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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 476
NWS Storm Prediction Center Norman OK
110 PM CDT Mon Aug 30 2021
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
South-central North Dakota
* Effective this Monday afternoon and evening from 110 PM until
700 PM CDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2.5
inches in diameter possible
Isolated damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY...A couple of slow-moving supercells have developed and may
persist along a baroclinic zone. The primary hazard should be large
hail, but a tornado or two is possible as well.
The severe thunderstorm watch area is approximately along and 40
statute miles east and west of a line from 5 miles northeast of
Garrison ND to 55 miles south southwest of Bismarck ND. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU6).
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 475...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector