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Severe Thunderstorm Watch 371
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WW0371 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Low
Severe Hail 2"+ Hail
Low Very 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.
   SEL1
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 371
   NWS STORM PREDICTION CENTER NORMAN OK
   1150 PM CDT WED JUN 10 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          SOUTHERN AND EASTERN ARKANSAS
          NORTHERN LOUISIANA
          WESTERN MISSISSIPPI
          EAST TEXAS
   
   EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 1150 PM
   UNTIL 500 AM 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 EAST AND WEST OF A LINE FROM 25 MILES WEST OF
   NATCHITOCHES LOUISIANA TO 40 MILES WEST NORTHWEST OF OXFORD
   MISSISSIPPI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).
   
   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 367...WW 368...WW
   369...WW 370...
   
   DISCUSSION...SW AR/NW LA BOW MCS EXPECTED TO CONTINUE ENE AT ABOUT
   40 KTS.  SHV VWP SAMPLED 50 KT WLY REAR INFLOW JET WITH SYSTEM. 
   COUPLED WITH EXISTING SFC-BASED INSTABILITY PATTERN...EXPECT THAT
   CONVECTIVE SYSTEM WILL CONTINUE TO POSE A CHANCE FOR DMGG WINDS AT
   LEAST AS FAR E AS THE MS RVR.  MORE PERSISTENT/TRAINING STORMS ON
   TRAILING SW PART OF ASSOCIATED ELONGATING COLD POOL MAY POSE A
   THREAT FOR WIND/HAIL THROUGH 10Z ACROSS NRN LA.
   
   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 25040.
   
   
   ...CORFIDI
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