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935 

WWUS20 KWNS 102141

SEL7

SPC WW 102141

ARZ000-OKZ000-110400-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 7

NWS Storm Prediction Center Norman OK

345 PM CST Sat Mar 10 2018



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Central and Western Arkansas

  Eastern Oklahoma



* Effective this Saturday afternoon and evening from 345 PM until

  1000 PM CST.



* Primary threats include...

  Scattered large hail likely with isolated very large hail events

    to 2 inches in diameter possible

  Isolated damaging wind gusts to 70 mph possible



SUMMARY...Thunderstorms will continue to increase in coverage this

afternoon and evening, with a few severe storms possible.  Large

hail is the main risk.



The severe thunderstorm watch area is approximately along and 65

statute miles north and south of a line from 40 miles west northwest

of Fort Smith AR to 35 miles northeast of Monticello AR. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU7).



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 400. Mean storm motion vector

28030.



...Hart

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