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WWUS20 KWNS 202027

SEL3

SPC WW 202027

COZ000-WYZ000-210500-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 533

NWS Storm Prediction Center Norman OK

230 PM MDT Sat Jul 20 2019



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Eastern Colorado

  Far Southeast Wyoming



* Effective this Saturday afternoon and evening from 230 PM until

  1100 PM MDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  Scattered large hail events to 1.5 inches in diameter possible



SUMMARY...Strong-to-severe thunderstorms are expected to develop

along the I-25/urban corridor of eastern Colorado and far southeast

Wyoming through late afternoon. Severe hail and locally strong wind

gusts are expected. Over time, storms/outflows should merge with

increasing severe-wind potential late this afternoon and evening

across the High Plains of east-central/southeast Colorado.



The severe thunderstorm watch area is approximately along and 60

statute miles east and west of a line from 15 miles northwest of

Cheyenne WY to 30 miles west southwest of Springfield CO. 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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 529...WW 530...WW

531...WW 532...



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 550. Mean storm motion vector

29015.



...Guyer

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