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URGENT - IMMEDIATE BROADCAST REQUESTED

Tornado Watch Number 252

NWS Storm Prediction Center Norman OK

945 PM CDT Fri May 19 2017



The NWS Storm Prediction Center has issued a



* Tornado Watch for portions of

  Northwest and Northern Arkansas

  Southwest and South-Central Missouri

  Eastern Oklahoma



* Effective this Friday night and Saturday morning from 945 PM

  until 500 AM CDT.



* Primary threats include...

  A few tornadoes possible

  Scattered large hail and isolated very large hail events to 2

    inches in diameter possible

  Scattered damaging wind gusts to 70 mph possible



SUMMARY...A line of strong to severe thunderstorms will continue to

track northeastward across the watch area through the early morning

hours.  Strong wind shear will maintain a risk of locally damaging

wind gusts, large hail, and a few tornadoes in the most intense

storms.



The tornado watch area is approximately along and 60 statute miles

east and west of a line from 60 miles north of West Plains MO to 50

miles south southeast of Mcalester OK. For a complete depiction of

the watch see the associated watch outline update (WOUS64 KWNS

WOU2).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



REMEMBER...A Tornado Watch means conditions are favorable for

tornadoes and 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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 248...WW 249...WW 251...



AVIATION...Tornadoes and 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 500. Mean

storm motion vector 24035.



...Hart

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