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352 

WWUS20 KWNS 070819

SEL4

SPC WW 070819

ARZ000-MOZ000-OKZ000-071400-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 4

NWS Storm Prediction Center Norman OK

220 AM CST Thu Feb 7 2019



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northern Arkansas

  Far south-central Missouri

  Far eastern Oklahoma



* Effective this Thursday morning from 220 AM until 800 AM CST.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  A tornado or two possible



SUMMARY...Fast-moving linear cluster should persist northeast along

a stationary front. Strong to isolated severe wind gusts are the

primary hazard. A brief tornado is also possible, particularly near

and south of the front across northern Arkansas.



The severe thunderstorm watch area is approximately along and 45

statute miles either side of a line from 25 miles west northwest of

Poteau OK to 40 miles east southeast of West Plains MO. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU4).



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

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

few cumulonimbi with maximum tops to 400. Mean storm motion vector

23050.



...Grams

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