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Particularly Dangerous Situation (PDS) Tornado Watch 179
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WW0179 Radar
Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
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   SEL9
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 179...CORRECTED
   NWS STORM PREDICTION CENTER NORMAN OK
   400 PM CDT WED APR 9 2008
   
   CORRECTED TO INCLUDE PDS WORDING
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          PARTS OF SOUTHERN OKLAHOMA
          LARGE PART OF NORTH CENTRAL TEXAS
   
   EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 400 PM UNTIL
   1100 PM CDT.
   
   ...THIS IS A PARTICULARLY DANGEROUS SITUATION...
   
   DESTRUCTIVE TORNADOES...LARGE HAIL TO 3 INCHES IN DIAMETER...
   THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE
   POSSIBLE IN THESE AREAS.
   
   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE
   MILES EAST AND WEST OF A LINE FROM 45 MILES NORTHEAST OF ARDMORE
   OKLAHOMA TO 45 MILES SOUTH OF CORSICANA TEXAS.  FOR A COMPLETE
   DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
   (WOUS64 KWNS WOU9).
   
   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 177...WW 178...
   
   DISCUSSION...VERY FAVORABLE SUPERCELL CONDITIONS IN PLACE ACROSS
   WATCH.  INHIBITION CONTINUES TO WEAKEN WITH DEVELOPMENT OF
   STRONG/SEVERE THUNDERSTORMS EXPECTED NEXT COUPLE HOURS. IN ADDITION
   TORNADIC SUPERCELLS HAVE DEVELOPED NWRN TX AND WILL CONTINUE
   INCREASING IN NUMBER AND INTENSITY AS THEY MOVE TOWARD NCENTRAL TX. 
   WITH MLCAPE OF 2000 J/KG COUPLED WITH STRONG VEERING SHEAR
   PROFILES...ANY SUPERCELL WILL HAVE POTENTIAL OF TORNADOES AND LARGE
   HAIL.  A STRONG TORNADO IS POSSIBLE GIVEN THE CONDITIONS.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   550. MEAN STORM MOTION VECTOR 24035.
   
   
   ...HALES
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