WATCHES: Severe Thunderstorm Watch Number 448

WWUS20 KWNS 262111
SEL8
SPC WW 262111
COZ000-KSZ000-NEZ000-WYZ000-270400-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 448
NWS STORM PREDICTION CENTER NORMAN OK
310 PM MDT FRI JUL 26 2013

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHEASTERN COLORADO
EXTREME NORTHWESTERN KANSAS
SOUTHWESTERN NEBRASKA
SOUTHEASTERN WYOMING

* EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 310 PM UNTIL
1000 PM MDT.

* PRIMARY THREATS INCLUDE...
SEVERAL DAMAGING WIND GUSTS WITH A FEW SIGNIFICANT GUSTS TO 75
MPH POSSIBLE
SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 2
INCHES IN DIAMETER POSSIBLE

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 70
STATUTE MILES EAST AND WEST OF A LINE FROM 10 MILES NORTH
NORTHEAST OF TORRINGTON WYOMING TO 55 MILES SOUTHEAST OF AKRON
COLORADO. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).

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 447...

DISCUSSION...TSTMS ARE INCREASING IN COVERAGE/INTENSITY AND MOVING
SEWD OFF LARAMIE RANGE IN SERN WY...ALONG AND NE OF WELL-DEFINED
BAROCLINIC BOUNDARY THAT EXTENDS SEWD OVER NERN CO. ACTIVITY SHOULD
POSE INCREASING SVR THREAT AS IT MOVES INTO FAVORABLY
BUOYANT/SHEARED AIR MASS NE OF BOUNDARY...WITH MLCAPE TO NEAR 1500
J/KG...SELY SFC WINDS TO ENHANCE STORM-RELATIVE INFLOW...AND 40-50
KT EFFECTIVE SHEAR MAGNITUDES.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 32030.


...EDWARDS

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