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Severe Thunderstorm Watch 332
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WW0332 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.
   SEL2
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 332
   NWS STORM PREDICTION CENTER NORMAN OK
   535 PM EDT SUN MAY 22 2011
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          NORTHERN INDIANA
          SOUTHWEST LOWER MICHIGAN
          LAKE MICHIGAN
   
   EFFECTIVE THIS SUNDAY AFTERNOON AND MONDAY MORNING FROM 535 PM
   UNTIL 100 AM EDT.
   
   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 70
   STATUTE MILES EAST AND WEST OF A LINE FROM 10 MILES NORTH
   NORTHEAST OF MUSKEGON MICHIGAN TO 35 MILES EAST OF LAFAYETTE
   INDIANA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).
   
   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 322...WW 323...WW
   324...WW 325...WW 326...WW 327...WW 328...WW 329...WW 330...WW
   331...
   
   DISCUSSION...LINEAR MCS OVER NE IL/NW INDIANA WILL LIKELY PERSIST
   WILL MOVING EWD INTO NRN INDIANA AND SW LOWER MI THROUGH THE
   EVENING.  THE DOWNSTREAM ENVIRONMENT IS CHARACTERIZED BY MLCAPE OF
   2000-3000 J/KG AND EFFECTIVE BULK SHEAR OF 30-40 KT...WHICH WILL
   MAINTAIN A RISK FOR EMBEDDED BOWS AND SUPERCELL STRUCTURES.  THE
   PRIMARILY LINEAR NATURE OF THE CONVECTION...AND LACK OF PRE-EXISTING
   SURFACE BOUNDARIES...SUGGEST THAT DAMAGING WINDS AND LARGE HAIL WILL
   BE THE MAIN SEVERE THREATS FOR THE NEXT SEVERAL HOURS.
   
   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 500. MEAN STORM
   MOTION VECTOR 26030.
   
   
   ...THOMPSON
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