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WWUS20 KWNS 071353

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URGENT - IMMEDIATE BROADCAST REQUESTED

Tornado Watch Number 26

NWS Storm Prediction Center Norman OK

755 AM CST Tue Feb 7 2017



The NWS Storm Prediction Center has issued a



* Tornado Watch for portions of

  Southern Louisiana

  Southern Mississippi

  Coastal Waters



* Effective this Tuesday morning and afternoon from 755 AM until

  200 PM CST.



* Primary threats include...

  A few tornadoes possible

  Scattered large hail likely with isolated very large hail events

    to 3 inches in diameter possible

  Isolated damaging wind gusts to 70 mph possible



SUMMARY...Ahead of an approaching upper system, a relatively moist

air mass and cool temperatures aloft over the region will yield

initial supercells capable of large hail and a few tornadoes. A

damaging wind risk may increase later this afternoon as storms

spread eastward across southeast Mississippi toward southern

Alabama.



The tornado watch area is approximately along and 90 statute miles

north and south of a line from 45 miles south southwest of

Alexandria LA to 60 miles east southeast of Pine Belt 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.



&&



AVIATION...Tornadoes and a few severe thunderstorms with hail

surface and aloft to 3 inches. Extreme turbulence and surface wind

gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean

storm motion vector 25030.



...Guyer

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