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Severe Thunderstorm Watch 658
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WW0658 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.
   SEL8
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 658
   NWS STORM PREDICTION CENTER NORMAN OK
   310 PM CDT TUE AUG 4 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          FAR SOUTHERN ILLINOIS
          EXTREME SOUTHEAST KANSAS
          WESTERN KENTUCKY
          SOUTHERN MISSOURI
   
   EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 310 PM UNTIL
   1000 PM 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 55
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 10 MILES SOUTH
   SOUTHWEST OF JOPLIN MISSOURI TO 45 MILES SOUTH SOUTHEAST OF
   EVANSVILLE INDIANA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE
   THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).
   
   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 657...
   
   DISCUSSION...SURFACE COLD FRONT WILL CONTINUE TO SETTLE SWD ACROSS
   WW THROUGH THE EVENING INTO AN AXIS OF EXTREME INSTABILITY.  AREA
   REMAINS ALONG FRINGE OF MODERATE NWLY FLOW ALOFT AND SHEAR WILL BE
   SUPPORTIVE OF ORGANIZED LINES/CLUSTERS...AS WELL AS SUPERCELLS. 
   PRIMARY THREATS WILL BE FROM LARGE HAIL AND DAMAGING WINDS...AS WELL
   AS HEAVY RAINFALL.
   
   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 500. MEAN STORM
   MOTION VECTOR 33025.
   
   
   ...EVANS
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