

304 

WWUS20 KWNS 252218

SEL7

SPC WW 252218

COZ000-260400-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 477

NWS STORM PREDICTION CENTER NORMAN OK

420 PM MDT MON AUG 25 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  EAST CENTRAL COLORADO



* EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 420 PM UNTIL

  1000 PM MDT.



* PRIMARY THREATS INCLUDE...

  ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 45 MILES WEST

SOUTHWEST OF LIMON COLORADO TO 15 MILES SOUTHEAST OF BURLINGTON

COLORADO.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).



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 476...



DISCUSSION...CONVECTION MOVING OFF THE FRONT RANGE SHOULD INTENSIFY

THIS AFTERNOON/EVENING WHILE MOVING INTO SOMEWHAT GREATER

INSTABILITY AND DEEP-LAYER VERTICAL SHEAR ALONG THE I-70 CORRIDOR

INTO E CENTRAL CO.  THE ENVIRONMENT WILL FAVOR SUPERCELLS WITH A

RISK FOR LARGE HAIL AND A FEW DAMAGING GUSTS INTO EARLY TONIGHT.



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 27020.





...THOMPSON



942 

WWUS20 KWNS 252218

SEL7

SPC WW 252218

COZ000-260400-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 477

NWS STORM PREDICTION CENTER NORMAN OK

420 PM MDT MON AUG 25 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  EAST CENTRAL COLORADO



* EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 420 PM UNTIL

  1000 PM MDT.



* PRIMARY THREATS INCLUDE...

  ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 45 MILES WEST

SOUTHWEST OF LIMON COLORADO TO 15 MILES SOUTHEAST OF BURLINGTON

COLORADO.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).



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 476...



DISCUSSION...CONVECTION MOVING OFF THE FRONT RANGE SHOULD INTENSIFY

THIS AFTERNOON/EVENING WHILE MOVING INTO SOMEWHAT GREATER

INSTABILITY AND DEEP-LAYER VERTICAL SHEAR ALONG THE I-70 CORRIDOR

INTO E CENTRAL CO.  THE ENVIRONMENT WILL FAVOR SUPERCELLS WITH A

RISK FOR LARGE HAIL AND A FEW DAMAGING GUSTS INTO EARLY TONIGHT.



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 27020.





...THOMPSON

