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Tornado Watch 136
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WW0136 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood High Moderate
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
High High

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL6
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 136
   NWS STORM PREDICTION CENTER NORMAN OK
   910 PM CDT THU APR 14 2011
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          CENTRAL AND WESTERN ARKANSAS
          EXTREME SOUTHWEST MISSOURI
          EASTERN OKLAHOMA
          EXTREME NORTH CENTRAL AND NORTHEAST TEXAS
   
   EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 910 PM
   UNTIL 400 AM CDT.
   
   TORNADOES...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 125 STATUTE
   MILES EAST AND WEST OF A LINE FROM 45 MILES NORTHWEST OF HARRISON
   ARKANSAS TO 40 MILES WEST SOUTHWEST OF TEXARKANA ARKANSAS.  FOR A
   COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
   UPDATE (WOUS64 KWNS WOU6).
   
   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...THIS TORNADO WATCH REPLACES TORNADO
   WATCH NUMBER 135. WATCH NUMBER 135 WILL NOT BE IN EFFECT AFTER
   910 PM CDT. 
   
   DISCUSSION...SUPERCELL CLUSTERS IN E/SE OK WILL CONTINUE EWD INTO AR
   DURING THE NEXT SEVERAL HOURS...WITH STORMS MAINTAINED BY AN INFLUX
   OF LOW-MID 60S DEWPOINTS AND STEEP LAPSE RATES FROM THE W. 
   LOW-LEVEL SHEAR WILL CONTINUE TO INCREASE THROUGH THE EARLY
   OVERNIGHT HOURS...THUS THE THREAT FOR VERY LARGE HAIL AND AN
   ISOLATED STRONG TORNADO OR TWO WILL REMAIN THROUGH ABOUT 04-05Z
   ACROSS SE OK AND EXTREME W CENTRAL/SW AR.  OVERNIGHT...CONVECTION
   SHOULD GRADUALLY EVOLVE INTO A LARGER CLUSTER/MCS WITH THE POTENTIAL
   FOR DAMAGING WINDS/HAIL...THOUGH A COUPLE OF TORNADOES WILL ALSO BE
   POSSIBLE WITH GIVEN A CONTINUATION OF THE STRONG LOW-LEVEL SHEAR.
   
   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 27030.
   
   
   ...THOMPSON
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