WATCHES: Severe Thunderstorm Watch Number 132

WWUS20 KWNS 130447
SEL2
SPC WW 130447
NMZ000-OKZ000-TXZ000-131200-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 132
NWS STORM PREDICTION CENTER NORMAN OK
1150 PM CDT THU APR 12 2007

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

SMALL PART OF SOUTHEASTERN NEW MEXICO
SMALL PART OF SOUTHWEST OKLAHOMA
NORTHWEST TEXAS INCLUDING SOUTHERN PANHANDLE

EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 1150 PM
UNTIL 700 AM CDT.

HAIL TO 2 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 115
STATUTE MILES EAST AND WEST OF A LINE FROM 70 MILES NORTHWEST OF
CHILDRESS TEXAS TO 55 MILES WEST SOUTHWEST OF SAN ANGELO TEXAS.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU2).

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 131. WATCH NUMBER 131 WILL NOT
BE IN EFFECT AFTER 1150 PM CDT.

DISCUSSION...MOISTURE AND INSTABILITY CONTINUES TO INCREASE ACROSS
WATCH AREA ON 50KT LOW LEVEL JET. WITH APPROACH OF STRONG UPPER
SYSTEM OVER AZ...EXPECT SEVERE THUNDERSTORMS TO CONTINUE ACROSS SRN
PANHANDLE AND DEVELOP SOUTHWARD IN RESPONSE TO LARGE SCALE ASCENT
WITH APPROACHING TROUGH. SUPERCELLS ARE LIKELY GIVEN VERY STRONG
SHEAR AND STEEP LAPSE RATES SUPPORTING LARGE HAIL AND DAMAGING
WINDS.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM
MOTION VECTOR 24035.

..HALES

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