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WWUS20 KWNS 102242

SEL5

SPC WW 102242

COZ000-KSZ000-NEZ000-OKZ000-110500-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 545

NWS STORM PREDICTION CENTER NORMAN OK

545 PM CDT THU OCT 10 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  EXTREME EASTERN COLORADO

  WESTERN KANSAS

  SOUTHWEST NEBRASKA

  THE WESTERN AND CENTRAL OKLAHOMA PANHANDLE



* EFFECTIVE THIS THURSDAY AFTERNOON FROM 545 PM UNTIL MIDNIGHT

  CDT.



* PRIMARY THREATS INCLUDE...

  SEVERAL DAMAGING WIND GUSTS TO 70 MPH LIKELY



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 45

STATUTE MILES EAST AND WEST OF A LINE FROM 60 MILES NORTH

NORTHWEST OF NORTH PLATTE NEBRASKA TO 15 MILES WEST SOUTHWEST OF

GUYMON OKLAHOMA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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...A STRONG MIDLEVEL TROUGH AND ASSOCIATED COLD FRONT WILL

MOVE EWD ACROSS THE HIGH PLAINS THIS EVENING...AND A SQUALL LINE OF

THUNDERSTORMS IS EXPECTED TO FORM ALONG THE FRONT AS IT ENCOUNTERS

SOMEWHAT RICHER MOISTURE NEAR THE CO/KS BORDER BY 00Z.  GIVEN STRONG

WIND PROFILES AND RATHER MODEST INSTABILITY/ MOISTURE...DAMAGING

WINDS WILL BE THE MAIN SEVERE STORM THREAT.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS.

A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM MOTION

VECTOR 22040.





...THOMPSON

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