SPC Severe Thunderstorm Watch 343



WW 343 SEVERE TSTM CO KS NE 081950Z – 090300Z

WW 0343 Image

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 343
NWS Storm Prediction Center Norman OK
250 PM CDT Sat Jun 8 2019

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Extreme northeast Colorado
  Northwest Kansas
  Central and southwest Nebraska

* Effective this Saturday afternoon and evening from 250 PM until
  1000 PM CDT.

* Primary threats include...
  Scattered large hail and isolated very large hail events to 2.5
    inches in diameter likely
  Scattered damaging wind gusts to 70 mph likely

SUMMARY...Thunderstorm development is likely in the next couple of
hours along a cold front from central Nebraska to northeast Colorado
and northwest Kansas.  The storm environment will initially support
supercells capable of producing isolated very large hail, while
storm mergers could lead to cluster development with a greater
damaging wind threat this evening.

The severe thunderstorm watch area is approximately along and 70
statute miles east and west of a line from 25 miles north northwest
of Broken Bow NE to 45 miles south of Goodland KS. 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.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 342...

AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
30015.

...Thompson

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