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Severe Thunderstorm Watch 79
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WW0079 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Low
Severe Wind 65 kt+ Wind
High Moderate
Severe Hail 2"+ Hail
High Moderate

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL9
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 79
   NWS STORM PREDICTION CENTER NORMAN OK
   235 PM CDT TUE APR 2 2013
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          SOUTHERN AND CENTRAL TEXAS
   
   EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 235 PM UNTIL
   1100 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 185
   STATUTE MILES EAST AND WEST OF A LINE FROM 75 MILES EAST
   NORTHEAST OF SAN ANGELO TEXAS TO 5 MILES EAST OF DEL RIO TEXAS. 
   FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU9).
   
   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 EXPECTED TO INCREASE IN SEVERAL PARTS OF WW AREA
   THROUGH THIS EVE: /1/ ALONG LEE TROUGH/DRY LINE NEAR THE DAVIS
   MOUNTAINS AS MID-LVL COOLING ASCENT WITH NRN MEXICO/CHIHUAHUA UPR
   IMPULSE AND SFC HEATING FURTHER DESTABILIZE REGION OF MOIST UPSLOPE
   FLOW.../2/ ALONG AND N OF W-E COLD FRONT ADVANCING SLOWLY S THROUGH
   THE SRN EDWARDS PLATEAU/HILL COUNTRY...AND /3/ ALONG WEAK NW/SE WARM
   FRONT/DIFFERENTIAL HEATING BOUNDARY OVER THE ERN HILL COUNTRY INTO
   THE WRN PORTIONS OF THE MIDDLE TX CSTL PLN.
   MODERATE /25-35 KT/ WLY DEEP SHEAR AND SUSTAINED...SEASONABLY MOIST
   LOW-LVL INFLOW SUGGEST GOOD POTENTIAL FOR A FEW SUPERCELLS WITH
   LARGE HAIL/LOCALLY DMGG WIND. THIS ACTIVITY SHOULD MERGE INTO ONE OR
   TWO SIZABLE MCSS BY MID EVE. A TORNADO OR TWO ALSO CANNOT BE RULED
   OUT LATER THIS AFTN...BOTH IN THE BIG BEND REGION WHERE LOW-LVL
   LAPSE RATES WILL BE MAXIMIZED UNDER PARTLY CLEAR SKIES...AND IN ERN
   QUARTER OF WW...INVOF DIFFUSE WARM FRONT. ENVIRONMENT AND STORM
   CHARACTER IN THESE AREAS WILL BE MONITORED FOR POSSIBLE WATCH
   UPGRADES.
   
   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 550. MEAN STORM
   MOTION VECTOR 29025.
   
   
   ...CORFIDI
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