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Severe Thunderstorm Watch 525
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WW0525 Radar
Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
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   SEL5
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 525
   NWS STORM PREDICTION CENTER NORMAN OK
   530 PM CDT FRI JUN 13 2008
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          NORTHERN ARKANSAS
          EXTREME SOUTHERN ILLINOIS
          WESTERN KENTUCKY
          SOUTHERN MISSOURI
          NORTHERN PART OF WEST TENNESSEE
   
   EFFECTIVE THIS FRIDAY AFTERNOON FROM 530 PM UNTIL MIDNIGHT 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 55
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 15 MILES SOUTHWEST
   OF HARRISON ARKANSAS TO 65 MILES EAST OF PADUCAH KENTUCKY.  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 522...WW 523...WW 524...
   
   DISCUSSION...BAND OF STRONG/SEVERE STORMS IS EXPECTED TO INTENSIFY
   NEXT SEVERAL HOURS AS STRONGER WESTERLY MID LEVEL WINDS SPREAD EWD
   ACROSS THE REGION THIS EVENING.  AIR MASS IS VERY WARM/MOIST WITH
   SURFACE TEMPERATURES IN THE UPPER 80S AND DEW POINTS NEAR
   70...CONTRIBUTING TO MLCAPE OF 2000 J/KG.  SUFFICIENT DEEP LAYER
   SHEAR WILL ENHANCE STORM ORGANIZATION...WITH POTENTIAL FOR EMBEDDED
   CONVECTION TO ORGANIZE INTO BOW ECHOES WHICH WOULD RESULT IN AN
   ENHANCED WIND DAMAGE THREAT.
   
   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 27030.
   
   
   ...WEISS
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