
Tornado       0    0 |   0     0     0     0     0 |   0
Svr Tstorm    0    0 |   0     0     0     0     0 |   0
Fl Flood      2    0 |   0     0     0     0     0 | N/A

ARX = LaCrosse, WI  DVN = Davenport, IA    DMX = Des Moines, IA 
OAX = Omaha, NE     FSD = Sioux Falls, SD

> IEM Cow Report
No Warnings Issued

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From akrherz at iastate.edu  Fri Feb 25 11:00:13 2011
From: akrherz at iastate.edu (daryl herzmann)
Date: Fri, 25 Feb 2011 11:00:13 -0600
Subject: IEM Daily Bulletin
Message-ID: <201102251700.p1PH0DFX029752@despam-10.iastate.edu>


Iowa Environmental Mesonet Daily Bulletin for 25 February 2011

> News

    No news is good news

> Daily Feature

 +----------------------------------------------
http://mesonet.agron.iastate.edu/onsite/features/cat.php?day=2011-02-24
 | Title : First moderate risk of the year
 | Date  : 24 Feb 05:58 AM
 | Votes : Good: 18   Bad: 4
 +----------------------------------------------

The Storm Prediction Center has issued a moderate risk of severe
weather for today.  This is the first such issuance this year.  If the
IEM archive is correct, the first moderate risk last year was not
until the 22nd of April. Tornadoes and damaging winds are expected.

> NWS Watch/Warning Summary for 24 Feb 2011

             Summary +_________ By WFO ____________+  Watches 
Type         US   IA | ARX   DVN   DMX   OAX   FSD |  US 
Tornado      60    0 |   0     0     0     0     0 |   5
Svr Tstorm  107    0 |   0     0     0     0     0 |   2
Fl Flood     31    0 |   0     0     0     0     0 | N/A

ARX = LaCrosse, WI  DVN = Davenport, IA    DMX = Des Moines, IA 
OAX = Omaha, NE     FSD = Sioux Falls, SD

> IEM Cow Report
SVR+TOR Warnings Issued: 20 Verified: 0  [0.0 %]
Reduction of Size Versus County Based     [66.9 %]
Average Perimeter Ratio                   [31.0 %]
Percentage of Warned Area Verified (15km) [0.0 %]
Average Storm Based Warning Size          [2469 sq km]
Probability of Detection(higher is better)[0.00]
False Alarm Ratio (lower is better)       [1.00]
Critical Success Index (higher is better) [0.00]

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From akrherz at iastate.edu  Fri Feb 25 11:23:07 2011
From: akrherz at iastate.edu (daryl herzmann)
Date: Fri, 25 Feb 2011 11:23:07 -0600
Subject: IEM Daily Bulletin
Message-ID: <201102251723.p1PHN7nb001556@despam-12.iastate.edu>


Iowa Environmental Mesonet Daily Bulletin for 25 February 2011

> News

    No news is good news

> Daily Feature

 +----------------------------------------------
http://mesonet.agron.iastate.edu/onsite/features/cat.php?day=2011-02-24
 | Title : First moderate risk of the year
 | Date  : 24 Feb 05:58 AM
 | Votes : Good: 18   Bad: 4
 +----------------------------------------------

The Storm Prediction Center has issued a moderate risk of severe
weather for today.  This is the first such issuance this year.  If the
IEM archive is correct, the first moderate risk last year was not
until the 22nd of April. Tornadoes and damaging winds are expected.

> NWS Watch/Warning Summary for 24 Feb 2011

             Summary +_________ By WFO ____________+  Watches 
Type         US   IA | ARX   DVN   DMX   OAX   FSD |  US 
Tornado      60    0 |   0     0     0     0     0 |   5
Svr Tstorm  107    0 |   0     0     0     0     0 |   2
Fl Flood     31    0 |   0     0     0     0     0 | N/A

ARX = LaCrosse, WI  DVN = Davenport, IA    DMX = Des Moines, IA 
OAX = Omaha, NE     FSD = Sioux Falls, SD

> IEM Cow Report
SVR+TOR Warnings Issued: 153 Verified: 73  [47.7 %]
Reduction of Size Versus County Based     [53.2 %]
Average Perimeter Ratio                   [43.6 %]
Percentage of Warned Area Verified (15km) [19.9 %]
Average Storm Based Warning Size          [2882 sq km]
Probability of Detection(higher is better)[0.82]
False Alarm Ratio (lower is better)       [0.52]
Critical Success Index (higher is better) [0.43]

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From akrherz at iastate.edu  Sat Feb 26 11:00:06 2011
From: akrherz at iastate.edu (daryl herzmann)
Date: Sat, 26 Feb 2011 11:00:06 -0600
Subject: IEM Daily Bulletin
Message-ID: <201102261700.p1QH06Ja031706@despam-11.iastate.edu>


Iowa Environmental Mesonet Daily Bulletin for 26 February 2011

> News

 +----------------------------------------------
 | Title : server issues
 | Date  : 25 Feb 01:48 PM
 | Author: Daryl Herzmann
 | URL   : http://mesonet.agron.iastate.edu/
 +----------------------------------------------

I have a raid failure affecting various things.  Efforting fix :(<p><b>Update 3:30 PM:</b> I have got everything back going again and the data loss was minimal, but I can not get my RAID array redundant again.  Looks like more painful head bashing ahead...  All services should be normal now, so please let me know of any trouble.

