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568 

WWUS20 KWNS 261948

SEL0

SPC WW 261948

COZ000-NEZ000-WYZ000-270300-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 310

NWS Storm Prediction Center Norman OK

150 PM MDT Thu Jul 26 2018



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northeast Colorado

  Western Nebraska

  Southeast Wyoming



* Effective this Thursday afternoon and evening from 150 PM until

  900 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...Thunderstorms will continue to increase in coverage and

intensity through the afternoon across the watch area, posing a risk

of large hail and locally damaging wind gusts.  An isolated tornado

cannot be ruled out.



The severe thunderstorm watch area is approximately along and 60

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

Torrington WY to 45 miles south southeast of Limon CO. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU0).



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 500. Mean storm motion vector

30030.



...Hart

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