Severe Thunderstorm Watch #375

URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 375
   NWS STORM PREDICTION CENTER NORMAN OK
   520 PM CDT MON JUN 11 2012
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          PARTS OF NORTHWEST AND WEST CENTRAL ALABAMA
          EXTREME SOUTHEAST ARKANSAS
          NORTHEAST LOUISIANA
          CENTRAL MISSISSIPPI
   
   EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 520 PM UNTIL
   1000 PM CDT.
   
   HAIL TO 1.5 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 60
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 70 MILES SOUTHWEST
   OF GREENVILLE MISSISSIPPI TO 40 MILES NORTHEAST OF TUSCALOOSA
   ALABAMA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).
   
   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 373...WW 374...
   
   DISCUSSION...MCS WILL CONTINUE TO MOVE SEWD FROM AR/NRN MS TOWARD NW
   AL AND CENTRAL MS/NE LA.  SURFACE TEMPERATURES NEAR 90 F AND
   DEWPOINTS AOA 70 F WILL MAINTAIN STRONG INSTABILITY AND CONTINUED
   DOWNSTREAM PROPAGATION OF THE STORMS ON A WELL-DEVELOPED COLD POOL. 
   SCATTERED DAMAGING WINDS AND MARGINALLY SEVERE HAIL WILL BE THE MAIN
   THREATS THROUGH LATE EVENING.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
   MOTION VECTOR 33030.

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