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Severe Thunderstorm Watch 73
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WW0073 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
High Moderate
Severe Hail 2"+ Hail
High 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.
   SEL3
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 73
   NWS STORM PREDICTION CENTER NORMAN OK
   120 PM CDT SUN MAR 31 2013
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          CENTRAL AND SOUTH CENTRAL TEXAS
   
   EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 120 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 15 MILES NORTHEAST
   OF HUNTSVILLE TEXAS TO 55 MILES WEST NORTHWEST OF DEL RIO TEXAS. 
   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.
   
   OTHER WATCH INFORMATION...CONTINUE...WW 72...
   
   DISCUSSION...TSTMS EXPECTED TO INCREASE IN COVERAGE AND STRENGTH
   ALONG AND S OF W-E BOUNDARY PROGRESSING SLOWLY SWD THROUGH CNTRL TX.
   ACTIVITY WILL BE PROMOTED BY STRONG SFC HEATING...BRANCH OF
   MOIST/SLY LLJ OVER DEEP S TX...AND ASCENT ASSOCIATED WITH SRN BRANCH
   UPR IMPULSE NOW PASSING THE TX BIG BEND. COUPLED WITH DEEP EML AND
   MODERATE WNWLY MID-LVL FLOW...INITIAL SETUP MAY SUPPORT SUSTAINED
   STORMS AND SUPERCELLS/STORM SPLITS WITH LARGE HAIL/HIGH WIND. SHEAR
   AND BOUNDARY STRENGTH/ORIENTATION SUGGEST EVENTUAL DEVELOPMENT OF AN
   MCS OR TWO...WITH EMBEDDED FORWARD-PROPAGATING SEGMENTS/LEWPS. THESE
   MAY...IN TIME...EXTEND THE SVR THREAT /DMGG WIND...HAIL...AND
   POSSIBLY A TORNADO/ SE TOWARD THE SAN ANTONIO/AUSTIN AREAS.
   
   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 500. MEAN STORM
   MOTION VECTOR 31035.
   
   
   ...CORFIDI
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