

246 

WWUS20 KWNS 062034

SEL4

SPC WW 062034

COZ000-NEZ000-WYZ000-070300-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 334

NWS Storm Prediction Center Norman OK

235 PM MDT Mon Aug 6 2018



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northeastern Colorado

  Southwestern Nebraska Panhandle

  Southeastern Wyoming



* Effective this Monday afternoon and evening from 235 PM until

  900 PM MDT.



* Primary threats include...

  Scattered large hail and isolated very large hail events to 2

    inches in diameter possible

  Isolated damaging wind gusts to 70 mph possible



SUMMARY...An isolated severe storm has formed near Cheyenne, with

other isolated storm development expected the next couple of hours

southward along the Front Range into northern Colorado.  The storm

environment supports supercells capable of producing large hail and

damaging winds through late evening.



The severe thunderstorm watch area is approximately along and 55

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

of Cheyenne WY to 45 miles east southeast of Denver CO. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU4).



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 332...WW 333...



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

31025.



...Thompson

