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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 285
NWS Storm Prediction Center Norman OK
210 AM CDT Sun May 29 2022
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Extreme northwestern Iowa
Southeastern South Dakota
* Effective this Sunday morning from 210 AM until 1000 AM CDT.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 75
Isolated very large hail events to 2 inches in diameter possible
SUMMARY...An expanding cluster of thunderstorms, initially west to
northwest of YKN, may continue to pose a risk for severe hail and
gusts as it moves out of severe thunderstorm watch 284 and into this
watch area, along and north of the gust front from another
convective complex now well to the north.
The severe thunderstorm watch area is approximately along and 40
statute miles either side of a line from 30 miles south of Mitchell
SD to 35 miles north of Worthington MN. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
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 284...
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