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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 658
NWS Storm Prediction Center Norman OK
510 PM CDT Tue Aug 27 2024

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Northern Illinois
  Northwest Indiana
  Far Southeast Wisconsin
  Lake Michigan

* Effective this Tuesday afternoon and evening from 510 PM until
  1100 PM CDT.

* Primary threats include...
  Scattered damaging winds and isolated significant gusts to 75
    mph possible
  Scattered large hail and isolated very large hail events to 2
    inches in diameter possible

SUMMARY...Thunderstorms should continue to grow in coverage and
intensity this afternoon and evening as they move
east-southeastward. Large hail around 1-2 inches in diameter will be
a threat with any supercells, but severe/damaging winds generally
around 60-70 mph may also occur if thunderstorms can grow into a
small cluster.

The severe thunderstorm watch area is approximately along and 45
statute miles east and west of a line from 15 miles west of Racine
WI to 55 miles southeast of Marseilles IL. For a co*plete depiction
of the watch see the associated watch outline update (WOUS64 KWNS
WOU8).

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.

&&

OTHER WATCH INFORMATION...c*NTINUE...WW 656...WW 657...

AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
30025.

...Gleason