

718 

WWUS20 KWNS 232209

SEL1

SPC WW 232209

COZ000-KSZ000-NEZ000-WYZ000-240500-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 351

NWS STORM PREDICTION CENTER NORMAN OK

410 PM MDT MON JUN 23 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  EASTERN COLORADO

  WESTERN KANSAS

  SOUTHWESTERN NEBRASKA

  SOUTHEAST WYOMING



* EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 410 PM UNTIL

  1100 PM MDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2

    INCHES IN DIAMETER POSSIBLE

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH 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 60 MILES NORTH

NORTHEAST OF CHEYENNE WYOMING TO 35 MILES WEST SOUTHWEST OF

SPRINGFIELD COLORADO.  FOR A COMPLETE DEPICTION OF THE WATCH SEE

THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).



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...STORMS NOW DEVELOPING ALONG AND EAST OF THE FRONT RANGE

ARE EXPECTED TO GRADUALLY STRENGTHEN THROUGH EARLY EVENING IN THE

PRESENCE OF INCREASING INSTABILITY AND MODERATELY LARGE SHEAR.

AIDED BY NOCTURNAL SOUTHERLY LOW-LEVEL JET STRENGTHENING...ACTIVITY

MAY EVENTUALLY CONSOLIDATE INTO A MORE ORGANIZED SOUTH SOUTHEASTWARD

PROPAGATING MESOSCALE CONVECTIVE SYSTEM...WITH THE RISK FOR SEVERE

WIND GUST AND 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 31020.





...KERR

