566
NWUS53 KGRB 130448
LSRGRB

Preliminary Local Storm Report...Summary
National Weather Service Green Bay WI
1148 PM CDT Wed Aug 12 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1120 PM     Tstm Wnd Dmg     Stratford               44.80N 90.08W
08/11/2026                   Marathon           WI   911 Call Center

            Dispatch reported multiple power lines down
            and couple trees down with the storms. Time
            estimated via radar.

1229 AM     Hail             1 NE Evergreen          44.85N 89.62W
08/12/2026  M1.50 Inch       Marathon           WI   Public

            Report from mPING: Ping Pong Ball (1.50
            in.).

1248 AM     Hail             1 N Ringle              44.92N 89.41W
08/12/2026  E1.00 Inch       Marathon           WI   Public

            Report from mPING: Quarter (1.00 in.).

1254 AM     Hail             1 WNW Hatley            44.88N 89.34W
08/12/2026  M1.00 Inch       Marathon           WI   Public

            Reported via social media.

0131 AM     Hail             4 SW Mattoon            44.96N 89.09W
08/12/2026  M1.50 Inch       Shawano            WI   Cocorahs

            Delayed report for 5.9 ENE Birnamwood. Ping
            pong ball sized hail observed for 14 min.
            Time based on radar.

0335 AM     Tstm Wnd Gst     1 W Suring              45.00N 88.40W
08/12/2026  M55 MPH          Oconto             WI   Mesonet

            Gust measured on private weather station as
            thunderstorms moved through.


&&

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