WATCHES: Tornado Watch Number 251

WWUS20 KWNS 070454
SEL1
SPC WW 070454
OKZ000-TXZ000-071000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 251
NWS STORM PREDICTION CENTER NORMAN OK
1155 PM CDT SUN MAY 6 2007

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

WESTERN AND CENTRAL OKLAHOMA
WESTERN NORTH TEXAS

EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 1155 PM UNTIL
500 AM CDT.

TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 60 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 40 MILES SOUTH OF ALTUS
OKLAHOMA TO CHANDLER OKLAHOMA. FOR A COMPLETE DEPICTION OF THE
WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).

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 248...WW 249...WW 250...

DISCUSSION...SCTD SHOWERS/TSTMS HAVE DEVELOPED IN THE PAST HOUR IN
MOIST/UNSTABLE ENVIRONMENT ALONG THE I-44 CORRIDOR. WEAKLY
CONFLUENT NEAR-SFC FLOW...RICH MOISTURE...PROXIMITY OF 50 KT LLJ AND
DISCRETE NATURE OF CONVECTION SUGGEST POTENTIAL FOR ISOLATED
TORNADOES.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 50 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 21030.

..CORFIDI

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