SPC Severe Thunderstorm Watch 421
SPC Severe Thunderstorm Watch 421
[html]WW 421 SEVERE TSTM MT ND 022020Z - 030300Z
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 421
NWS Storm Prediction Center Norman OK
220 PM MDT Sat Jul 2 2022
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Eastern Montana
Western North Dakota
* Effective this Saturday afternoon and evening from 220 PM until
900 PM MDT.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 75
mph possible
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
SUMMARY...A few supercells should develop across northeast Montana
and consolidate into a east-southeast moving cluster into western
North Dakota this evening.
The severe thunderstorm watch area is approximately along and 85
statute miles north and south of a line from 20 miles south
southwest of Wolf Point MT to 50 miles northeast of Dickinson ND.
For a co*plete depiction of the watch see the associated watch
outline update (WOUS64 KWNS WOU1).
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...c*NTINUE...WW 419...WW 420...
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 450. Mean storm motion vector
29030.
...Grams
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Source: SPC Severe Thunderstorm Watch 421 (http://ht**://www.spc.noaa.gov/products/watch/ww0421.html)