

901 

WWUS20 KWNS 142029

SEL3

SPC WW 142029

COZ000-NEZ000-WYZ000-150400-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 293

NWS STORM PREDICTION CENTER NORMAN OK

230 PM MDT SAT JUN 14 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  NORTHEAST COLORADO

  SOUTHERN NEBRASKA PANHANDLE

  FAR SOUTHEAST WYOMING



* EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 230 PM UNTIL

  1000 PM MDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2.5

    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 60

STATUTE MILES EAST AND WEST OF A LINE FROM 55 MILES NORTHWEST OF

SIDNEY NEBRASKA TO 50 MILES SOUTH SOUTHEAST OF LIMON COLORADO.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU3).



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...TSTMS CURRENTLY DEVELOPING ALONG THE HIGH TERRAIN FROM

THE CHEYENNE RIDGE TO PALMER DIVIDE ARE EXPECTED TO INTENSIFY AS

THEY MOVE EWD INTO AN INCREASINGLY MOIST AND UNSTABLE POST-FRONTAL

AIR MASS. THE PRESENCE OF STRONG VERTICAL SHEAR WILL SUPPORT

SUPERCELL STRUCTURES WITH A RISK FOR LARGE HAIL...DAMAGING

WINDS...AND PERHAPS A TORNADO OR TWO.



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 500. MEAN STORM

MOTION VECTOR 26030.





...MEAD

