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WWUS20 KWNS 182353

SEL2

SPC WW 182353

KSZ000-OKZ000-TXZ000-190500-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 342

NWS Storm Prediction Center Norman OK

655 PM CDT Sat Aug 18 2018



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Southwestern Kansas

  The Oklahoma Panhandle

  The western and northern Texas Panhandle



* Effective this Saturday night from 655 PM until Midnight CDT.



* Primary threats include...

  Isolated damaging wind gusts to 70 mph possible

  Isolated large hail events to 1.5 inches in diameter possible



SUMMARY...Storm mergers should lead to some upscale growth into

southwestern Kansas this evening, while another band of storms will

move east-southeastward from New Mexico into the Texas Panhandle.

Isolated large hail will be possible with the initial storms in

Kansas with marginal supercell structures, and a few damaging gusts

will be the main concern with the linear convection through late

evening.



The severe thunderstorm watch area is approximately along and 60

statute miles east and west of a line from 35 miles northwest of

Garden City KS to 55 miles east southeast of Tucumcari NM. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU2).



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 341...



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

1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A

few cumulonimbi with maximum tops to 500. Mean storm motion vector

31020.



...Thompson

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