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387 

WWUS20 KWNS 072130

SEL3

SPC WW 072130

WIZ000-080200-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 413

NWS Storm Prediction Center Norman OK

430 PM CDT Sat Aug 7 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Southern Wisconsin



* Effective this Saturday afternoon and evening from 430 PM until

  900 PM CDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph likely

  Scattered large hail events to 1.5 inches in diameter possible

  A tornado or two possible



SUMMARY...A cluster of intense thunderstorms has developed over

southwest Wisconsin.  These storms will track eastward late this

afternoon along a boundary, posing a risk of locally damaging wind

gusts and hail.  An isolated tornado or two is also possible.



The severe thunderstorm watch area is approximately along and 35

statute miles north and south of a line from 10 miles southwest of

Lonerock WI to 35 miles northeast of Janesville WI. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU3).



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 412...



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

1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A

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

29030.



...Hart

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