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WWUS20 KWNS 092029

SEL9

SPC WW 092029

IAZ000-MNZ000-100300-



URGENT - IMMEDIATE BROADCAST REQUESTED

Tornado Watch Number 639

NWS Storm Prediction Center Norman OK

330 PM CDT Mon Sep 9 2019



The NWS Storm Prediction Center has issued a



* Tornado Watch for portions of

  Central and Northern Iowa

  Southeast Minnesota



* Effective this Monday afternoon and evening from 330 PM until

  1000 PM CDT.



* Primary threats include...

  A few tornadoes possible

  Scattered damaging wind gusts to 70 mph possible

  Scattered large hail events to 1.5 inches in diameter possible



SUMMARY...Thunderstorms are expected to intensify this afternoon

over central Iowa and track northeastward across the watch area.

Initial storms may pose a risk of a few tornadoes and large hail,

with an increasing risk of damaging wind gusts this evening.



The tornado watch area is approximately along and 75 statute miles

north and south of a line from 55 miles west southwest of Fort Dodge

IA to 60 miles east northeast of Waterloo IA. 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 1.5 inches. Extreme turbulence and surface wind

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

storm motion vector 25030.



...Hart

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