IEM Daily Bulletin

Iowa Mesonet mesonet at mesonet.agron.iastate.edu
Fri Apr 13 11:01:23 CDT 2007


Iowa Environmental Mesonet Daily Bulletin
Data valid for 12 April 2007

> News
    No news is good news

> Yesterday's Daily Feature

 +----------------------------------------------
http://mesonet.agron.iastate.edu/onsite/features/cat.php?day=2007-04-12
 | Title : April snow common?
 | Date  : 12 Apr 07:13 AM
 | Votes : Good: 27   Bad: 6
 +----------------------------------------------

Is seeing a snowfall on 11 April common?  The featured chart for today attempts to address this question by plotting daily frequencies of snowfall occurances for years since 1951. You can see that the snowiest time of year is roughly the last week of January.  The value for April 11th is around 15% which means roughly 1 out of every 7 years there is snowfall somewhere in the state.  Overall for April, 53 of the previous 57 years have had snowfall in April so yesterday is not that irregular.

> NWS Watch/Warning Summary
*** Products issued on 12 Apr 2007

             Summary +_________ By WFO ____________+  Watches 
Type         US   IA | ARX   DVN   DMX   OAX   FSD |  US 
Tornado       0    0 |   0     0     0     0     0 |   1
Svr Tstorm   32    0 |   0     0     0     0     0 |   2
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: 462
-----------------------------------------------------------------
 High Air Temp[F]    :  44.60 [04:52 PM] SUX   SIOUX CITY
                     :  44.60 [06:53 PM] BRL   BURLINGTON
                     :  44.60 [05:54 PM] DSM   DES MOINES
 Low Air Temp[F]     :  21.92 [05:53 AM] SPW   SPENCER
 High Dew Point[F]   :  32.00 [03:53 PM] SPW   SPENCER
                     :  32.00 [03:46 PM] MIW   MARSHALLTOWN
                     :  32.00 [11:53 AM] OTM   OTTUMWA
 Low Dew Point[F]    :  17.96 [06:53 AM] SPW   SPENCER
 Peak Gust[knots]    :  27.00 [12:52 PM] IOW   IOWA CITY
 Max Rainfall [inch] :   0.03 [        ] DVN   QUAD CITIES
-----------------------------------------------------------------
 Iowa AWOS            Reporting Stations: 40  Obs Received: 6860
-----------------------------------------------------------------
 High Air Temp[F]    :  49.00 [04:10 PM] RDK   RED OAK
 Low Air Temp[F]     :  25.00 [06:40 AM] SHL   SHELDON
 High Dew Point[F]   :  37.00 [10:20 PM] RDK   RED OAK
 Low Dew Point[F]    :  19.40 [06:55 AM] SHL   SHELDON
 Peak Gust[knots]    :  29.00 [10:30 AM] EOK   KEOKUK MUNI
 Max Rainfall [inch] :   0.02 [        ] FFL   FAIRFIELD
-----------------------------------------------------------------
 Iowa RWIS            Reporting Stations: 56  Obs Received: 7434
-----------------------------------------------------------------
 High Air Temp[F]    :  47.60 [03:35 PM] RCBI4 Council Bluffs (I-80)
 Low Air Temp[F]     :  23.50 [06:45 AM] RSPI4 Spencer (US 18)
 High Dew Point[F]   :  39.40 [01:18 PM] RONI4 Onawa (I-29)
 Low Dew Point[F]    :  16.90 [04:39 PM] RMCI4 Mason City (I-35)
 Peak Gust[knots]    :  28.00 [01:53 AM] RSBI4 Steamboat Rock (US20)
                     :  28.00 [10:41 AM] RDAI4 Adair (I-80)
                     :  28.00 [02:47 PM] RDWI4 De Witt (US 30/US 61)
-----------------------------------------------------------------
 KCCI SchoolNet       Reporting Stations: 66  Obs Received: 90789
-----------------------------------------------------------------
 High Air Temp[F]    :  47.00 [04:13 PM] SMUI4 Murray
                     :  47.00 [06:19 PM] SBMI4 Bloomfield
 Low Air Temp[F]     :   1.00 [01:36 AM] SIFI4 Iowa Falls
 High Dew Point[F]   :  45.00 [04:19 PM] SKCI4 KCCI Studios
 Low Dew Point[F]    :   0.00 [06:02 PM] SMAI4 Marshalltown
                     :   0.00 [01:36 AM] SIFI4 Iowa Falls
 Peak Gust[knots]    :  27.81 [12:22 AM] STQI4 Tama
 Max Rainfall [inch] :   0.27 [        ] SJEI4 Jefferson
-----------------------------------------------------------------
 KIMT SchoolNet       Reporting Stations: 21  Obs Received: 24514
-----------------------------------------------------------------
 High Air Temp[F]    :  44.00 [05:03 PM] SFMM5 Rochester (Friedell)
 Low Air Temp[F]     :  25.00 [02:40 AM] SLEM5 LeRoy
                     :  25.00 [04:26 AM] SCQI4 Cresco
                     :  25.00 [02:13 AM] SGMM5 Grand Meadow
                     : 1 Other Duplicates Skipped
 High Dew Point[F]   :  40.00 [02:45 PM] SNKI4 Northwood
 Low Dew Point[F]    :  21.00 [02:23 PM] SJAM5 Rochester (John Adams)
                     :  21.00 [04:34 AM] SCCI4 Charles City
 Peak Gust[knots]    :  26.00 [11:48 AM] SGMM5 Grand Meadow
 Max Rainfall [inch] :   0.38 [        ] SGMM5 Grand Meadow
-----------------------------------------------------------------
 KELO WeatherNet      Reporting Stations: 44  Obs Received: 27453
-----------------------------------------------------------------
 High Air Temp[F]    :  48.00 [04:54 PM] SMSS2 Mission
 Low Air Temp[F]     :  16.00 [07:10 AM] SMAM5 Madison
 High Dew Point[F]   :  43.00 [02:57 PM] WHSS2 Winner
 Low Dew Point[F]    : -39.00 [11:53 PM] SWTS2 Watertown
                     : -39.00 [07:36 AM] SMAM5 Madison
 Peak Gust[knots]    :  33.02 [12:06 AM] SRAS2 Rapid City
 Max Rainfall [inch] :   0.43 [        ] SRUM5 Russell
-----------------------------------------------------------------
 Iowa NWS COOP        Reporting Stations: 91  Obs Received: 110
-----------------------------------------------------------------
 High Air Temp[F]    :  58.00 [        ] MTAI4 Mount Ayr
 Low Air Temp[F]     :  20.00 [        ] SNBI4 SANBORN
                     :  20.00 [        ] VICI4 Vicks Corner _ Spirit Lake
 Max Rainfall [inch] :   0.12 [        ] SPTI4 STRAWBERRY POINT
 Max Snowfall [inch] :   0.00 [        ] LSGI4 LANSING 4 SE                   
                     :   0.00 [        ] MSTI4 MUSCATINE 2 N
-----------------------------------------------------------------
 Misc Stations        Reporting Stations: 5  Obs Received: 1969
-----------------------------------------------------------------
 High Air Temp[F]    :  44.00 [09:48 AM] RAWDES Desoto
 Low Air Temp[F]     :  27.90 [05:05 AM] OT0006 NE Ames
 High Dew Point[F]   :  37.00 [09:48 AM] RAWDES Desoto
 Low Dew Point[F]    :  24.00 [01:03 AM] OT0006 NE Ames

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


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