> Daily Feature

 +----------------------------------------------
http://mesonet.agron.iastate.edu/onsite/features/cat.php?day=2011-02-25
 | Title : Winter Storm #15
 | Date  : 25 Feb 08:11 AM
 | Votes : Good: 11   Bad: 5
 +----------------------------------------------

An yet another winter storm is in the books for this very active
season.  The heaviest snowfall totals missed the state to our south
this time.  Even further south saw severe weather.  More chances of
snow are in the forecast with the most formidable chance arriving
Sunday night into Monday.

> NWS Watch/Warning Summary for 25 Feb 2011

             Summary +_________ By WFO ____________+  Watches 
Type         US   IA | ARX   DVN   DMX   OAX   FSD |  US 
Tornado       4    0 |   0     0     0     0     0 |   0
Svr Tstorm   37    0 |   0     0     0     0     0 |   1
Fl Flood      1    0 |   0     0     0     0     0 | N/A

ARX = LaCrosse, WI  DVN = Davenport, IA    DMX = Des Moines, IA 
OAX = Omaha, NE     FSD = Sioux Falls, SD

> IEM Cow Report
SVR+TOR Warnings Issued: 41 Verified: 30  [73.2 %]
Reduction of Size Versus County Based     [45.6 %]
Average Perimeter Ratio                   [47.2 %]
Percentage of Warned Area Verified (15km) [26.1 %]
Average Storm Based Warning Size          [2727 sq km]
Probability of Detection(higher is better)[0.79]
False Alarm Ratio (lower is better)       [0.27]
Critical Success Index (higher is better) [0.61]

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From akrherz at iastate.edu  Sun Feb 27 11:00:06 2011
From: akrherz at iastate.edu (daryl herzmann)
Date: Sun, 27 Feb 2011 11:00:06 -0600
Subject: IEM Daily Bulletin
Message-ID: <201102271700.p1RH06GC004730@despam-11.iastate.edu>


Iowa Environmental Mesonet Daily Bulletin for 27 February 2011

> News

    No news is good news

> Daily Feature

    No feature posted

> NWS Watch/Warning Summary for 26 Feb 2011

             Summary +_________ By WFO ____________+  Watches 
Type         US   IA | ARX   DVN   DMX   OAX   FSD |  US 
Tornado       0    0 |   0     0     0     0     0 |   0
Svr Tstorm    0    0 |   0     0     0     0     0 |   0
Fl Flood      0    0 |   0     0     0     0     0 | N/A

ARX = LaCrosse, WI  DVN = Davenport, IA    DMX = Des Moines, IA 
OAX = Omaha, NE     FSD = Sioux Falls, SD

> IEM Cow Report
No Warnings Issued

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From akrherz at iastate.edu  Mon Feb 28 11:00:13 2011
From: akrherz at iastate.edu (daryl herzmann)
Date: Mon, 28 Feb 2011 11:00:13 -0600
Subject: IEM Daily Bulletin
Message-ID: <201102281700.p1SH0D0s030536@despam-10.iastate.edu>


Iowa Environmental Mesonet Daily Bulletin for 28 February 2011

> News

    No news is good news

> Daily Feature

 +----------------------------------------------
http://mesonet.agron.iastate.edu/onsite/features/cat.php?day=2011-02-27
 | Title : Wild February
 | Date  : 27 Feb 07:34 PM
 | Votes : Good: 12   Bad: 0
 +----------------------------------------------

The month of February is ending on an eventful note with a powerful
storm system to our south bringing another taste of winter to southern
Iowa with freezing rain, sleet and eventually snow forecast. 
Temperatures have seen a remarkable swing from very cold to a
wonderfully warm week and back to cold weather to end the month.  The
featured chart presents the daily high temperature departure from
average for Ames.  March looks to start out like a lamb with warmer
weather expected.

> NWS Watch/Warning Summary for 27 Feb 2011

             Summary +_________ By WFO ____________+  Watches 
Type         US   IA | ARX   DVN   DMX   OAX   FSD |  US 
Tornado      25    0 |   0     0     0     0     0 |   6
Svr Tstorm   80    0 |   0     0     0     0     0 |   2
Fl Flood      1    0 |   0     0     0     0     0 | N/A

ARX = LaCrosse, WI  DVN = Davenport, IA    DMX = Des Moines, IA 
OAX = Omaha, NE     FSD = Sioux Falls, SD

> IEM Cow Report
SVR+TOR Warnings Issued: 99 Verified: 39  [39.4 %]
Reduction of Size Versus County Based     [62.7 %]
Average Perimeter Ratio                   [43.1 %]
Percentage of Warned Area Verified (15km) [23.1 %]
Average Storm Based Warning Size          [1718 sq km]
Probability of Detection(higher is better)[0.78]
False Alarm Ratio (lower is better)       [0.61]
Critical Success Index (higher is better) [0.35]

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