Source: US National Oceanic and Atmospheric Administration
WW 253 TORNADO IL WI 152005Z – 160300Z
URGENT – IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 253
NWS Storm Prediction Center Norman OK
305 PM CDT Thu May 15 2025
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Far Northern Illinois
Central/Eastern/Southern Wisconsin
* Effective this Thursday afternoon and evening from 305 PM until
1000 PM CDT.
* Primary threats include…
A few tornadoes and a couple intense tornadoes possible
Scattered large hail and isolated very large hail events to 3
inches in diameter likely
Scattered damaging wind gusts to 70 mph likely
SUMMARY…Thunderstorms are expected to develop along a warm front
and move into the region over the next several hours. Environmental
conditions support supercells capable of all severe hazards,
including large to very large hail and tornadoes.
The tornado watch area is approximately along and 60 statute miles
east and west of a line from 40 miles northeast of Wausau WI to 20
miles south southwest of Janesville WI. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
WOU3).
PRECAUTIONARY/PREPAREDNESS ACTIONS…
REMEMBER…A Tornado Watch means conditions are favorable for
tornadoes and 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.
&&
OTHER WATCH INFORMATION…CONTINUE…WW 251…WW 252…
AVIATION…Tornadoes and a few severe thunderstorms with hail
surface and aloft to 3 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 21030.
…Mosier
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