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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 406
NWS Storm Prediction Center Norman OK
520 PM CDT Thu Jun 23 2022
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Central and west-central Minnesota
Northeastern South Dakota
* Effective this Thursday afternoon and Friday morning from 520
PM until 100 AM CDT.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 75
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
SUMMARY...Several thunderstorms are forming along and south of a
slow-moving to stationary front over parts of the watch area, and
additional development/merger of convection is possible through the
evening, with potential for some localized cold-pool-driven
clustering. Severe gusts and sporadic large hail are the main
The severe thunderstorm watch area is approximately along and 50
statute miles either side of a line from 25 miles north northwest of
Watertown SD to 30 miles east southeast of Brainerd MN. 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 405...
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 550. Mean storm motion vector