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Severe Thunderstorm Watch 616
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WW0616 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
Moderate Moderate

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 616
   NWS STORM PREDICTION CENTER NORMAN OK
   1035 AM CDT FRI JUL 24 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          PARTS OF CENTRAL AND EASTERN IOWA
          PORTIONS OF SOUTH CENTRAL AND SOUTHEASTERN MINNESOTA
          FAR SOUTHWEST WISCONSIN
   
   EFFECTIVE THIS FRIDAY MORNING AND AFTERNOON FROM 1035 AM UNTIL
   500 PM CDT.
   
   HAIL TO 3 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 85
   STATUTE MILES EITHER SIDE OF A LINE FROM 30 MILES SOUTHWEST OF
   FORT DODGE IOWA TO 35 MILES SOUTH SOUTHEAST OF LA CROSSE
   WISCONSIN.  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.
   
   DISCUSSION...ONGOING/ELEVATED STORMS NOW OVER SOUTHEAST MINNESOTA
   AND ADJACENT FAR WESTERN WISCONSIN SHOULD CONTINUE/INCREASE THROUGH
   THE DAY WHILE MOVING SWD/SEWD...BECOMING INCREASINGLY SURFACE-BASED
   WITH TIME IN CONJUNCTION WITH BOUNDARY-LAYER
   HEATING/DESTABILIZATION.  WITH DEEP-LAYER WIND FIELD SUPPORTIVE OF
   ORGANIZED/ROTATING STORMS...LARGE HAIL THREAT WILL CONTINUE.  IN
   ADDITION...AN INCREASING THREAT FOR DAMAGING WINDS IS EXPECTED TO
   EVOLVE WITH TIME AS STORMS BECOME MORE SURFACE-BASED THROUGH LATE
   MORNING/EARLY AFTERNOON.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
   MOTION VECTOR 33035.
   
   
   ...GOSS
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