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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 207
NWS Storm Prediction Center Norman OK
125 PM MDT Wed May 26 2021
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southwest South Dakota
* Effective this Wednesday afternoon and evening from 125 PM
until 900 PM MDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2.5
inches in diameter likely
Scattered damaging winds likely with isolated significant gusts
to 80 mph possible
A tornado or two possible
SUMMARY...Thunderstorms are expected to develop and intensity this
afternoon over eastern Wyoming and spread eastward across the watch.
Very large hail and damaging winds are expected with the most
intense cells. An isolated tornado or two are also possible.
The severe thunderstorm watch area is approximately along and 95
statute miles east and west of a line from 80 miles northwest of
Chadron NE to 20 miles east southeast of Sidney NE. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU7).
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 205...WW 206...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 70 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector