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WWUS20 KWNS 282041

SEL9

SPC WW 282041

MNZ000-SDZ000-290200-



URGENT - IMMEDIATE BROADCAST REQUESTED

Tornado Watch Number 469

NWS Storm Prediction Center Norman OK

345 PM CDT Sat Aug 28 2021



The NWS Storm Prediction Center has issued a



* Tornado Watch for portions of

  Southwest Minnesota

  Southeast South Dakota



* Effective this Saturday afternoon and evening from 345 PM until

  900 PM CDT.



* Primary threats include...

  A couple tornadoes possible

  Scattered damaging winds and isolated significant gusts to 80

    mph possible

  Isolated very large hail events to 2 inches in diameter possible



SUMMARY...A couple supercells may become sustained along an remnant

outflow boundary this evening within a broader convective cluster.



The tornado watch area is approximately along and 35 statute miles

north and south of a line from 20 miles west southwest of Brookings

SD to 30 miles northeast of Worthington MN. For a complete depiction

of the watch see the associated watch outline update (WOUS64 KWNS

WOU9).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



REMEMBER...A Tornado Watch means conditions are favorable for

tornadoes and 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.



&&



AVIATION...Tornadoes and a few severe thunderstorms with hail

surface and aloft to 2 inches. Extreme turbulence and surface wind

gusts to 70 knots. A few cumulonimbi with maximum tops to 550. Mean

storm motion vector 26030.



...Grams

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