WW 245 SEVERE TSTM CO MT NE SD WY 272000Z – 280300Z
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 245
NWS Storm Prediction Center Norman OK
200 PM MDT Sat May 27 2023
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northeast Colorado
Southeast Montana
Nebraska Panhandle
Western South Dakota
Eastern Wyoming
* Effective this Saturday afternoon and evening from 200 PM until
900 PM MDT.
* Primary threats include...
Scattered large hail likely with isolated very large hail events
to 2 inches in diameter possible
Scattered damaging wind gusts to 70 mph likely
SUMMARY...Thunderstorms will increase in coverage through the
afternoon and spread northeastward across the watch area. A very
unstable air mass will result in a risk of large hail and damaging
wind gusts in the strongest cells.
The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 40 miles west northwest
of Buffalo SD to 45 miles east southeast of Fort Collins CO. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU5).
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 244...
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
24030.
...Hart
