Monday, November 10, 2008

WATCHES: Tornado Watch Number 930

WWUS20 KWNS 110037
SEL0
SPC WW 110037
TXZ000-110800-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 930
NWS STORM PREDICTION CENTER NORMAN OK
640 PM CST MON NOV 10 2008

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

CENTRAL TEXAS

EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 640 PM UNTIL
200 AM CST.

TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 45 MILES SOUTH SOUTHEAST OF
DALLAS TEXAS TO 45 MILES SOUTHWEST OF BROWNWOOD TEXAS. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU0).

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND 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.

OTHER WATCH INFORMATION...CONTINUE...WW 929...

DISCUSSION...LINE OF INTENSE THUNDERSTORMS EXTENDS FROM EAST OF SJT
TO WEST OF DFW. THESE STORMS WILL REMAIN STRONG THROUGH THE EVENING
AS LOW LEVEL MOISTURE AND INSTABILITY SLOWLY INCREASE OVER WATCH
AREA. FAVORABLE LOW LEVEL AND EFFECTIVE SHEAR WILL PROMOTE
SUPERCELLS CAPABLE OF DAMAGING WINDS...HAIL...AND THE POSSIBILITY OF
TORNADOES.

AVIATION...TORNADOES AND 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
400. MEAN STORM MOTION VECTOR 25030.


...HART

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