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WWUS20 KWNS 082058

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KSZ000-NEZ000-090200-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 153

NWS Storm Prediction Center Norman OK

400 PM CDT Sat May 8 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Parts of central and north central Kansas

  South central Nebraska



* Effective this Saturday afternoon and evening from 400 PM until

  900 PM CDT.



* Primary threats include...

  Scattered large hail and isolated very large hail events to 2

    inches in diameter likely

  Scattered damaging wind gusts to 70 mph possible

  A tornado or two possible



SUMMARY...Thunderstorm development is expected by about 5 pm CDT in

Kansas, with additional storms likely to form this evening into

southern Nebraska.  More isolated supercells with large hail and

damaging winds will be the main threat initially, with some

potential for upscale growth into a cluster toward 8-9 pm CDT.  A

tornado cannot be ruled out later this evening with any supercells

that persist near the surface warm front.



The severe thunderstorm watch area is approximately along and 40

statute miles east and west of a line from 50 miles south southwest

of Russell KS to 115 miles north of Russell 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.



&&



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

25025.



...Thompson

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