

551 

WWUS20 KWNS 042032

SEL8

SPC WW 042032

IAZ000-MNZ000-WIZ000-050300-



URGENT - IMMEDIATE BROADCAST REQUESTED

Tornado Watch Number 368

NWS Storm Prediction Center Norman OK

335 PM CDT Tue Sep 4 2018



The NWS Storm Prediction Center has issued a



* Tornado Watch for portions of

  Northern and central Iowa

  Southeast Minnesota

  Western and central Wisconsin



* Effective this Tuesday afternoon and evening from 335 PM until

  1000 PM CDT.



* Primary threats include...

  A couple tornadoes possible

  Isolated damaging wind gusts to 70 mph possible



SUMMARY...A gradual strengthening of low-level winds in conjunction

with a very moist air mass will support the possibility of

high-precipitation supercells as well as organized small-scale

bowing segments. A couple of tornadoes will be possible aside from

wind damage through the mid-evening hours.



The tornado watch area is approximately along and 60 statute miles

north and south of a line from 30 miles west southwest of Fort Dodge

IA to 60 miles north northeast of Camp Douglas WI. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU8).



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 22030.



...Guyer

