

225 

WWUS20 KWNS 141858

SEL0

SPC WW 141858

COZ000-150100-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 420

NWS STORM PREDICTION CENTER NORMAN OK

100 PM MDT MON JUL 14 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  CENTRAL AND SOUTHEAST COLORADO



* EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 100 PM UNTIL

  700 PM MDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55

STATUTE MILES EAST AND WEST OF A LINE FROM 15 MILES NORTHWEST OF

DENVER COLORADO TO 40 MILES EAST SOUTHEAST OF TRINIDAD COLORADO.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU0).



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 417...WW 418...WW 419...



DISCUSSION...THUNDERSTORMS ARE FORMING OVER THE HIGHER TERRAIN OF

THE FRONT RANGE...AS WELL AS OVER SOUTHEAST CO.  THIS ACTIVITY WILL

AFFECT THE WATCH AREA THROUGH THE EARLY EVENING...WITH SUFFICIENT

EFFECTIVE SHEAR FOR ORGANIZED/SUPERCELL STORMS.  HAIL AND DAMAGING

WINDS WILL BE POSSIBLE IN THE STRONGEST STORMS.



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

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

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

MOTION VECTOR 31030.





...HART

