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Severe Thunderstorm Watch 34
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WW0034 Radar
Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
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   SEL4
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 34
   NWS STORM PREDICTION CENTER NORMAN OK
   850 PM CST THU FEB 26 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          SOUTHERN ILLINOIS
          WESTERN KENTUCKY
          SOUTHEAST MISSOURI
   
   EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 850 PM
   UNTIL 300 AM CST.
   
   HAIL TO 1 INCH 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 65
   STATUTE MILES EAST AND WEST OF A LINE FROM 25 MILES SOUTHWEST OF
   POPLAR BLUFF MISSOURI TO 35 MILES NORTH OF CARBONDALE ILLINOIS. 
   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 32...WW 33...
   
   DISCUSSION...SCTD TSTMS/POSSIBLE SUPERCELLS EXPECTED TO PERSIST
   ALONG/JUST AHEAD OF COLD FRONT MOVING E IN EXIT REGION OF 60 KT MID
   LVL JET STREAK.  ALTHOUGH DIURNAL COOLING WILL FURTHER STABILIZE
   BOUNDARY LAYER...CORRIDOR OF GREATER MOISTURE INFLOW ALONG THE MS
   RVR VLY MAY SUPPORT STORM SUSTENANCE/SVR POTENTIAL THROUGH EARLY
   FRI.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS.
   A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400. MEAN STORM MOTION
   VECTOR 27040.
   
   
   ...CORFIDI
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Page last modified: February 27, 2009
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