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WWUS20 KWNS 170652

SEL4

SPC WW 170652

KSZ000-MOZ000-OKZ000-171300-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 24

NWS Storm Prediction Center Norman OK

155 AM CDT Wed Mar 17 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Southeast Kansas

  Southwest Missouri

  Northeast Oklahoma



* Effective this Wednesday morning from 155 AM until 800 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

  A tornado or two possible



SUMMARY...Clusters of severe storms, some with supercell and/or

bowing structures, will continue to spread east-northeastward from

northern Oklahoma toward northeast Oklahoma, southeast Kansas, and

southwest Missouri through the early morning hours.  Large hail can

be expected with the stronger storms, as well as occasional damaging

gusts.  An isolated tornado cannot be ruled out later this morning

in northeast Oklahoma.



The severe thunderstorm watch area is approximately along and 75

statute miles north and south of a line from 5 miles north of Ponca

City OK to 45 miles northeast of Joplin MO. 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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 22...WW 23...



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

24035.



...Thompson

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