

608 

WWUS20 KWNS 280120

SEL1

SPC WW 280120

KSZ000-NEZ000-280800-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 311

NWS Storm Prediction Center Norman OK

820 PM CDT Sat Jun 27 2020



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Western and Northern Kansas

  Southern Nebraska



* Effective this Saturday night and Sunday morning from 820 PM

  until 300 AM CDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph likely

  Scattered large hail and isolated very large hail events to 2

    inches in diameter possible



SUMMARY...A cluster of storms developing near the Colorado/Kansas

border area early this evening should continue to organize and

slowly accelerate eastward this evening. Aside from isolated large

hail, these storms will be increasingly capable of damaging wind

gusts into mid/late evening, particularly across

northwest/north-central Kansas and possibly far southern Nebraska.



The severe thunderstorm watch area is approximately along and 110

statute miles east and west of a line from 55 miles north of Hill

City KS to 70 miles south southwest of Hill City KS. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU1).



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.



&&



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 550. Mean storm motion vector

26020.



...Guyer

