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Tornado Watch 351
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WW0351 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Low
Severe Wind 65 kt+ Wind
Moderate Low
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.
   SEL1
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 351
   NWS STORM PREDICTION CENTER NORMAN OK
   405 PM EDT MON JUN 8 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          SOUTHERN LOWER MICHIGAN
          LAKE HURON
          LAKE MICHIGAN
   
   EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 405 PM UNTIL
   1000 PM EDT.
   
   TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
   GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
   AREAS.
   
   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 85 STATUTE
   MILES EAST AND WEST OF A LINE FROM 10 MILES NORTH NORTHEAST OF
   SAGINAW MICHIGAN TO 25 MILES WEST SOUTHWEST OF JACKSON MICHIGAN. 
   FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU1).
   
   REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
   TORNADOES AND 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.
   
   OTHER WATCH INFORMATION...CONTINUE...WW 350...
   
   DISCUSSION...SCATTERED THUNDERSTORMS ARE DEVELOPING ALONG THE
   SURFACE WARM FRONT AS IT CONTINUES TO LIFT NEWD ACROSS SRN LOWER MI
   IN ADVANCE OF THE SYNOPTIC LOW AND MID LEVEL TROUGH MOVING ENEWD
   FROM WI/IL.  THE BOUNDARY LAYER HAS DESTABILIZED S OF THE WARM FRONT
   WHERE TEMPERATURES OF 75-80 F AND MID 60S DEW POINTS ARE RESULTING
   IN MODERATE INSTABILITY /MLCAPE OF 1000-1500 J/KG/. 
   MEANWHILE...VERTICAL SHEAR REMAINS SUFFICIENT FOR SUPERCELLS WITH A
   THREAT FOR A COUPLE OF TORNADOES...ESPECIALLY RIGHT ALONG THE
   SURFACE WARM FRONT.  IN ADDITION TO THE TORNADO THREAT...THE
   STRONGER STORMS WILL PRODUCE LARGE HAIL AND DAMAGING WINDS...WITH A
   LARGE HAIL THREAT CONTINUING WITH ELEVATED STORMS N/NE OF THE WARM
   FRONT.
   
   AVIATION...TORNADOES AND 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 24030.
   
   
   ...THOMPSON
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