SEVERE THUNDERSTORM WATCH NUMBER 333
NWS STORM PREDICTION CENTER NORMAN OK
345 PM CDT WED MAY 25 2005
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
WESTERN AND CENTRAL TEXAS
EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 345 PM UNTIL
1100 PM CDT.

HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 5 MILES SOUTHEAST OF
WACO TEXAS TO 70 MILES NORTHWEST OF MIDLAND 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 330...WW 331...WW 332...
DISCUSSION...STORMS ARE EXPECTED TO DEVELOP DURING THE NEXT 1 TO 2
HOURS AS CONVERGENCE IS INCREASING NEAR A SURFACE LOW LOCATED
BETWEEN ABI AND SPS AND THE BOUNDARY THAT EXTENDS WWD FROM THE LOW
INTO WRN TX. AIR MASS HAS BECOME VERY UNSTABLE WITH MLCAPE VALUES
APPROACHING 3000 J/KG. THIS INSTABILITY COMBINED WITH STRONGLY
VEERING WIND PROFILES IN LOWER 3 KM IS FAVORABLE FOR SUPERCELLS WITH
VERY LARGE HAIL. THE STORM DOWNDRAFTS ARE EXPECTED TO MERGE DURING
THE EVENING WITH THE POTENTIAL FOR AN MCS DEVELOPING...THEN WIND
DAMAGE WILL BE THE MAIN THREAT.