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Severe Thunderstorm Watch 182
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WW0182 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 182
   NWS STORM PREDICTION CENTER NORMAN OK
   340 PM EDT SAT APR 25 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          PARTS OF NORTHERN INDIANA
          LARGE PART OF LOWER MICHIGAN
          SMALL PART OF NORTHWEST OHIO
          LAKE ERIE
          LAKE HURON
          LAKE MICHIGAN
   
   EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 340 PM UNTIL
   1000 PM 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 55
   STATUTE MILES EITHER SIDE OF A LINE FROM 40 MILES EAST NORTHEAST
   OF MOUNT CLEMENS MICHIGAN TO 30 MILES SOUTHWEST OF BENTON HARBOR
   MICHIGAN.  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...THIS SEVERE THUNDERSTORM WATCH REPLACES
   SEVERE THUNDERSTORM WATCH NUMBER 181. WATCH NUMBER 181 WILL NOT
   BE IN EFFECT AFTER 340 PM EDT. 
   
   DISCUSSION...THUNDERSTORMS CONTINUE TO REDEVELOP AND MOVE ACROSS SRN
   LWR MI AHEAD OF COLD FRONT.  WITH STRONG DEEP LAYER SHEAR AND STEEP
   LOW LEVEL LAPSE RATES ALONG WITH MLCAPES TO 1000 J/KG...CONDITIONS
   WILL REMAIN FAVORABLE FOR LINE SEGMENTS/BOWS AND ACCOMPANYING WIND
   DAMAGE THREAT INTO THE EVENING 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 450. MEAN STORM
   MOTION VECTOR 24040.
   
   
   ...HALES
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