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WWUS20 KWNS 171050

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URGENT - IMMEDIATE BROADCAST REQUESTED

Tornado Watch Number 26

NWS Storm Prediction Center Norman OK

550 AM CDT Wed Mar 17 2021



The NWS Storm Prediction Center has issued a



* Tornado Watch for portions of

  Southeast Arkansas

  Northern Mississippi

  Extreme southwest Tennessee



* Effective this Wednesday morning and afternoon from 550 AM

  until 100 PM CDT.



* Primary threats include...

  A few tornadoes likely with a couple intense 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...Clusters of storms with embedded supercell structures will

likely persist through about midday from southeast Arkansas into

northern Mississippi and adjacent southwest Tennessee.  The storm

environment will gradually become more favorable for a few tornadoes

this morning, including the possibility of an isolated strong

tornado.  Otherwise, large hail and damaging winds can be expected

with the supercell clusters.



The tornado watch area is approximately along and 50 statute miles

north and south of a line from 5 miles north of Pine Bluff AR to 40

miles east northeast of Tupelo MS. For a complete depiction of the

watch see the associated watch outline update (WOUS64 KWNS WOU6).



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 24...WW 25...



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.



...Thompson

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