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Severe Thunderstorm Watch 74
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WW0074 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.
   SEL4
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 74
   NWS STORM PREDICTION CENTER NORMAN OK
   245 PM CDT SUN MAR 31 2013
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          COASTAL SOUTHWEST LOUISIANA
          UPPER AND NORTHERN MIDDLE TEXAS GULF COASTAL PLAIN
          COASTAL WATERS
   
   EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 245 PM UNTIL
   1000 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 45
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 50 MILES EAST
   SOUTHEAST OF LAFAYETTE LOUISIANA TO 60 MILES WEST NORTHWEST OF
   ANGLETON TEXAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).
   
   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...WW 73...
   
   DISCUSSION...TSTMS NOW FORMING ALONG W-E FRONT SAGGING SLOWLY S
   ACROSS E TX /NEAR BRYAN-COLLEGE STATION/ EXPECTED TO INCREASE IN
   COVERAGE/STRENGTH DURING THE NEXT FEW HOURS AS SFC HEATING CONTINUES
   S OF BOUNDARY AND AS ASCENT INCREASES WITH CONTINUED EWD MOTION OF
   SW TX UPR IMPULSE. STEEP MID LVL LAPSE RATES...FAIRLY RICH LOW-LVL
   MOISTURE...AND LARGELY UNIDIRECTIONAL CLOUD-LAYER FLOW ALSO SUGGEST
   POTENTIAL FOR HAIL AND POSSIBLY LOCALLY DMGG WIND. WHILE INDIVIDUAL
   STORMS SHOULD MOVE MAINLY E OR ESEWD...CONSOLIDATION OF STORM COLD
   POOLS MAY SHIFT PROPAGATIONAL COMPONENT OF OVERALL STORM CLUSTER/MCS
   MOTION A BIT FARTHER TO THE S. THIS MOTION WOULD CAUSE STORMS TO
   IMPACT AREAS S OF EXISTING WWS 72 AND 73 ALONG THE UPR AND NRN
   MIDDLE TX GULF CSTL PLN AND SW LA LATER THIS AFTN THROUGH EARLY
   TNGT.
   
   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 30035.
   
   
   ...CORFIDI
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Page last modified: April 01, 2013
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