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Severe Thunderstorm Watch 394
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WW0394 Radar
Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
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   SEL4
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 394
   NWS STORM PREDICTION CENTER NORMAN OK
   155 PM CDT WED JUN 13 2007
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          PARTS OF SOUTHWEST KANSAS
          MUCH OF WESTERN AND PARTS OF CENTRAL OKLAHOMA
          PARTS OF EASTERN TEXAS PANHANDLE
   
   EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 155 PM UNTIL
   1000 PM CDT.
   
   HAIL TO 2.5 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 90
   STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES NORTH OF
   DODGE CITY KANSAS TO 15 MILES EAST SOUTHEAST OF FORT SILL
   OKLAHOMA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).
   
   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 391...WW 392...WW 393...
   
   DISCUSSION...WITH A VERY UNSTABLE/VIRTUALLY UNCAPPED AIRMASS ACROSS
   WATCH AREA...THUNDERSTORMS EXPECTED TO DEVELOP RAPIDLY VICINITY
   OUTFLOW BOUNDARY NWRN OK AND DOWN SURFACE TROUGH EASTERN TX
   PANHANDLE.  SUFFICIENT SHEAR GIVEN INSTABILITY FOR SUPERCELLS. 
   PRIMARY THREAT WILL BE VERY LARGE HAIL...DOWNBURST DAMAGING WINDS
   AND VERY HEAVY RAIN.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
   MOTION VECTOR 22020.
   
   
   ...HALES
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