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Tuesday, June 4, 2013

NOAA's National Weather Service SPC Tornado/Severe Thunderstorm Watches Update

06/04/2013 05:56 PM EDT

WW 276 SEVERE TSTM CO KS 042155Z - 050500Z
WW 0276 Thumbnail Image
    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    
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06/04/2013 05:56 PM EDT

WW 0276 Status Updates
WW 0276 Thumbnail Image
    STATUS FOR WATCH 0276 HAS NOT BEEN ISSUED YET  
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