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URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 82

NWS Storm Prediction Center Norman OK

525 PM CDT Tue Apr 7 2020



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Far east-central Iowa

  Northern Illinois

  Far northwest Indiana

  Lake Michigan



* Effective this Tuesday afternoon and evening from 525 PM until

  1100 PM CDT.



* Primary threats include...

  Scattered large hail and isolated very large hail events to 2.5

    inches in diameter possible

  Isolated damaging wind gusts to 65 mph possible

  A tornado or two possible



SUMMARY...A couple supercells may evolve into an east-southeast

progressing cluster along a cold front from far eastern Iowa through

northern Illinois this evening. Large hail should be the primary

hazard.



The severe thunderstorm watch area is approximately along and 35

statute miles north and south of a line from 75 miles west of

Rockford IL to 15 miles north of Valparaiso IN. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU2).



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...CONTINUE...WW 81...



AVIATION...A few severe thunderstorms with hail surface and aloft to

2.5 inches. Extreme turbulence and surface wind gusts to 55 knots. A

few cumulonimbi with maximum tops to 500. Mean storm motion vector

28035.



...Grams

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