

000 

WWUS20 KWNS 020745

SEL9

SPC WW 020745

TXZ000-021300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 329

NWS STORM PREDICTION CENTER NORMAN OK

250 AM CDT SAT JUN 2 2007



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       WEST CENTRAL TEXAS



EFFECTIVE THIS SATURDAY MORNING FROM 250 AM UNTIL 800 AM CDT.



HAIL TO 2.5 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 80

STATUTE MILES EITHER SIDE OF A LINE FROM 65 MILES WEST NORTHWEST

OF BROWNWOOD TEXAS TO 55 MILES EAST NORTHEAST OF JUNCTION 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.



OTHER WATCH INFORMATION...THIS SEVERE THUNDERSTORM WATCH REPLACES

SEVERE THUNDERSTORM WATCH NUMBER 328. WATCH NUMBER 328 WILL NOT

BE IN EFFECT AFTER 250 AM CDT. CONTINUE...WW 327...



DISCUSSION...SLY LLJ REMAINS IN PLACE THROUGH 12Z...SUGGESTING

ONGOING STRONG TO SEVERE THUNDERSTORMS WILL PERSIST FOR SEVERAL

HOURS. ENVIRONMENT WILL FAVOR SLIGHTLY ELEVATED SUPERCELLS AND

POSSIBLE EVOLUTION INTO LINEAR MCS MOVING ACROSS WW EARLY THIS

MORNING.  VERY LARGE HAIL WILL BE POSSIBLE WITH SUPERCELL

STRUCTURES...WITH AN INCREASING WIND DAMAGE THREAT IF STORMS

CONSOLIDATE INTO A LINE.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 32025.





...EVANS

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