WW 276 SEVERE TSTM CO KS 042155Z – 050500Z
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 276
NWS STORM PREDICTION CENTER NORMAN OK
355 PM MDT TUE JUN 4 2013
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
EASTERN COLORADO
WESTERN KANSAS
* EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 355 PM UNTIL
1100 PM MDT.
* PRIMARY THREATS INCLUDE...
SEVERAL LARGE HAIL EVENTS LIKELY WITH A FEW VERY LARGE HAIL
EVENTS TO 2 INCHES IN DIAMETER POSSIBLE
SEVERAL DAMAGING WIND GUSTS TO 70 MPH LIKELY
A FEW TORNADOES POSSIBLE
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 90
STATUTE MILES EAST AND WEST OF A LINE FROM 45 MILES NORTH
NORTHWEST OF GOODLAND KANSAS TO 5 MILES EAST SOUTHEAST OF ELKHART
KANSAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED
WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).
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...THUNDERSTORM INITIATION IS UNDERWAY NEAR THE COLORADO
FRONT RANGE...AND FURTHER DEVELOPMENT AND UPSCALE CONVECTIVE GROWTH
IS EXPECTED LATE THIS AFTERNOON AND EVENING...AS IT SPREADS EASTWARD
INTO THE HIGH PLAINS...WITHIN A MODERATELY UNSTABLE AND STRONGLY
SHEARED ENVIRONMENT. A FEW SUPERCELLS ARE LIKELY BEFORE ACTIVITY
DEVELOPS INTO A CONSOLIDATING AND ORGANIZING CLUSTER...ACCOMPANIED
BY AN INCREASING RISK FOR DAMAGING WIND GUSTS...IN ADDITION TO THE
RISK FOR LARGE HAIL. ONE OR TWO...MAINLY RELATIVELY
SHORT-LIVED...TORNADOES MAY NOT BE COMPLETELY OUT OF THE QUESTION.
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 29020.
...KERR
via SPC Forecast Products http://www.spc.noaa.gov/products/watch/ww0276.html
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