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WWUS20 KWNS 081157

SEL6

SPC WW 081157

MNZ000-LSZ000-081800-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 266

NWS Storm Prediction Center Norman OK

655 AM CDT Sun Jul 8 2018



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northeastern Minnesota

  Lake Superior



* Effective this Sunday morning and afternoon from 655 AM until

  100 PM CDT.



* Primary threats include...

  Scattered damaging winds and isolated significant gusts to 75

    mph possible

  Isolated large hail events to 1.5 inches in diameter possible



SUMMARY...A small but intense thunderstorm complex with a history of

measured severe gusts across ND and northwestern MN remains

well-organized, and may continue to offer damaging gusts across

portions of northern MN into the Arrowhead, perhaps as far as

portions of the North Shore.



The severe thunderstorm watch area is approximately along and 45

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

International Falls MN to 15 miles northeast of Grand Marais MN. For

a complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU6).



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...CONTINUE...WW 265...



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

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

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

26040.



...Edwards

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