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915 

WWUS20 KWNS 261857

SEL8

SPC WW 261857

COZ000-NEZ000-WYZ000-270200-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 268

NWS Storm Prediction Center Norman OK

100 PM MDT Fri May 26 2017



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Eastern Colorado

  Southern Nebraska Panhandle

  Southeast Wyoming



* Effective this Friday afternoon and evening from 100 PM until

  800 PM MDT.



* Primary threats include...

  Scattered large hail likely with isolated very large hail events

    to 2 inches in diameter possible

  Scattered damaging wind gusts to 70 mph possible

  A tornado or two possible



SUMMARY...Scattered strong to severe thunderstorms are expected to

form over the foothills of central Colorado and spread eastward

across the watch area.  Large hail is the main threat, but there is

some risk of a tornado or two in east-central Colorado.



The severe thunderstorm watch area is approximately along and 75

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

of Torrington WY to 35 miles west southwest of Springfield CO. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU8).



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

few cumulonimbi with maximum tops to 400. Mean storm motion vector

27030.



...Hart

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