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WWUS20 KWNS 290657

SEL1

SPC WW 290657

KSZ000-OKZ000-291400-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 321

NWS Storm Prediction Center Norman OK

155 AM CDT Sun Jul 29 2018



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Central and southern Kansas

  Northern Oklahoma



* Effective this Sunday morning from 155 AM until 900 AM CDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph likely

  Isolated very large hail events to 2 inches in diameter possible



SUMMARY...Clusters of thunderstorms -- including one that produced

near-severe measured gusts at Hays and Russell -- may merge into a

better-organized complex through the remainder of the pre-dawn

hours.  Activity should move southeastward with damaging gusts and

sporadic hail expected.



The severe thunderstorm watch area is approximately along and 65

statute miles either side of a line from 55 miles west northwest of

Hutchinson KS to Tulsa OK. For a complete depiction of the watch see

the associated watch outline update (WOUS64 KWNS WOU1).



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 320...



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 550. Mean storm motion vector

31035.



...Edwards

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