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WWUS20 KWNS 292233

SEL6

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URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 176

NWS Storm Prediction Center Norman OK

535 PM CDT Sat Apr 29 2017



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northwest Arkansas

  Parts of eastern Oklahoma



* Effective this Saturday afternoon and evening from 535 PM until

  1000 PM CDT.



* Primary threats include...

  Isolated very large hail events to 2 inches in diameter possible

  Isolated damaging wind gusts to 70 mph possible

  A tornado or two possible



SUMMARY...Thunderstorms will continue through the evening along a

slow-moving front from eastern Oklahoma into northwest Arkansas.

Occasional large hail/damaging winds will be the main threats, but

an isolated tornado cannot be ruled out with storms interacting with

the boundary.



The severe thunderstorm watch area is approximately along and 45

statute miles east and west of a line from 20 miles northeast of

Harrison AR to 40 miles south southwest of Poteau OK. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU6).



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 174...WW 175...



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

22030.



...Thompson

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