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051 

WWUS20 KWNS 222052

SEL7

SPC WW 222052

KSZ000-OKZ000-TXZ000-230300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 347

NWS STORM PREDICTION CENTER NORMAN OK

350 PM CDT SUN JUN 22 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  WESTERN AND CENTRAL KANSAS

  NORTHWEST OKLAHOMA AND THE OKLAHOMA PANHANDLE

  TEXAS PANHANDLE



* EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 350 PM UNTIL

  1000 PM CDT.



* PRIMARY THREATS INCLUDE...

  WIDESPREAD DAMAGING WIND GUSTS TO 70 MPH LIKELY

  SCATTERED LARGE HAIL LIKELY WITH ISOLATED VERY LARGE HAIL EVENTS

    TO 2 INCHES IN DIAMETER POSSIBLE

  A TORNADO OR TWO POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 95

STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES NORTHWEST OF

RUSSELL KANSAS TO 25 MILES EAST OF AMARILLO TEXAS.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU7).



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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 345...WW 346...



DISCUSSION...STRONG STORMS ARE DEVELOPING FROM SWRN KS AND THE TX/OK

PANHANDLES NEWD INTO CENTRAL KS WITHIN A VERY UNSTABLE ENVIRONMENT

WITH CAPE OF 2000-3000 J/KG.  25-30 KT WEST/NORTHWEST MID-LEVEL

WINDS ARE CONTRIBUTING TO EFFECTIVE SHEAR OF 30-35 KT WHICH WILL

PROMOTE ORGANIZED MULTICELL AND OCCASIONAL SUPERCELL STRUCTURES.

ACTIVITY IS EXPECTED TO CONTINUE INCREASING WITH POTENTIAL FOR LARGE

HAIL AND DAMAGING WIND GUSTS.  IN ADDITION...UPSTREAM SEVERE STORMS

OVER ERN CO ARE EXPECTED TO GROW UPSCALE AND MOVE EWD/SEWD AS A

FORWARD PROPAGATING QLCS BY LATE THIS AFTERNOON AND EVENING...MOVING

INTO WRN PARTS OF THE WATCH DURING THE EVENING WITH A MORE

WIDESPREAD THREAT FOR DAMAGING WIND GUSTS.



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 550. MEAN STORM

MOTION VECTOR 28025.





...WEISS

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