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226 

WWUS20 KWNS 150448

SEL8

SPC WW 150448

IAZ000-KSZ000-MOZ000-NEZ000-151000-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 298

NWS STORM PREDICTION CENTER NORMAN OK

1150 PM CDT SAT JUN 14 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  WESTERN IOWA

  NORTHEAST KANSAS

  EXTREME NORTHWEST MISSOURI

  EAST AND SOUTHEAST NEBRASKA



* EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 1150 PM

  UNTIL 500 AM CDT.



* PRIMARY THREATS INCLUDE...

  WIDESPREAD DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTS

    TO 75 MPH POSSIBLE

  SCATTERED LARGE HAIL AND 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 65

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

SOUTHEAST OF CONCORDIA KANSAS TO 40 MILES NORTH NORTHEAST OF

DENISON IOWA.  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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 294...WW 296...WW 297...



DISCUSSION...WELL-DEVELOPED SQUALL LINE WITH EMBEDDED BOWING

SEGMENTS WILL CONTINUE EWD ACROSS ERN NEB/NE KS WITH A RISK FOR

WIDESPREAD DAMAGING WINDS.  LARGE HAIL WILL ALSO BE POSSIBLE WITH

THE STRONGER EMBEDDED STORMS.  AN ISOLATED TORNADO WILL BE POSSIBLE

WITH EMBEDDED MESOVORTICES...ESPECIALLY WHERE THE BOWING SEGMENT IN

S CENTRAL NEB INTERSECTS A REMNANT OUTFLOW BOUNDARY EXTENDING ENEWD

INTO E CENTRAL NEB.  THE SQUALL LINE WILL LIKELY REACH WRN

IA/EXTREME NW MO BEFORE WEAKENING DURING THE EARLY MORNING HOURS.



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

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65

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

MOTION VECTOR 27040.





...THOMPSON

