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Severe Thunderstorm Watch 588
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WW0588 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Very Low Very Low
Severe Wind 65 kt+ Wind
Moderate Low
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 588
   NWS STORM PREDICTION CENTER NORMAN OK
   315 PM CDT THU JUL 16 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          NORTHWEST ARKANSAS
          EXTREME SOUTHEAST KANSAS
          SOUTHWEST AND SOUTH CENTRAL MISSOURI
          NORTHEAST OKLAHOMA
   
   EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 315 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 60
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 30 MILES WEST
   SOUTHWEST OF TULSA OKLAHOMA TO 25 MILES EAST SOUTHEAST OF FORT
   LEONARD WOOD MISSOURI.  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 587...
   
   DISCUSSION...STORMS ARE CONTINUING TO DEVELOP AND INTENSIFY ALONG
   BOUNDARY EXTENDING FROM CENTRAL MO INTO FAR NRN OK.  THE AIR MASS
   HAS RECOVERED FROM MORNING CONVECTION WITH A WELL-DEFINED LOW LEVEL
   THERMAL/INSTABILITY AXIS NEAR THE BOUNDARY...WITH MLCAPE OF
   1500-2000 J/KG.  APPARENT SHORT WAVE TROUGH MOVING SEWD INTO THE
   LOWER MO VALLEY REGION AND ATTENDANT 35-45 KT WNWLY MID LEVEL WINDS
   ARE EXPECTED TO ENHANCE CONVECTIVE ORGANIZATION WITH POTENTIAL FOR A
   FEW SEVERE STORMS THROUGH THE EVENING.
   
   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 28030.
   
   
   ...WEISS
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