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 503
< Previous WW          Next WW >
  | | | | | |  
WW0503 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Low
Severe Hail 2"+ Hail
Low 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.
   SEL3
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 503
   NWS STORM PREDICTION CENTER NORMAN OK
   555 PM CDT TUE JUN 23 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          SOUTHEAST IOWA
          EXTREME WEST CENTRAL ILLINOIS
          NORTHERN MISSOURI
   
   EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 555 PM UNTIL
   1100 PM CDT.
   
   HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
   MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 45 MILES NORTH OF
   SAINT JOSEPH MISSOURI TO 25 MILES EAST OF BURLINGTON IOWA.  FOR A
   COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
   UPDATE (WOUS64 KWNS WOU3).
   
   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 497...WW 498...WW
   499...WW 500...WW 501...WW 502...
   
   DISCUSSION...THE LINEAR MCS ACROSS S/SE IA WILL CONTINUE TO DEVELOP
   SEWD/SWD THE NEXT FEW HOURS...INTO A STRONGLY UNSTABLE ENVIRONMENT
   OVER SRN IA/NRN MO.  THE STRONGER STORMS IN THE CLUSTER WILL
   CONTINUE TO BE CAPABLE OF PRODUCING DAMAGING DOWNBURST WINDS AND
   ISOLATED LARGE HAIL.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
   MOTION VECTOR 32020.
   
   
   ...THOMPSON
WW0503 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Low
Severe Hail 2"+ Hail
Low Low

Note:  See the experimental Public Watch (SEL) product with explicit hazard information section below. The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL3
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 503
   NWS STORM PREDICTION CENTER NORMAN OK
   555 PM CDT TUE JUN 23 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          SOUTHEAST IOWA
          EXTREME WEST CENTRAL ILLINOIS
          NORTHERN MISSOURI
   
   EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 555 PM UNTIL
   1100 PM CDT.
   
   HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
   MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 45 MILES NORTH OF
   SAINT JOSEPH MISSOURI TO 25 MILES EAST OF BURLINGTON IOWA.  FOR A
   COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
   UPDATE (WOUS64 KWNS WOU3).
   
   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 497...WW 498...WW
   499...WW 500...WW 501...WW 502...
   
   DISCUSSION...THE LINEAR MCS ACROSS S/SE IA WILL CONTINUE TO DEVELOP
   SEWD/SWD THE NEXT FEW HOURS...INTO A STRONGLY UNSTABLE ENVIRONMENT
   OVER SRN IA/NRN MO.  THE STRONGER STORMS IN THE CLUSTER WILL
   CONTINUE TO BE CAPABLE OF PRODUCING DAMAGING DOWNBURST WINDS AND
   ISOLATED LARGE HAIL.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
   MOTION VECTOR 32020.
   
   
   ...THOMPSON
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: June 24, 2009		 Disclaimer
Information Quality
Credits
Glossary 		Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities