WW 582 SEVERE TSTM CO NE WY 032100Z – 040300Z

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 582
NWS Storm Prediction Center Norman OK
300 PM MDT Thu Aug 3 2023
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Eastern Colorado
The Nebraska Panhandle
Extreme southeast Wyoming
* Effective this Thursday afternoon and evening from 300 PM until
900 PM MDT.
* Primary threats include...
Scattered damaging winds likely with isolated significant gusts
to 75 mph possible
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
SUMMARY...Scattered thunderstorm development is expected through the
afternoon/evening from the Front Range eastward into the Plains.
The initial storms will be a mix of supercells and multicell
clusters capable of producing isolated large hail up to 2 inches in
diameter. Through the evening, storm mergers should lead to upscale
growth and an increase in the threat for severe outflow gusts up to
75 mph.
The severe thunderstorm watch area is approximately along and 55
statute miles east and west of a line from 15 miles northwest of
Alliance NE to 30 miles southwest of Lamar CO. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU2).
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 581...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
27020.
...Thompson





