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WWUS20 KWNS 252343

SEL9

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ILZ000-INZ000-260400-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 319

NWS Storm Prediction Center Norman OK

745 PM EDT Fri Jun 25 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northeast Illinois

  Northwest Indiana



* Effective this Friday night from 745 PM until Midnight EDT.



* Primary threats include...

  Isolated damaging wind gusts to 65 mph possible

  Isolated large hail events to 1.5 inches in diameter possible

  A tornado or two possible



SUMMARY...A few cells may develop into a cluster near the

Illinois-Indiana border before spreading towards north-central

Indiana through late evening.



The severe thunderstorm watch area is approximately along and 55

statute miles north and south of a line from 20 miles north of

Danville IL to 40 miles southeast of South Bend IN. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU9).



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 314...WW 315...WW

316...WW 317...WW 318...



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

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

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

25025.



...Grams

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