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488 

WWUS20 KWNS 222303

SEL7

SPC WW 222303

KSZ000-NEZ000-230600-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 347

NWS STORM PREDICTION CENTER NORMAN OK

555 PM CDT SAT JUN 22 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  NORTHWEST KANSAS

  SOUTHWEST...CENTRAL...AND NORTHEAST NEBRASKA



* EFFECTIVE THIS SATURDAY AFTERNOON AND SUNDAY MORNING FROM 555

  PM UNTIL 100 AM CDT.



* PRIMARY THREATS INCLUDE...

  SEVERAL TORNADOES WITH A FEW INTENSE TORNADOES POSSIBLE

  SEVERAL VERY LARGE HAIL EVENTS TO 3 INCHES IN DIAMETER POSSIBLE

  SEVERAL DAMAGING WIND GUSTS LIKELY WITH A FEW SIGNIFICANT GUSTS

    TO 75 MPH POSSIBLE



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 100 STATUTE

MILES EAST AND WEST OF A LINE FROM 40 MILES NORTH NORTHEAST OF

BURWELL NEBRASKA TO 60 MILES SOUTHEAST OF GOODLAND KANSAS.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU7).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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 343...WW 344...WW

345...WW 346...



DISCUSSION...TSTMS EXPECTED TO INCREASE IN COVERAGE THROUGH LATE

TNGT ALONG AND POSSIBLY N OF WSW-ENE OUTFLOW BOUNDARY THROUGH

CNTRL/ERN NEB. OTHER STORMS MAY FORM IN MORE DEEPLY-MIXED/HEATED

ENVIRONMENT ALONG LEE TROUGH IN NW KS. AMPLE SHEAR/INSTABILITY WILL

EXIST FOR SUSTAINED STORMS/SUPERCELLS IN BOTH AREAS...ALTHOUGH THE

GREATEST LIKELIHOOD FOR LOW-LVL MESOCYCLONES/TORNADOES SHOULD

DEVELOP ALONG OUTFLOW BOUNDARY LATER THIS EVE AS LLJ STRENGTHENS

WITH NOCTURNAL COOLING AND THE APPROACH OF NRN RCKYS SHORTWAVE

TROUGH.



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

SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

550. MEAN STORM MOTION VECTOR 26020.





...CORFIDI

