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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 268
NWS Storm Prediction Center Norman OK
305 PM MDT Sun Jun 13 2021
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
* Effective this Sunday afternoon and evening from 305 PM until
1000 PM MDT.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 75
Isolated very large hail events to 2 inches in diameter possible
SUMMARY...Initial discrete cells should persist across far southeast
Wyoming, while additional storms form over the northwest Nebraska
Panhandle. This activity should into an east-southeast moving
cluster this evening. Large hail transitioning to predominately
severe wind gusts are the main hazards.
The severe thunderstorm watch area is approximately along and 60
statute miles north and south of a line from 50 miles north
northwest of Cheyenne WY to 15 miles north of Alliance NE. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU8).
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
OTHER WATCH INFORMATION...CONTINUE...WW 264...WW 265...WW
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 600. Mean storm motion vector