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Tornado Watch 7
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WW0007 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Moderate
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.
   SEL7
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 7
   NWS STORM PREDICTION CENTER NORMAN OK
   1100 AM CST TUE JAN 29 2013
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          WESTERN ARKANSAS
          SOUTHEAST OKLAHOMA
          NORTHEAST TEXAS
   
   EFFECTIVE THIS TUESDAY MORNING AND EVENING FROM 1100 AM UNTIL 700
   PM CST.
   
   TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
   GUSTS TO 75 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
   AREAS.
   
   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE
   MILES EAST AND WEST OF A LINE FROM 35 MILES NORTHWEST OF POTEAU
   OKLAHOMA TO 80 MILES SOUTH OF PARIS TEXAS.  FOR A COMPLETE
   DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
   (WOUS64 KWNS WOU7).
   
   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 5...WW 6...
   
   DISCUSSION...A BAND OF PRE-FRONTAL ASCENT OVERSPREADING NE TX/SE OK
   WILL SUPPORT NEW THUNDERSTORM DEVELOPMENT THROUGH THIS AFTERNOON
   WITHIN THE UNSTABLE WARM SECTOR.  THOUGH CLOUDS ARE LIMITING SURFACE
   HEATING...DEWPOINTS IN THE MID 60S AND REMNANT STEEP MIDLEVEL LAPSE
   RATES WILL DRIVE MLCAPE TO THE 750-1500 J/KG RANGE BY EARLY-MID
   AFTERNOON.  VERTICAL SHEAR IS FAVORABLE FOR SUPERCELLS AND BOWING
   SEGMENTS ACROSS THE WATCH AREA...AND THIS WILL SUPPORT A RISK FOR
   TORNADOES...DAMAGING WINDS...AND AT LEAST ISOLATED LARGE HAIL
   THROUGH THIS EVENING.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   450. MEAN STORM MOTION VECTOR 23045.
   
   
   ...THOMPSON
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Page last modified: January 30, 2013
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