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Tornado Watch 180
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WW0180 Radar
Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
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   SEL0
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 180
   NWS STORM PREDICTION CENTER NORMAN OK
   540 PM CDT WED APR 9 2008
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          EASTERN OKLAHOMA
   
   EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 540 PM UNTIL
   1100 PM CDT.
   
   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 55 STATUTE
   MILES NORTH AND SOUTH OF A LINE FROM 55 MILES WEST NORTHWEST OF
   MCALESTER OKLAHOMA TO 50 MILES NORTH OF POTEAU OKLAHOMA.  FOR A
   COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
   UPDATE (WOUS64 KWNS WOU0).
   
   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 178...WW 179...
   
   DISCUSSION...CLUSTER OF INTENSIFYING THUNDERSTORMS OVER CENTRAL OK
   WILL TRACK EASTWARD OVER THE NEXT FEW HOURS...ALONG AND SOUTH OF
   SURFACE WARM FRONT.  INCREASINGLY MOIST AND UNSTABLE AIR
   MASS...COUPLED WITH STRONG DYNAMIC FORCING...WILL POSE A THREAT OF
   SEVERE STORMS.  DAMAGING WINDS AND HAIL ARE THE INITIAL THREAT...BUT
   AN ISOLATED TORNADOES COULD ALSO OCCUR AS WIND FIELDS STRENGTHEN
   THIS EVENING.
   
   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
   450. MEAN STORM MOTION VECTOR 25035.
   
   
   ...HART
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Page last modified: April 10, 2008
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