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149 

WWUS20 KWNS 302155

SEL0

SPC WW 302155

KSZ000-MOZ000-010400-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 250

NWS Storm Prediction Center Norman OK

455 PM CDT Sat Jun 30 2018



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northeastern Kansas

  Northwestern Missouri



* Effective this Saturday afternoon and evening from 455 PM until

  1100 PM 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...Clusters of storms should continue through the evening

hours across northeastern Kansas and northwestern Missouri in a very

unstable environment with modest vertical wind shear.  Damaging

winds and large hail will be possible with the stronger storms this

evening, and the severe threat may persist into early tonight in the

storm cluster in Oklahoma survives as far north as the I-70 corridor

by 10-11pm CDT.



The severe thunderstorm watch area is approximately along and 60

statute miles east and west of a line from 50 miles northeast of

Falls City NE to 25 miles southeast of Emporia KS. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU0).



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 245...WW 246...WW

247...WW 248...WW 249...



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 600. Mean storm motion vector

22030.



...Thompson

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