

010 

WWUS20 KWNS 171936

SEL1

SPC WW 171936

COZ000-NMZ000-OKZ000-TXZ000-180400-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 181

NWS Storm Prediction Center Norman OK

140 PM MDT Mon May 17 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Southeast Colorado

  Northeast New Mexico

  Oklahoma Panhandle

  Texas Panhandle



* Effective this Monday afternoon and evening from 140 PM until

  1000 PM MDT.



* Primary threats include...

  Scattered large hail and isolated very large hail events to 2.5

    inches in diameter likely

  Scattered damaging wind gusts to 70 mph possible

  A tornado or two possible



SUMMARY...Severe thunderstorms will continue to increase initially

near/just east of the mountains across northeast New Mexico and

southeast Colorado, with other development possible later this

afternoon near a boundary extending into the Oklahoma/Texas

Panhandles. A combination of multicells and some supercells will be

capable of large hail and possibly a tornado. Damaging wind

potential may also increase by early evening, especially into the

Texas/Oklahoma Panhandles where the severe risk will persist much of

the evening.



The severe thunderstorm watch area is approximately along and 135

statute miles east and west of a line from 55 miles north of

Trinidad CO to 70 miles southwest of Dalhart TX. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU1).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



REMEMBER...A Severe Thunderstorm Watch means conditions are

favorable for 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. Severe thunderstorms can and occasionally do produce

tornadoes.



&&



AVIATION...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 500. Mean storm motion vector

24015.



...Guyer

