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WWUS20 KWNS 122232

SEL3

SPC WW 122232

OKZ000-TXZ000-130400-



URGENT - IMMEDIATE BROADCAST REQUESTED

Tornado Watch Number 523

NWS Storm Prediction Center Norman OK

530 PM CDT Tue Oct 12 2021



The NWS Storm Prediction Center has issued a



* Tornado Watch for portions of

  Western Oklahoma

  Northwest Texas



* Effective this Tuesday afternoon and evening from 530 PM until

  1100 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 3

    inches in diameter likely

  Scattered damaging winds and isolated significant gusts to 80

    mph possible



SUMMARY...At least isolated intense supercells are expected to

develop this evening across western Oklahoma and the eastern Texas

Panhandle/western North Texas near a northward-shifting warm front

and a dryline. The environment will be very supportive of intense

supercells capable of large hail and a tornado risk, potentially

including a couple of strong tornadoes given seasonally rare

low-level moisture and strengthening low-level shear/helicity.



The tornado watch area is approximately along and 75 statute miles

east and west of a line from 55 miles east northeast of Guymon OK to

50 miles southwest of Wichita Falls TX. For a complete depiction of

the watch see the associated watch outline update (WOUS64 KWNS

WOU3).



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 522...



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

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

gusts to 70 knots. A few cumulonimbi with maximum tops to 500. Mean

storm motion vector 22030.



...Guyer

