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Severe Thunderstorm Watch 775
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WW0775 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.
   SEL5
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 775
   NWS STORM PREDICTION CENTER NORMAN OK
   715 PM CDT SUN OCT 25 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          SOUTHERN OKLAHOMA
          NORTH CENTRAL TEXAS
   
   EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 715 PM UNTIL
   100 AM CDT.
   
   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 85
   STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES SOUTHEAST OF
   STEPHENVILLE TEXAS TO 40 MILES NORTHEAST OF ARDMORE OKLAHOMA. 
   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.
   
   DISCUSSION...SCATTERED THUNDERSTORMS ARE INCREASING ALONG AND AHEAD
   OF AN APPROACHING COLD FRONT OVER SOUTHERN OK AND NORTH CENTRAL TX. 
   RATHER COOL TEMPERATURES ALOFT AND INCREASING LOW LEVEL MOISTURE
   WILL PROMOTE STRONG UPDRAFTS...WHILE SUFFICIENT EFFECTIVE SHEAR IS
   PRESENT FOR A FEW SUPERCELLS.  PRESENT INDICATIONS ARE THAT THE MAIN
   THREAT WILL BE LARGE HAIL...AND ISOLATED DAMAGING WINDS.
   
   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 24030.
   
   
   ...HART
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