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Severe Thunderstorm Watch 735
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WW0735 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.
   SEL5
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 735
   NWS STORM PREDICTION CENTER NORMAN OK
   1050 AM CDT WED AUG 26 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          SOUTHWEST LOUISIANA
          SOUTHEAST TEXAS
          COASTAL WATERS
   
   EFFECTIVE THIS WEDNESDAY MORNING AND EVENING FROM 1050 AM UNTIL
   600 PM CDT.
   
   HAIL TO 1.5 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 65
   STATUTE MILES EITHER SIDE OF A LINE FROM 30 MILES NORTH OF LAKE
   CHARLES LOUISIANA TO 65 MILES WEST NORTHWEST OF ANGLETON TEXAS. 
   FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU5).
   
   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...TSTMS DEVELOPING WITHIN MOIST AND MODERATELY UNSTABLE
   AIR MASS /MLCAPE APPROACHING 1500-2500 J PER KG/ ARE EXPECTED TO
   INCREASE IN COVERAGE AND INTENSITY TODAY WITH ACTIVITY
   MOVING/PROPAGATING SWD/SWWD TOWARD THE GULF COAST.  THE PRESENCE OF
   MODERATELY STRONG MID AND HIGH-LEVEL FLOW ON WRN PERIPHERY OF LOWER
   MS VALLEY VORTICITY MAXIMUM WILL SUPPORT THE EVOLUTION OF
   FORWARD-PROPAGATING STORM CLUSTERS AND PERHAPS SOME MARGINAL
   SUPERCELLS WITH THE THREAT FOR DAMAGING WIND GUSTS AND SOME HAIL.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
   MOTION VECTOR 02030.
   
   
   ...MEAD/WEISS
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