IEM Daily Bulletin

Iowa Mesonet mesonet at mesonet.agron.iastate.edu
Thu Apr 19 11:01:22 CDT 2007


Iowa Environmental Mesonet Daily Bulletin
Data valid for 18 April 2007

> News
    No news is good news

> Yesterday's Daily Feature

 +----------------------------------------------
http://mesonet.agron.iastate.edu/onsite/features/cat.php?day=2007-04-18
 | Title : What is normal for today?
 | Date  : 18 Apr 06:52 AM
 | Votes : Good: 17   Bad: 5
 +----------------------------------------------

Typically we are presented with the "average" temperature for a day which is just a straight arithmetic mean. For April 18th, the mean high temperature is somewhere in the low 60s.  The featured chart shows the distribution of high temperatures reported for this day in Iowa. The dashed line is a histogram and the solid line is a cumulative distribution function.  You can see that dashed curve is rather flat between temperatures of 55 and 75, which would indicate that temperatures are often in this range.  If you want to look more into this, check out <a href="http://ams.allenpress.com/perlserv/?request=get-abstract&doi=10.1175%2FBAMS-87-6-769">this paper</a>, <a href="http://blue.atmos.colostate.edu/publications/pdf/R-81.pdf">this paper</a>, and the <a href="http://mesonet.agron.iastate.edu/plotting/coop/spread_fe.phtml">plotting app for this chart.</a>

> NWS Watch/Warning Summary
*** Products issued on 18 Apr 2007

             Summary +_________ By WFO ____________+  Watches 
Type         US   IA | ARX   DVN   DMX   OAX   FSD |  US 
Tornado       0    0 |   0     0     0     0     0 |   0
Svr Tstorm    4    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


> Network Metrics

-----------------------------------------------------------------
 Iowa ASOS            Reporting Stations: 15  Obs Received: 366
-----------------------------------------------------------------
 High Air Temp[F]    :  69.98 [03:52 PM] SUX   SIOUX CITY
 High Dew Point[F]   :  42.98 [12:53 AM] LWD   LAMONI
 Low Dew Point[F]    :  26.06 [04:53 AM] BRL   BURLINGTON
 Peak Gust[knots]    :  24.00 [01:52 PM] DVN   QUAD CITIES
-----------------------------------------------------------------
 Iowa AWOS            Reporting Stations: 40  Obs Received: 7688
-----------------------------------------------------------------
 High Air Temp[F]    :  72.00 [04:25 PM] CBF   COUNCIL BLUFFS
                     :  72.00 [04:15 PM] SDA   SHENANDOAH MUNI
 Low Air Temp[F]     :  32.00 [05:55 AM] MXO   MONTICELLO MUNI
 High Dew Point[F]   :  51.00 [12:02 AM] SDA   SHENANDOAH MUNI
 Low Dew Point[F]    :  13.00 [05:34 PM] CAV   CLARION
 Peak Gust[knots]    :  27.00 [05:04 PM] OLZ   OELWEIN
 Max Rainfall [inch] :   0.03 [        ] EBS   WEBSTER CITY
-----------------------------------------------------------------
 Iowa RWIS            Reporting Stations: 56  Obs Received: 7556
-----------------------------------------------------------------
 High Air Temp[F]    :  73.40 [04:54 PM] RSCI4 Sioux City (I-29)
 Low Air Temp[F]     :  32.00 [11:18 PM] RDYI4 Eddyville
 High Dew Point[F]   :  49.60 [12:29 AM] RBFI4 Bedford
 Low Dew Point[F]    :  20.10 [05:48 PM] RMCI4 Mason City (I-35)
                     :  20.10 [05:33 PM] RAVI4 Avoca (I-80)
 Peak Gust[knots]    :  25.00 [03:20 PM] RDVI4 Davenport (I-80/I-280)
-----------------------------------------------------------------
 KCCI SchoolNet       Reporting Stations: 66  Obs Received: 92465
-----------------------------------------------------------------
 High Air Temp[F]    :  68.00 [05:04 PM] SWAI4 Wall Lake
 Low Air Temp[F]     :  35.00 [05:29 AM] SFDI4 Fort Dodge
                     :  35.00 [06:21 AM] SBKI4 Belmond
 High Dew Point[F]   :  67.00 [03:37 PM] SKCI4 KCCI Studios
                     :  67.00 [05:00 PM] SEGI4 Eagle Grove
 Low Dew Point[F]    :  15.00 [03:11 AM] SWAI4 Wall Lake
                     :  15.00 [07:46 AM] SLMI4 Latimer
                     :  15.00 [01:34 AM] SMAI4 Marshalltown
 Peak Gust[knots]    :  23.46 [01:26 PM] STQI4 Tama
-----------------------------------------------------------------
 KIMT SchoolNet       Reporting Stations: 22  Obs Received: 29365
-----------------------------------------------------------------
 High Air Temp[F]    :  68.00 [05:44 PM] SJAM5 Rochester (John Adams)
 Low Air Temp[F]     :  33.00 [05:32 AM] SWLM5 Rochester (Willow Creek)
                     :  33.00 [06:14 AM] SGMM5 Grand Meadow
 High Dew Point[F]   :  43.00 [08:43 AM] SGMM5 Grand Meadow
 Low Dew Point[F]    :  25.00 [01:08 PM] STMM5 West Concord
                     :  25.00 [03:47 PM] SNII4 Thompson
 Peak Gust[knots]    :  25.00 [01:10 PM] SGMM5 Grand Meadow
-----------------------------------------------------------------
 KELO WeatherNet      Reporting Stations: 44  Obs Received: 28114
-----------------------------------------------------------------
 High Air Temp[F]    :  73.00 [03:15 PM] KKAS2 Kadoka
                     :  73.00 [03:47 PM] MOBS2 Mobridge
                     :  73.00 [04:09 PM] SMSS2 Mission
 Low Air Temp[F]     :  31.00 [06:48 AM] SWTS2 Watertown
 High Dew Point[F]   :  67.00 [04:09 PM] SMSS2 Mission
 Low Dew Point[F]    : -27.00 [08:05 AM] SHII4 Hull
 Peak Gust[knots]    :  36.50 [11:56 AM] SRAS2 Rapid City
 Max Rainfall [inch] :   0.04 [        ] LDSS2 Lead _ Deadwood School
-----------------------------------------------------------------
 Iowa NWS COOP        Reporting Stations: 101  Obs Received: 536
-----------------------------------------------------------------
 High Air Temp[F]    :  75.00 [        ] BEDI4 BEDFORD
 Low Air Temp[F]     :  30.00 [        ] EKRI4 ELKADER 5 SSW
 Max Rainfall [inch] :   0.20 [        ] RADI4 RATHBUN DAM
-----------------------------------------------------------------
 Misc Stations        Reporting Stations: 5  Obs Received: 1949
-----------------------------------------------------------------
 High Air Temp[F]    :  56.00 [09:48 AM] RAWDES Desoto
 Low Air Temp[F]     :  37.00 [04:48 AM] RAWNSM Neal Smith
 High Dew Point[F]   :  41.00 [08:48 AM] RAWNSM Neal Smith
                     :  41.00 [09:48 AM] RAWDES Desoto
 Low Dew Point[F]    :  34.00 [05:41 AM] OT0006 NE Ames
                     :  34.00 [06:48 PM] RAWDES Desoto

>  All data subject to revision and is intended for
>  educational use only.


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