SPC Severe Thunderstorm Watch 539
WW 539 SEVERE TSTM WI 210130Z - 210600Z

Severe Thunderstorm Watch Number 539
NWS Storm Prediction Center Norman OK
830 PM CDT Tue Sep 20 2022

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of
West central Wisconsin

* Effective this Tuesday night and Wednesday morning from 830 PM
until 100 AM CDT.

* Primary threats include...
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
Isolated damaging wind gusts to 60 mph possible

SUMMARY...A small cluster of supercells near the Mississippi River
will move east-southeastward into west central Wisconsin, with
attendant threats of large hail (1.5 to 2.0 inches in diameter) and
isolated outflow gusts up to 60 mph.

The severe thunderstorm watch area is approximately along and 35
statute miles north and south of a line from 60 miles west of Eau
Claire WI to 60 miles east of Eau Claire WI. For a complete
depiction of the watch see the associated watch outline update


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


AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 50 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector


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