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WWUS20 KWNS 161927

SEL3

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KSZ000-NEZ000-170200-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 443

NWS Storm Prediction Center Norman OK

230 PM CDT Sun Aug 16 2020



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  North-central Kansas

  Southern to eastern Nebraska



* Effective this Sunday afternoon and evening from 230 PM until

  900 PM CDT.



* Primary threats include...

  Scattered large hail and isolated very large hail events to 3

    inches in diameter likely

  Scattered damaging winds and isolated significant gusts to 75

    mph possible

  A tornado or two possible



SUMMARY...Multiple supercells are expected to develop along a weak

frontal boundary. Setup is most supportive of large hail initially,

some of which should be significant. A cluster or two may develop

southward with a risk for damaging winds as well.



The severe thunderstorm watch area is approximately along and 65

statute miles north and south of a line from 30 miles east southeast

of Columbus NE to 65 miles west southwest of Kearney NE. 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.



&&



AVIATION...A few severe thunderstorms with hail surface and aloft to

3 inches. Extreme turbulence and surface wind gusts to 65 knots. A

few cumulonimbi with maximum tops to 550. Mean storm motion vector

33030.



...Grams

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