

000 

WWUS20 KWNS 210008

SEL8

SPC WW 210008

OKZ000-TXZ000-210400-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 588

NWS STORM PREDICTION CENTER NORMAN OK

710 PM CDT FRI JUN 20 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       OKLAHOMA PANHANDLE

       NORTHERN TEXAS PANHANDLE



EFFECTIVE THIS FRIDAY EVENING FROM 710 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 60

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 35 MILES NORTHWEST

OF DALHART TEXAS TO 80 MILES SOUTHEAST OF LIBERAL KANSAS.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU8).



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 584...WW 585...WW 587...



DISCUSSION...CLUSTER OF SEVERE THUNDERSTORMS APPROACHING GUYMON OK

WILL TRACK SOUTHEASTWARD INTO THE TX PANHANDLE THROUGH THE EVENING.

SUPERCELLS CAPABLE OF LARGE HAIL ARE EXPECTED.  FARTHER

WEST...SCATTERED THUNDERSTORMS DEVELOPING OVER NORTHEAST

NM/SOUTHEAST CO MAY SPREAD INTO REGION DURING THE EVENING WITH A

RISK OF ISOLATED HAIL AND GUSTY/DAMAGING WINDS.



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 450. MEAN STORM

MOTION VECTOR 32035.





...HART

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