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656 

WWUS20 KWNS 142112

SEL1

SPC WW 142112

KSZ000-OKZ000-TXZ000-150400-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 411

NWS STORM PREDICTION CENTER NORMAN OK

410 PM CDT SUN JUN 14 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       MUCH OF WESTERN KANSAS

       PARTS OF NORTHWEST OKLAHOMA INCLUDING THE PANHANDLE

       PARTS OF THE NORTHERN TEXAS PANHANDLE



EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 410 PM UNTIL

1100 PM CDT.



TORNADOES...HAIL TO 3.5 INCHES IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE

MILES EAST AND WEST OF A LINE FROM 40 MILES WEST SOUTHWEST OF

GAGE OKLAHOMA TO 40 MILES WEST NORTHWEST OF HILL CITY KANSAS.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU1).



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 407...WW 408...WW

409...WW 410...



DISCUSSION...DRY LINE IS PUSHING INTO WATCH AREA AND RAPID

DESTABILIZATION TAKING PLACE ACROSS THE WATCH.  WITH FAVORABLE

SHEAR...THUNDERSTORMS WILL RAPIDLY DEVELOP WITH SUPERCELLS LIKELY.

IN ADDITION TO VERY LARGE HAIL...TORNADOES WILL BE POSSIBLE WITH ANY

SUPERCELL.  STORMS WILL DEVELOP EWD ACROSS THE WATCH DURING THE

EVENING.



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

SURFACE AND ALOFT TO 3.5 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

600. MEAN STORM MOTION VECTOR 25030.





...HALES

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