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671 

WWUS20 KWNS 281205

SEL7

SPC WW 281205

MNZ000-NDZ000-SDZ000-281700-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 467

NWS Storm Prediction Center Norman OK

705 AM CDT Sat Aug 28 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  West central Minnesota

  Extreme southeast North Dakota

  Northeast South Dakota



* Effective this Saturday morning from 705 AM until NOON CDT.



* Primary threats include...

  Scattered large hail likely with isolated very large hail events

    to 2.5 inches in diameter possible

  Scattered damaging winds and isolated significant gusts to 75

    mph possible



SUMMARY...Ongoing clusters of elevated storms, with both supercell

and bowing characteristics, will continue to spread eastward from

South Dakota into Minnesota and extreme southeastern North Dakota

through the morning.  The most intense storms will be capable of

producing isolated very large hail to near 2.5 inch diameter and

isolated significant gusts to near 75 mph.



The severe thunderstorm watch area is approximately along and 50

statute miles north and south of a line from 60 miles west of

Aberdeen SD to 60 miles east southeast of Alexandria MN. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU7).



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...This severe thunderstorm watch replaces

severe thunderstorm watch number 466. Watch number 466 will not

be in effect after 705 AM CDT.



AVIATION...A few severe thunderstorms with hail surface and aloft to

2.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A

few cumulonimbi with maximum tops to 550. Mean storm motion vector

27035.



...Thompson

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