WATCHES: Severe Thunderstorm Watch Number 264

WWUS20 KWNS 060132
SEL4
SPC WW 060132
NMZ000-OKZ000-TXZ000-060700-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 264
NWS STORM PREDICTION CENTER NORMAN OK
830 PM CDT MON MAY 5 2008

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

PARTS OF SOUTHEAST NEW MEXICO
PARTS OF NORTHWEST OKLAHOMA
MUCH OF TEXAS PANHANDLE

EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 830 PM UNTIL
200 AM CDT.

HAIL TO 2.5 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 90
STATUTE MILES EAST AND WEST OF A LINE FROM 55 MILES NORTH
NORTHWEST OF GAGE OKLAHOMA TO 25 MILES SOUTH OF HOBBS NEW MEXICO.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU4).

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 262. WATCH NUMBER 262 WILL NOT
BE IN EFFECT AFTER 830 PM CDT. CONTINUE...WW 261...WW 263...

DISCUSSION...CLUSTERS OF SEVERE THUNDERSTORMS INCLUDING SUPERCELLS
CONTINUE TO DEVELOP EWD INTO TX PANHANDLE AND SEWD OUT OF KS INTO
NWRN OK. WITH LOW LEVEL JET EXPECTED TO INCREASE TO 30-40KT AND
CONTINUING FLUX OF MDTLY UNSTABLE GULF AIR MASS...THREAT FOR SEVERE
WILL CONTINUE FOR SEVERAL MORE HOURS. DEVELOPMENT OF COLD POOLS
WOULD INCREASE THE WIND DAMAGE POTENTIAL.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 27025.

...HALES

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