

476 

WWUS20 KWNS 011953

SEL9

SPC WW 011953

COZ000-NEZ000-WYZ000-020300-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 549

NWS Storm Prediction Center Norman OK

155 PM MDT Thu Aug 1 2019



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northeast Colorado

  Nebraska Panhandle

  Southeast Wyoming



* Effective this Thursday afternoon and evening from 155 PM until

  900 PM MDT.



* Primary threats include...

  Scattered large hail and isolated very large hail events to 2

    inches in diameter possible

  Scattered damaging wind gusts to 70 mph possible



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

the afternoon across the watch area, with a few severe storms

expected.  Large hail and damaging winds will be possible in the

strongest cells through the early evening.



The severe thunderstorm watch area is approximately along and 60

statute miles east and west of a line from 50 miles south southeast

of Limon CO to 35 miles north northeast of Torrington WY. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU9).



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

27025.



...Hart

