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Tornado Watch 151
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WW0151 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Moderate
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
High Moderate

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL1
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 151
   NWS STORM PREDICTION CENTER NORMAN OK
   350 PM CDT TUE MAY 11 2010
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          WESTERN OKLAHOMA
          WESTERN NORTH TEXAS
   
   EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 350 PM UNTIL
   1000 PM CDT.
   
   TORNADOES...HAIL TO 3 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 75 STATUTE
   MILES NORTH AND SOUTH OF A LINE FROM 10 MILES SOUTHEAST OF
   CHICKASHA OKLAHOMA TO 45 MILES WEST NORTHWEST OF ALTUS OKLAHOMA. 
   FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU1).
   
   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.
   
   DISCUSSION...ISOLATED SUPERCELL THUNDERSTORMS ARE EXPECTED TO
   DEVELOP THIS AFTERNOON AND EVENING NEAR RETREATING DRYLINE...WHERE
   STRONG HEATING HAS YIELDED EXTREME INSTABILITY.  INCREASING VERTICAL
   WIND SHEAR THROUGH THE EVENING WILL ENHANCE THE RISK OF VERY LARGE
   HAIL AND TORNADOES.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   500. MEAN STORM MOTION VECTOR 24030.
   
   
   ...HART
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Page last modified: September 21, 2020
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