

000 

WWUS20 KWNS 141916

SEL3

SPC WW 141916

KSZ000-OKZ000-150200-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 703

NWS STORM PREDICTION CENTER NORMAN OK

215 PM CDT SUN OCT 14 2007



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       MUCH OF CENTRAL AND PARTS OF EASTERN KANSAS

       PARTS OF NORTHERN OKLAHOMA



EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 215 PM UNTIL 900

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 65

STATUTE MILES EAST AND WEST OF A LINE FROM 45 MILES NORTHEAST OF

CONCORDIA KANSAS TO 20 MILES SOUTHEAST OF ENID OKLAHOMA.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU3).



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...THUNDERSTORMS EXPECTED TO DEVELOP RAPIDLY ALONG/AHEAD

OF N/S COLD FRONT THRU CENTRAL KS TO NWRN OK.  WITH AIR MASS NOW

MDTLY UNSTABLE AND THE CAP WEAKENING IN ADVANCE OF APPROACHING UPPER

TROUGH...SEVERE THUNDERSTORMS ALONG WITH ISOLATED SUPERCELLS ARE

LIKELY.  PRIMARY THREAT WILL BE LARGE HAIL AND LOCAL 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 500. MEAN STORM

MOTION VECTOR 22035.





...HALES

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