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WWUS20 KWNS 202031

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SPC WW 202031

MNZ000-210400-



URGENT - IMMEDIATE BROADCAST REQUESTED

Tornado Watch Number 384

NWS Storm Prediction Center Norman OK

335 PM CDT Thu Sep 20 2018



The NWS Storm Prediction Center has issued a



* Tornado Watch for portions of

  Southern Minnesota



* Effective this Thursday afternoon and evening from 335 PM until

  1100 PM CDT.



* Primary threats include...

  A few tornadoes likely with a couple intense tornadoes possible

  Widespread damaging wind gusts to 70 mph likely

  Scattered large hail and isolated very large hail events to 2

    inches in diameter possible



SUMMARY...Thunderstorms are expected to intensify this afternoon

across southern Minnesota and track quickly northeastward.

Parameters are favorable for a few tornadoes, as well as rather

widespread damaging wind gusts.



The tornado watch area is approximately along and 45 statute miles

north and south of a line from 55 miles east of Mankato MN to 45

miles northwest of Worthington MN. For a complete depiction of the

watch see the associated watch outline update (WOUS64 KWNS WOU4).



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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 383...



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

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

gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean

storm motion vector 25035.



...Hart

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