

160 

WWUS20 KWNS 251859

SEL0

SPC WW 251859

IAZ000-MNZ000-WIZ000-260100-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 120

NWS Storm Prediction Center Norman OK

200 PM CDT Fri May 25 2018



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northeast Iowa

  Southeast Minnesota

  Western and Central Wisconsin



* Effective this Friday afternoon and evening from 200 PM until

  800 PM CDT.



* Primary threats include...

  Scattered large hail and isolated very large hail events to 2

    inches in diameter possible

  Scattered damaging wind gusts to 70 mph possible



SUMMARY...Scattered intense thunderstorms are expected to form this

afternoon in a moist and unstable air mass.  The strongest cells

will be capable of large hail and damaging wind gusts.



The severe thunderstorm watch area is approximately along and 70

statute miles east and west of a line from 90 miles north northeast

of Eau Claire WI to 90 miles south southwest of La Crosse WI. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU0).



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.



&&



AVIATION...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

25025.



...Hart

