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WWUS20 KWNS 060041

SEL8

SPC WW 060041

OKZ000-TXZ000-060800-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 468

NWS STORM PREDICTION CENTER NORMAN OK

740 PM CDT THU JUN 5 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       LARGE PART OF WESTERN AND NORTHERN OKLAHOMA

       A LARGE PART OF NORTHWESTERN TEXAS



EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 740 PM

UNTIL 300 AM CDT.



TORNADOES...HAIL TO 2.5 INCHES IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 90 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 30 MILES EAST NORTHEAST OF

PONCA CITY OKLAHOMA TO 40 MILES WEST SOUTHWEST OF ABILENE TEXAS.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU8).



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...THIS TORNADO WATCH REPLACES TORNADO

WATCH NUMBER 462...TORNADO WATCH NUMBER 465. WATCH NUMBER 462 465

WILL NOT BE IN EFFECT AFTER 740 PM CDT. CONTINUE...WW 466...WW

467...



DISCUSSION...WATER VAPOR INDICATES VIGOROUS VORT/WIND MAX MOVING EWD

ACROSS TX PANHANDLE.  SEVERE THUNDERSTORMS ONGOING WRN PORTION OF

WATCH WILL RESPOND TO THE MID LEVEL COOLING AND ASCENT INCREASING

POTENTIAL FOR TORNADOES AND CONTINUED THREAT OF VERY STRONG/DAMAGING

WINDS AS THE LINE MOVES EWD ACROSS THE WATCH EARLY TONIGHT.



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

SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 80 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

550. MEAN STORM MOTION VECTOR 22040.





...HALES

