Skip Navigation Links weather.gov 
NOAA logo-Select to go to the NOAA homepage NOAA's National Weather Service   Select to go to the NWS homepage
Storm Prediction Center
navigation bar left  
  navigation bar end cap


 
USA.gov is the U.S. Government's official Web portal to all Federal, state and local government Web resources and services.

Severe Thunderstorm Watch 296
< Previous WW         Next WW >
  | | | | | |  
WW0296 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
Moderate Low

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL6
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 296
   NWS STORM PREDICTION CENTER NORMAN OK
   335 PM CDT THU MAY 24 2012
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          CENTRAL AND EASTERN IOWA
          EXTREME NORTHWEST ILLINOIS
          SOUTHWEST WISCONSIN
   
   EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 335 PM UNTIL
   1000 PM CDT.
   
   HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 75
   MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 70
   STATUTE MILES EAST AND WEST OF A LINE FROM 45 MILES WEST
   NORTHWEST OF LONEROCK WISCONSIN TO 35 MILES SOUTH SOUTHWEST OF
   OTTUMWA IOWA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).
   
   REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
   FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
   AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
   THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
   AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
   DO PRODUCE TORNADOES.
   
   OTHER WATCH INFORMATION...CONTINUE...WW 295...
   
   DISCUSSION...STORMS ARE DEVELOPING ALONG AN EWD MOVING COLD FRONT
   OVER THE CENTRAL PARTS OF IA AND ACTIVITY IS EXPECTED TO INTENSIFY
   THROUGH THE LATE AFTERNOON HOURS.  CONVECTION WILL BE MOVING INTO AN
   ENVIRONMENT CHARACTERIZED BY SBCAPE OF 1500-2000 J/KG AND VERY
   STRONG LOW AND MID LEVEL SHEAR.  LOW LEVEL INVERTED-V SOUNDINGS WILL
   AID IN DEVELOPMENT OF STRONG DOWNDRAFTS...ESPECIALLY OVER ERN IA
   WHERE DCAPE EXCEEDS 1000 J/KG.  DAMAGING WIND GUSTS AND OCCASIONAL
   HAIL WILL BE THE PRIMARY SEVERE THREATS.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
   MOTION VECTOR 22040.
   
   
   ...WEISS
Top of Page/Status Messages for this watch/All Current Watches/Forecast Products/Home
Weather Topics:
Watches, Mesoscale Discussions, Outlooks, Fire Weather, All Products, Contact Us
NOAA / National Weather Service
National Centers for Environmental Prediction
Storm Prediction Center
120 David L. Boren Blvd.
Norman, OK 73072 U.S.A.
spc.feedback@noaa.gov
Page last modified: May 25, 2012		 Disclaimer
Information Quality
Credits
Glossary 		Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities