WWUS20 KWNS 072052
SEL1
SPC WW 072052
ILZ000-MIZ000-WIZ000-LMZ000-080200-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 81
NWS Storm Prediction Center Norman OK
355 PM CDT Tue Apr 7 2020

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Northeast Illinois
  Western Lower Michigan
  Southeast Wisconsin
  Lake Michigan

* Effective this Tuesday afternoon and evening from 355 PM until
  900 PM CDT.

* Primary threats include...
  Scattered damaging winds likely with isolated significant gusts
    to 75 mph possible
  Scattered large hail likely with isolated very large hail events
    to 2.5 inches in diameter possible
  A tornado or two possible

SUMMARY...Thunderstorms are expected to rapidly develop this
afternoon along an approaching cold front and move across the watch
area.  Large hail and damaging wind gusts will be possible in the
stronger cells.  An isolated tornado or two is also possible.

The severe thunderstorm watch area is approximately along and 75
statute miles east and west of a line from 45 miles north northwest
of Traverse City MI to 65 miles southeast of Racine WI. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU1).

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
2.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
28035.

...Hart