

552 

WWUS20 KWNS 191941

SEL6

SPC WW 191941

COZ000-NEZ000-200300-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 286

NWS Storm Prediction Center Norman OK

140 PM MDT Sat Jun 19 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Eastern Colorado

  Nebraska Panhandle



* Effective this Saturday afternoon and evening from 140 PM until

  900 PM MDT.



* Primary threats include...

  Scattered damaging winds and isolated significant gusts to 75

    mph possible

  Scattered large hail and isolated very large hail events to 2

    inches in diameter possible



SUMMARY...Thunderstorms will develop near the Front Range and move

east into the High Plains this afternoon and evening.  Large hail

and severe gusts will be the primary threats with the stronger

storms as a squall line eventually forms by early evening.



The severe thunderstorm watch area is approximately along and 70

statute miles east and west of a line from 15 miles northeast of

Scottsbluff NE to 10 miles south of La Junta CO. 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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 285...



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

26030.



...Smith

