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WWUS20 KWNS 082033

SEL8

SPC WW 082033

KSZ000-OKZ000-TXZ000-090400-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 288

NWS STORM PREDICTION CENTER NORMAN OK

330 PM CDT SAT JUN 8 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  CENTRAL AND SOUTHERN KANSAS

  WESTERN OKLAHOMA AND THE OKLAHOMA PANHANDLE

  WEST TEXAS AND THE TEXAS PANHANDLE



* EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 330 PM UNTIL

  1100 PM CDT.



* PRIMARY THREATS INCLUDE...

  SEVERAL LARGE HAIL EVENTS LIKELY WITH A FEW VERY LARGE HAIL

    EVENTS TO 2 INCHES IN DIAMETER POSSIBLE

  SEVERAL DAMAGING WIND GUSTS TO 70 MPH LIKELY

  A FEW TORNADOES POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 75

STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES NORTHWEST OF

SALINA KANSAS TO 60 MILES SOUTH OF AMARILLO TEXAS.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU8).



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...TSTMS EXPECTED TO FORM AND/OR INCREASE IN

COVERAGE/STRENGTH DURING THE NEXT FEW HOURS ALONG DEEP WIND

SHIFT/COLD FRONT IN KS ASSOCIATED WITH AMPLIFYING NEB UPR VORT.

ADDITIONAL STORMS MAY FORM ALONG LEE TROUGH/DRY LINE SWD INTO W

CNTRL TX. 40-50 KT DEEP NWLY SHEAR...WITH A LARGE...DEEP DIRECTIONAL

COMPONENT SHOULD PROMOTE DEVELOPMENT OF A FEW SUPERCELLS WITH LARGE

HAIL/HIGH WIND AND POSSIBLY A TORNADO OR TWO. THE STORMS SHOULD

ORGANIZE INTO A E/SE-MOVING LINE OR TWO BY EARLY EVE...WITH A

CONTINUING RISK FOR SVR WIND/HAIL.



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

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 28025.





...CORFIDI

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