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WWUS20 KWNS 040552

SEL5

SPC WW 040552

KSZ000-MOZ000-NEZ000-041000-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 215

NWS STORM PREDICTION CENTER NORMAN OK

1250 AM CDT WED JUN 4 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  NORTHEAST KANSAS

  NORTHERN MISSOURI

  SOUTHEAST NEBRASKA



* EFFECTIVE THIS WEDNESDAY MORNING FROM 1250 AM UNTIL 500 AM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  ISOLATED VERY LARGE HAIL EVENTS TO 2.5 INCHES IN DIAMETER

    POSSIBLE

  A TORNADO OR TWO POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 35 MILES WEST

SOUTHWEST OF LINCOLN NEBRASKA TO 50 MILES SOUTHEAST OF

CHILLICOTHE MISSOURI.  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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 210...WW 211...WW

212...WW 213...WW 214...



DISCUSSION...A SEVERE MESOSCALE CONVECTIVE SYSTEM ACCOMPANIED BY

FLANKING SUPERCELLS WILL CONTINUE A STEADY SOUTHEASTWARD PROGRESSION

OVERNIGHT FROM SOUTHEAST NEB INTO NORTHEAST KS AND

NORTHWEST/NORTH-CENTRAL MO. A VERY UNSTABLE AIR MASS WILL CONTINUE

TO FEED THESE STORMS FROM THE WEST-SOUTHWEST...WITH A 65+ KT

LOW-LEVEL JET NOTED IN TOPEKA WSR-88D VWP DATA. DAMAGING WINDS WILL

BE THE PRIMARY IMPACT...WITH ISOLATED INSTANCES OF LARGE

HAIL/PERHAPS A TORNADO ALSO REMAINING POSSIBLE.



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 550. MEAN STORM

MOTION VECTOR 29035.





...GUYER

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