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WWUS20 KWNS 040054

SEL6

SPC WW 040054

ILZ000-INZ000-040500-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 136

NWS Storm Prediction Center Norman OK

755 PM CDT Mon May 3 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  A small part of east central Illinois

  A small aprt of southwest Indiana



* Effective this Monday night from 755 PM until Midnight 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

  A tornado or two possible



SUMMARY...Clusters of severe storms in Illinois, with embedded

supercell structures, could persist for a few more hours while

moving east-southeastward into southwest Indiana.  The strongest

storms will continue to pose a threat for large hail/damaging winds,

and an isolated tornado or two cannot be ruled out through about

10-11 pm EDT.



The severe thunderstorm watch area is approximately along and 60

statute miles east and west of a line from 5 miles north of Terre

Haute IN to 50 miles east of Salem IL. For a complete depiction of

the watch see the associated watch outline update (WOUS64 KWNS

WOU6).



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 128...WW 130...WW

131...WW 132...WW 133...WW 134...WW 135...



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 450. Mean storm motion vector

29035.



...Thompson

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