WATCHES: Tornado Watch Number 245

WWUS20 KWNS 012316
SEL5
SPC WW 012316
OKZ000-020600-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 245
NWS STORM PREDICTION CENTER NORMAN OK
615 PM CDT THU MAY 1 2008

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

MUCH OF CENTRAL AND PARTS OF EASTERN OKLAHOMA

EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 615 PM
UNTIL 100 AM CDT.

TORNADOES...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 60 STATUTE
MILES EAST AND WEST OF A LINE FROM 20 MILES NORTH NORTHWEST OF
BARTLESVILLE OKLAHOMA TO 40 MILES WEST SOUTHWEST OF ARDMORE
OKLAHOMA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).

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 243...WW 244...

DISCUSSION...AIR MASS E OF DRY LINE VERY TO EXTREMELY UNSTABLE AND
WEAKLY CAPPED. STORMS WILL RAPIDLY DEVELOP VICINITY OF DRY LINE AS
STRONG WIND MAX ROTATES EWD ACROSS CENTRAL PLAINS AND ENHANCES BOTH
SHEAR AND ASCENT. SUPERCELLS ARE LIKELY WITH VERY LARGE HAIL AND
TORNADIC POTENTIAL.

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 22035.

...HALES

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