WW 666 SEVERE TSTM MT NE SD WY 042005Z – 050200Z
URGENT – IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 666
NWS Storm Prediction Center Norman OK
205 PM MDT Mon Sep 4 2023
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southeast Montana
Nebraska Panhandle
Western South Dakota
Eastern Wyoming
* Effective this Monday afternoon and evening from 205 PM until
800 PM MDT.
* Primary threats include…
Scattered damaging winds and isolated significant gusts to 75
mph possible
Isolated large hail events to 1.5 inches in diameter possible
SUMMARY…Strong to severe thunderstorms are expected to develop
through mid/late afternoon across the region. Storms will initially
be capable of large hail and damaging winds, with severe wind
potential likely to increase by evening into and across western
South Dakota.
The severe thunderstorm watch area is approximately along and 80
statute miles east and west of a line from 35 miles northwest of
Buffalo SD to 40 miles southwest of Scottsbluff NE. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU6).
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.
&&
AVIATION…A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
23035.
…Guyer
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