Severe Local Storm Watch and Watch Cancellation Msg
Issued by NWS

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WWUS20 KWNS 222027
SEL3
SPC WW 222027
COZ000-KSZ000-NEZ000-230400-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 473
NWS STORM PREDICTION CENTER NORMAN OK
325 PM CDT FRI AUG 22 2014

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
  NORTHEAST COLORADO
  NORTHWEST KANSAS
  SOUTHWEST AND SOUTH-CENTRAL NEBRASKA

* EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 325 PM UNTIL
  1100 PM CDT.

* PRIMARY THREATS INCLUDE...
  ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE
  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
  A TORNADO OR TWO POSSIBLE

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 70
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 45 MILES SOUTH
SOUTHWEST OF AKRON COLORADO TO 5 MILES EAST SOUTHEAST OF GRAND
ISLAND NEBRASKA.  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...THUNDERSTORMS ARE EXPECTED TO INCREASE IN COVERAGE AND
INTENSITY TO THE NORTH OF A SURFACE LOW AND ASSOCIATED STATIONARY
FRONT AS DEEP-LAYER ASCENT IS ENHANCED BY THE APPROACH OF A
SHORT-WAVE TROUGH. THE COMBINATION OF A MOIST AND MODERATELY
UNSTABLE AIR MASS AND VERTICALLY VEERING WIND PROFILE WILL PROMOTE
ORGANIZED STORM MODES INCLUDING SUPERCELLS CAPABLE OF LARGE HAIL AND
PERHAPS A TORNADO OR TWO. WITH TIME...STORMS MAY GROW UPSCALE INTO A
NORTHEAST-MOVING BOWING MCS CAPABLE OF DAMAGING WINDS 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 23025.


...MEAD


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