Tornado Watch 14

Issued

Jan 25, 2012, 3:17 AM CST (09:17 UTC)

Expired

Jan 25, 2012, 2:00 PM CST

In force

11 hr

Issued by

the Storm Prediction Center

Largest hail expected

1.5 in

Strongest gust expected

60 kt

The Austin/San Antonio radar (KEWX), 62 km from the middle of the area, began a volume at 09:20 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Two or more tornadoes

40%

One or more EF2 to EF5 tornadoes

20%

Ten or more severe wind reports

40%

One or more gusts of 65 knots or more

10%

Ten or more severe hail reports

20%

One or more hailstones of 2 inches or more

5%

Six or more combined severe hail and wind reports

90%

• Mesoscale Discussion 65Jan 24, 11:34 PM CST
• Mesoscale Discussion 66Jan 25, 2:12 AM CST
• Mesoscale Discussion 67Jan 25, 7:13 AM CST
• Mesoscale Discussion 68Jan 25, 10:09 AM CST
• Mesoscale Discussion 69Jan 25, 11:24 AM CST

171 
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

Tornado Watches in Texas, 2012Every tornado watch in 2012

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.