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WWUS20 KWNS 102036

SEL2

SPC WW 102036

TXZ000-110300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 292

NWS STORM PREDICTION CENTER NORMAN OK

335 PM CDT THU JUN 10 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       TEXAS PANHANDLE



EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 335 PM UNTIL

1000 PM CDT.



HAIL TO 1.5 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 45

STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES WEST

SOUTHWEST OF LUBBOCK TEXAS TO 50 MILES NORTH NORTHEAST OF BORGER

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.



DISCUSSION...VIGOROUS THUNDERSTORM DEVELOP EXPECTED TO CONTINUE TO

INCREASE ALONG/AHEAD OF THE DRYLINE ACROSS WRN PORTIONS OF THE TX

PNHDL ATTM. WHILE SHEAR IS NOT PARTICULARLY STRONG...VERY UNSTABLE

AIRMASS WITH MLCAPE IN EXCESS OF 1500 J/KG...AND DCAPE VALUES WELL

IN EXCESS OF 1000 J/KG...SHOULD RESULT IN POTENT STORM DOWNDRAFTS IN

VERY HOT AND DEEPLY MIXED BOUNDARY LAYER. EXPECT A FEW TO SEVERAL

STORMS TO PRODUCE SVR/DAMAGING WINDS INTO THE EARLY EVENING BEFORE

DIURNAL COOLING RESULTS IN A GRADUAL DECLINE IN CONVECTIVE

INTENSITY.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 20020.





...CARBIN

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