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Tornado Watch 293
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WW0293 Radar
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   SEL3
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 293
   NWS STORM PREDICTION CENTER NORMAN OK
   1130 AM CDT SAT MAY 10 2008
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          NORTHWEST ARKANSAS
          SOUTHEAST KANSAS
          SOUTHWEST MISSOURI
          NORTHEAST OKLAHOMA
   
   EFFECTIVE THIS SATURDAY MORNING AND EVENING FROM 1130 AM UNTIL
   700 PM CDT.
   
   TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
   GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
   AREAS.
   
   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 110 STATUTE
   MILES NORTH AND SOUTH OF A LINE FROM 45 MILES NORTHWEST OF
   BARTLESVILLE OKLAHOMA TO 50 MILES NORTHEAST OF HARRISON ARKANSAS.
    FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU3).
   
   REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
   TORNADOES AND 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.
   
   OTHER WATCH INFORMATION...CONTINUE...WW 292...
   
   DISCUSSION...NUMEROUS ELEVATED STORMS WILL OVERSPREAD SOME OF THE
   WATCH AREA THROUGH EARLY AFTERNOON WITHIN INTENSIFYING LOW LEVEL
   WARM ADVECTION REGIME AHEAD OF AMPLIFYING LARGE SCALE PATTERN. MOST
   GUIDANCE SUPPORT RAPID NEAR-SURFACE-BASED DESTABILIZATION IN THE
   WAKE OF THIS INITIAL ROUND OF ELEVATED CONVECTION AND ADDITIONAL
   STORMS ARE ILKLEY TO FORM NEAR THE SURFACE LOW AND WARM FRONT BY
   MID-LATE AFTERNOON. DEEP-LAYER SHEAR...ALREADY SUFFICIENT FOR
   UPDRAFT ROTATION AND HAIL PRODUCTION...WILL STRENGTHEN FURTHER
   COINCIDENT WITH THE INCREASE IN LARGE SCALE ASCENT.
   FURTHERMORE...STRONG LOW LEVEL SRH NEAR THE LOW AND ALONG THE WARM
   FRONT WILL BECOME INCREASINGLY FAVORABLE FOR LOW LEVEL AND
   PERSISTENT STORM ROTATION AND POSSIBLE TORNADOES...ESPECIALLY LATER
   THIS AFTERNOON.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   450. MEAN STORM MOTION VECTOR 26030.
   
   
   ...CARBIN
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