Wednesday, January 25, 2012

WATCHES: Tornado Watch Number 14

WWUS20 KWNS 250929
SEL4
SPC WW 250929
TXZ000-CWZ000-251700-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 14
NWS STORM PREDICTION CENTER NORMAN OK
320 AM CST WED JAN 25 2012

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

CENTRAL AND EASTERN TEXAS
COASTAL WATERS

EFFECTIVE THIS WEDNESDAY MORNING FROM 320 AM UNTIL 1100 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 85 STATUTE
MILES EAST AND WEST OF A LINE FROM 15 MILES SOUTH OF ALICE TEXAS
TO 60 MILES EAST NORTHEAST OF WACO TEXAS. FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU4).

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 13...

DISCUSSION...SEVERAL BANDS/CLUSTERS OF STRONG TO SVR TSTMS EXPECTED
OVER PARTS CNTRL AND E TX THROUGH THIS MORNING AS WIND FIELD AND UPR
DIFFLUENCE STRENGTHEN IN NE QUADRANT OF W TX UPR LOW. AS THE LOW
CONTINUES SLOWLY EWD...ASSOCIATED MID/UPR LVL JET STREAK WILL REFORM
ON ERN SIDE OF SYSTEM. COUPLED WITH INCREASINGLY MOIST LOW-LVL
CONFLUENT FLOW OVER THE NWRN GULF AND THE SRN/MIDDLE TX CSTL
PLN...SETUP MAY FOSTER AN INCREASING RISK FOR STORMS WITH LOW-LVL
MESOS GIVEN LIKELY PERSISTENCE OF SELY NEAR-SFC FLOW.
THE WRN-MOST SQLN...NOW EXTENDING FROM ABOUT 40 W TPL TO NEAR COT
SHOULD CONTINUE STEADILY EWD...EFFECTIVELY MARKING WRN EDGE OF RISK
AREA. BAND OF STORMS E OF THAT SQLN...ATTM EXTENDING SSWWD FROM E
OF AUS...IS EXPECTED TO INCREASE OVER THE NEXT FEW HOURS. WIND
PROFILES AND THERMODYNAMICS SUGGEST SOME POTENTIAL FOR EMBEDDED
LEWPS WITH DMGG WIND/ISOLD TORNADOES. TORNADOES ALSO WILL BE
POSSIBLE WITH ANY DISCRETE CELLS THAT ARISE LATER THIS MORNING IN
CONFLUENT FLOW FARTHER E TOWARD THE VCT/HOU AREAS.

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
500. MEAN STORM MOTION VECTOR 21040.


...CORFIDI

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