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Severe Thunderstorm Watch 241
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WW0241 Radar
Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
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   SEL1
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 241
   NWS STORM PREDICTION CENTER NORMAN OK
   435 AM CDT SUN APR 27 2008
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          CENTRAL AND SOUTHERN TEXAS
   
   EFFECTIVE THIS SUNDAY MORNING FROM 435 AM UNTIL NOON 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 75
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 80 MILES NORTH
   NORTHWEST OF DEL RIO TEXAS TO 65 MILES NORTH OF PALACIOS TEXAS. 
   FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU1).
   
   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...THIS SEVERE THUNDERSTORM WATCH REPLACES
   SEVERE THUNDERSTORM WATCH NUMBER 240. WATCH NUMBER 240 WILL NOT
   BE IN EFFECT AFTER 435 AM CDT. 
   
   DISCUSSION...SCTD SMALL CLUSTERS OF STRONG TO SVR STORMS...INCLUDING
   POSSIBLE SUPERCELLS...EXPECTED TO CONTINUE FORMING IN ZONE OF
   LOW-LVL WAA AND MOISTENING OVER THE TX HILL COUNTRY.  THE
   STRONGEST/MOST SUSTAINED STORMS SHOULD MOVE/DEVELOP SE ALONG
   MOISTURE GRADIENT NEAR SAT TO THE MIDDLE TX GULF CST NEAR VCT. 
   OTHER STORMS MAY FORM ATOP SHALLOW COLD FRONT SURGING S TOWARD THE
   BIG BEND REGION...AND POSSIBLY E ALONG WEAK FRONT FROM W OF TPL TO
   NEAR CLL.  BOWING STRUCTURES MAY YIELD HIGH WIND AND POSSIBLY A
   BRIEF TORNADO IN ADDITION TO SVR HAIL.
   
   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 30030.
   
   
   ...CORFIDI
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