WATCHES: Tornado Watch Number 179

WWUS20 KWNS 242100
SEL9
SPC WW 242100
TXZ000-250400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 179
NWS STORM PREDICTION CENTER NORMAN OK
400 PM CDT TUE APR 24 2007

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

CENTRAL AND SOUTHERN TEXAS

EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 400 PM UNTIL
1100 PM CDT.

..THIS IS A PARTICULARLY DANGEROUS SITUATION...

DESTRUCTIVE TORNADOES...LARGE HAIL TO 3.5 INCHES IN DIAMETER...
THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE
POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 115 STATUTE
MILES EAST AND WEST OF A LINE FROM 55 MILES SOUTH SOUTHWEST OF
DEL RIO TEXAS TO 30 MILES NORTHWEST OF WACO TEXAS. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU9).

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 172...WW 173...WW
174...WW 175...WW 176...WW 177...WW 178...

DISCUSSION...SUPERCELLS WITH AN ATTENDANT THREAT FOR VERY LARGE
HAIL...HIGH WIND AND POSSIBLY A STRONG TORNADO OR TWO...WILL DEVELOP
OVER THE CNTRL/S TX AREA THROUGH THIS EVENING. CONTINUED SFC
HEATING...RICH MOISTURE INFLOW AND ARRIVAL OF SW TX UPR DISTURBANCE
SHOULD CREATE FAVORABLE ENVIRONMENT FOR A FEW LONG-LIVED
STORMS...ESPECIALLY ALONG WSW/ENE AXIS OVER CNTRL TX ALONG SRN
FRINGE OF STORMS THAT FORMED EARLIER IN THE DAY.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 24035.

..CORFIDI

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