

571 

WWUS20 KWNS 270101

SEL4

SPC WW 270101

NEZ000-SDZ000-270800-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 464

NWS Storm Prediction Center Norman OK

800 PM CDT Thu Aug 26 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northern Nebraska

  Southern South Dakota



* Effective this Thursday night and Friday morning from 800 PM

  until 300 AM CDT.



* Primary threats include...

  Scattered large hail and isolated very large hail events to 2

    inches in diameter possible

  Scattered damaging wind gusts to 70 mph possible



SUMMARY...Thunderstorms are expected to develop and increase in

coverage this evening and pose a risk for damaging winds and large

hail.



The severe thunderstorm watch area is approximately along and 95

statute miles north and south of a line from 35 miles north

northwest of Chadron NE to 20 miles northeast of Yankton SD. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU4).



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 500. Mean storm motion vector

24030.



...Bunting

