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WWUS20 KWNS 242141

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IAZ000-MNZ000-NEZ000-WIZ000-250500-



URGENT - IMMEDIATE BROADCAST REQUESTED

Tornado Watch Number 660

NWS Storm Prediction Center Norman OK

445 PM CDT Tue Sep 24 2019



The NWS Storm Prediction Center has issued a



* Tornado Watch for portions of

  Western and central Iowa

  Southern and east-central Minnesota

  Eastern Nebraska

  West-central Wisconsin



* Effective this Tuesday afternoon from 445 PM until Midnight

  CDT.



* Primary threats include...

  A few tornadoes likely with a couple intense tornadoes possible

  Scattered large hail and isolated very large hail events to 3

    inches in diameter likely

  Scattered damaging winds likely with isolated significant gusts

    to 80 mph possible



SUMMARY...Several supercells are expected to develop from eastern

Nebraska and western Iowa northeast across southern Minnesota into

west-central Wisconsin this evening, capable of producing all severe

thunderstorm hazards. The greater tornado threat should exist from

northern Iowa across southern Minnesota into west-central Wisconsin.



The tornado watch area is approximately along and 80 statute miles

east and west of a line from 5 miles west of Shenandoah IA to 50

miles north northeast of Minneapolis MN. For a complete depiction of

the watch see the associated watch outline update (WOUS64 KWNS

WOU0).



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 659...



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

surface and aloft to 3 inches. Extreme turbulence and surface wind

gusts to 70 knots. A few cumulonimbi with maximum tops to 500. Mean

storm motion vector 26040.



...Grams

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