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WWUS20 KWNS 061838

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URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 241

NWS STORM PREDICTION CENTER NORMAN OK

1240 PM MDT FRI JUN 6 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  EASTERN COLORADO INCLUDING THE FRONT RANGE



* EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 1240 PM UNTIL

  800 PM MDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED LARGE HAIL LIKELY WITH 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 70

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

NORTHWEST OF AKRON COLORADO TO 45 MILES EAST SOUTHEAST OF

TRINIDAD 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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 239...WW 240...



DISCUSSION...STORMS ARE BEGINNING TO DEVELOP OVER THE ERN SLOPES OF

THE ROCKIES IN ADVANCE OF A SHORT WAVE TROUGH MOVING EWD ACROSS NRN

CO.  ADDITIONAL FORCING FOR LARGE SCALE ASCENT WILL OVERSPREAD SERN

CO IN ASSOCIATION WITH A SEPARATE TROUGH MOVING ACROSS NRN NM.

AMPLE LOW-LEVEL MOISTURE WITH SURFACE DEW POINTS IN THE 50S AND

VEERING WINDS WITH HEIGHT WILL PROMOTE DEVELOPMENT OF SEVERE STORMS

THIS AFTERNOON AND EVENING WITHIN A MODERATELY UNSTABLE ENVIRONMENT.

 LARGE HAIL AND DAMAGING WIND GUSTS WILL BE THE PRIMARY THREATS.



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 26025.





...WEISS

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