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Severe Thunderstorm Watch 629
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WW0629 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.
   SEL9
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 629
   NWS STORM PREDICTION CENTER NORMAN OK
   245 PM CDT MON JUL 27 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          NORTHEAST IOWA
          SOUTHEAST MINNESOTA
          SOUTHERN WISCONSIN
          LAKE MICHIGAN
   
   EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 245 PM UNTIL 900
   PM CDT.
   
   HAIL TO 2 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 50
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 20 MILES WEST
   SOUTHWEST OF ROCHESTER MINNESOTA TO 20 MILES NORTH NORTHEAST OF
   MILWAUKEE WISCONSIN.  FOR A COMPLETE DEPICTION OF THE WATCH SEE
   THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).
   
   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 627...WW 628...
   
   DISCUSSION...THUNDERSTORMS ARE EXPECTED TO INCREASE IN INTENSITY AND
   COVERAGE AHEAD OF SURFACE LOW TRACKING EAST FROM MN THIS AFTERNOON.
   AIRMASS NEAR THE LOW AND ALONG ASSOCIATED FRONTAL ZONES HAS BECOME
   STRONGLY UNSTABLE AND WEAKLY CAPPED AND THIS SHOULD FUEL ROBUST
   THUNDERSTORM UPDRAFTS. MEANWHILE...DEEP-LAYER EFFECTIVE SHEAR ACROSS
   THE REGION WILL LIKELY INCREASE THROUGH THE LATE AFTERNOON AND
   CONTRIBUTE TO THE PERSISTENCE OF ORGANIZED STORMS/SUPERCELLS WITH
   THE THREAT FOR LARGE HAIL AND DAMAGING WINDS.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM
   MOTION VECTOR 28020.
   
   
   ...CARBIN
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