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Severe Thunderstorm Watch 350
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WW0350 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
Moderate 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.
   SEL0
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 350
   NWS STORM PREDICTION CENTER NORMAN OK
   945 PM CDT MON MAY 23 2011
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          CENTRAL AND WEST CENTRAL ARKANSAS
          CENTRAL AND EAST CENTRAL OKLAHOMA
   
   EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 945 PM UNTIL
   400 AM CDT.
   
   HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
   MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 45
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 35 MILES NORTHWEST
   OF CHICKASHA OKLAHOMA TO 55 MILES NORTHEAST OF PINE BLUFF
   ARKANSAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).
   
   REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
   FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
   DO PRODUCE TORNADOES.
   
   OTHER WATCH INFORMATION...THIS SEVERE THUNDERSTORM WATCH REPLACES
   TORNADO WATCH NUMBER 345...TORNADO WATCH NUMBER 348. WATCH NUMBER
   345 348 WILL NOT BE IN EFFECT AFTER 945 PM CDT. CONTINUE...WW
   346...WW 349...
   
   DISCUSSION...OUTFLOW BOUNDARY REINFORCED BY ONGOING CONVECTION WILL
   CONTINUE TO SAG SWD ACROSS CENTRAL/ERN OK...WITH STORM DEVELOPMENT
   EXPECTED ATOP THE COLD POOL IN ASSOCIATION WITH WAA AND A 35-40 KT
   LLJ.  LARGE HAIL AND ISOLATED DAMAGING WINDS WILL BE THE MAIN
   THREATS WITH THIS ACTIVITY.  FARTHER E INTO AR...MULTIPLE EARLIER
   ROUNDS OF CONVECTION HAVE LEFT A SL0W-MOVING OUTFLOW ACROSS CENTRAL
   AR.  THIS BOUNDARY WILL SERVE TO FOCUS THE EWD MOVEMENT OF THE
   CLUSTER ALONG THE AR/OK BORDER.  THERE WILL BE SOME POTENTIAL FOR
   FORWARD PROPAGATION AND AN ASSOCIATED RISK FOR DAMAGING WINDS...BUT
   THE MAGNITUDE AND ERN EXTENT OF THE SEVERE THREAT ARE SOMEWHAT IN
   QUESTION OVERNIGHT.
   
   AVIATION...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 550. MEAN STORM
   MOTION VECTOR 29025.
   
   
   ...THOMPSON
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