

315 

WWUS20 KWNS 152042

SEL3

SPC WW 152042

COZ000-KSZ000-NEZ000-OKZ000-TXZ000-160300-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 213

NWS Storm Prediction Center Norman OK

340 PM CDT Mon May 15 2017



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  southeastern Colorado

  western Kansas

  southwestern Nebraska

  the Oklahoma panhandle

  much of the Texas panhandle



* Effective this Monday afternoon and evening from 340 PM until

  1000 PM CDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  Isolated large hail events to 1.5 inches in diameter possible



SUMMARY...Thunderstorms are expected to increase in coverage and

intensity across much of the south central high Plains through this

evening, in an environment conducive to strong downbursts and

surface cold pool development accompanied by the risk for severe

wind gusts.  Stronger storms may also produce some severe hail.



The severe thunderstorm watch area is approximately along and 65

statute miles east and west of a line from 60 miles northwest of

Hill City KS to 60 miles south of Amarillo TX. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU3).



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

1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A

few cumulonimbi with maximum tops to 500. Mean storm motion vector

23035.



...Kerr

