SEL2
SPC WW 092024
OKZ000-TXZ000-100400-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 152
NWS STORM PREDICTION CENTER NORMAN OK
325 PM CDT MON APR 9 2012
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTHWEST OKLAHOMA
WEST TEXAS INCLUDING THE PANHANDLE
EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 325 PM UNTIL
1100 PM 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 100
STATUTE MILES EAST AND WEST OF A LINE FROM 50 MILES NORTHWEST OF
CLINTON OKLAHOMA TO 30 MILES EAST SOUTHEAST OF LUBBOCK 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...CONTINUE...WW 151...
DISCUSSION...THUNDERSTORMS ARE INTENSIFYING THIS AFTERNOON ACROSS
WEST TX AS WEAK ASCENT SPREADS EASTWARD INTO A MODERATELY UNSTABLE
AIR MASS. STEEP LOW/MID LEVEL LAPSE RATES AND SUFFICIENT EFFECTIVE
SHEAR WILL PROMOTE A RISK OF ORGANIZED/SUPERCELL STORMS CAPABLE OF
LARGE HAIL AND DAMAGING WINDS PERSISTING THROUGH MUCH OF THE
EVENING.
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.
...HART
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