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WWUS20 KWNS 182140

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SPC WW 182140

OKZ000-TXZ000-190500-



URGENT - IMMEDIATE BROADCAST REQUESTED

Tornado Watch Number 54

NWS Storm Prediction Center Norman OK

440 PM CDT Wed Mar 18 2020



The NWS Storm Prediction Center has issued a



* Tornado Watch for portions of

  Southern Oklahoma

  West Central Texas



* Effective this Wednesday afternoon from 440 PM until Midnight

  CDT.



* Primary threats include...

  A few tornadoes likely with a couple intense tornadoes possible

  Widespread large hail and scattered very large hail events to

    2.5 inches in diameter likely

  Scattered damaging wind gusts to 70 mph likely



SUMMARY...Scattered intense thunderstorms are expected to develop

this afternoon and spread across the watch area through the evening.

 Large hail and damaging winds will occur with the strongest cells.

Through the evening, parameters will become favorable for a few

tornadoes as well.



The tornado watch area is approximately along and 70 statute miles

north and south of a line from 30 miles south of Ardmore OK to 10

miles west southwest of Big Spring TX. For a complete depiction of

the watch see the associated watch outline update (WOUS64 KWNS

WOU4).



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 2.5 inches. Extreme turbulence and surface wind

gusts to 60 knots. A few cumulonimbi with maximum tops to 450. Mean

storm motion vector 24035.



...Hart

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