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Severe Thunderstorm Watch 753
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WW0753 Radar
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   SEL3
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 753
   NWS STORM PREDICTION CENTER NORMAN OK
   215 PM CDT SAT JUL 26 2008
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          NORTH CENTRAL AND NORTHEAST KANSAS
          EXTREME SOUTH CENTRAL AND SOUTHEAST NEBRASKA
   
   EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 215 PM UNTIL
   1000 PM CDT.
   
   HAIL TO 3 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 65 MILES NORTH
   NORTHWEST OF RUSSELL KANSAS TO 25 MILES NORTH OF TOPEKA KANSAS. 
   FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU3).
   
   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.
   
   DISCUSSION...THUNDERSTORMS ARE INTENSIFYING ALONG THE KS/NEB BORDER
   TO THE NORTH OF HLC...WHILE ELEVATED STORMS ARE SPREADING EWD INTO
   NORTH CENTRAL KS.  THE STORMS ARE LIKELY TO BECOME INCREASINGLY
   SURFACE-BASED AS THEY MOVE EWD/ESEWD INTO LOW LEVEL
   MOISTURE/INSTABILITY AXIS EXTENDING INTO EAST CENTRAL KS WHERE
   SURFACE DEW POINTS ARE IN THE LOW/MID 70S AND MLCAPE IS 2500-3500
   J/KG.  THIS AREA IS ALONG THE SRN EDGE OF STRONGER WESTERLY FLOW
   ALOFT...AND WHEN COMBINED WITH THE LOW LEVEL EASTERLY WINDS IS
   RESULTING IN EFFECTIVE BULK SHEAR OF 35-45 KT.  THE ENVIRONMENT
   FAVORS DEVELOPMENT OF SUPERCELL STORMS CAPABLE OF PRODUCING LARGE
   HAIL AND DAMAGING WIND GUSTS.  IF STORMS CAN GROW UPSCALE...A BOWING
   MCS IS ALSO POSSIBLE WITH INCREASING THREAT OF MORE CONTINUOUS
   WIDESPREAD DAMAGING WINDS.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 600. MEAN STORM
   MOTION VECTOR 27020.
   
   
   ...WEISS
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