

000 

WWUS20 KWNS 221935

SEL6

SPC WW 221935

OKZ000-TXZ000-230300-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 336

NWS STORM PREDICTION CENTER NORMAN OK

230 PM CDT THU MAY 22 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       WESTERN OKLAHOMA

       EASTERN PANHANDLE AND NWRN TEXAS



EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 230 PM UNTIL

1000 PM CDT.



TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE

MILES EAST AND WEST OF A LINE FROM 50 MILES NORTH OF GAGE

OKLAHOMA TO 55 MILES SOUTHWEST OF WICHITA FALLS TEXAS.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU6).



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 334...WW 335...



DISCUSSION...STORMS ARE EXPECTED TO DEVELOP ALONG AND EAST OF THE

DRYLINE AS THE CAP SLOW ERODES...DUE TO LARGE SCALE LIFTING

ASSOCIATED WITH SHORTWAVE TROUGH MOVING NEWD INTO SERN CO. MODERATE

TO STRONG INSTABILITY AND DEEP LAYER SHEAR AT 40-45 KT WILL BE

FAVORABLE FOR SUPERCELLS WITH LARGE HAIL AND A FEW TORNADOES.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

550. MEAN STORM MOTION VECTOR 20030.





...IMY

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