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Severe Thunderstorm Watch 534
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WW0534 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
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.
   SEL4
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 534
   NWS STORM PREDICTION CENTER NORMAN OK
   155 PM CDT TUE JUN 30 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          CENTRAL AND WESTERN ARKANSAS
          EASTERN AND CENTRAL OKLAHOMA
   
   EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 155 PM UNTIL
   900 PM CDT.
   
   HAIL TO 1.5 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 75
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES WEST
   SOUTHWEST OF CHANDLER OKLAHOMA TO 55 MILES EAST NORTHEAST OF PINE
   BLUFF ARKANSAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).
   
   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...CONTINUE...WW 533...
   
   DISCUSSION...SCATTERED THUNDERSTORMS HAVE BEGUN TO FORM OVER AR
   ALONG WEAK REMNANT OUTFLOW BOUNDARIES.  HOT AND HUMID CONDITIONS ARE
   LEADING TO STEEP LOW LEVEL LAPSE RATES AND HIGH CAPE...SUGGESTING
   THE POTENTIAL FOR LOCALLY DAMAGING WINDS IN STRONGER CELLS. 
   ISOLATED CELLS ARE ALSO EXPECTED TO DEVELOP WESTWARD ALONG THE WEAK
   COLD FRONT INTO CENTRAL OK THIS AFTERNOON WHERE SIMILAR CONDITIONS
   EXIST.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
   MOTION VECTOR 30020.
   
   
   ...HART
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