National Weather Service Weather Forecast Office

Several severe thunderstorms developed ahead of a cold front across portions of northern Wisconsin Sunday May 20th.  These thunderstorms produced mainly large hail (up to quarter sized) between noon and 2 PM.  The image below shows preliminary storm reports compiled from the Storm Prediction Center.

The table below contains severe weather reports we received on May 20th.

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE LA CROSSE WI
313 PM CDT SUN MAY 20 2012

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

1237 PM     HAIL             COLBY                   44.91N 90.32W
05/20/2012  M0.25 INCH       CLARK              WI   LAW ENFORCEMENT

1239 PM     TSTM WND DMG     1 S ABBOTSFORD          44.93N 90.32W
05/20/2012                   CLARK              WI   TRAINED SPOTTER

            8 INCH DIAMETER TREE BRANCHES DOWN

1245 PM     HAIL             4 E STETSONVILLE        45.08N 90.23W
05/20/2012  M1.00 INCH       TAYLOR             WI   PUBLIC

0122 PM     HAIL             3 N HANNIBAL            45.29N 90.78W
05/20/2012  E1.00 INCH       TAYLOR             WI   PUBLIC

            HAIL LASTED ABOUT 5 MINUTES AND COVERED THE GROUND.

0133 PM     HAIL             1 N JUMP RIVER          45.37N 90.80W
05/20/2012  E0.25 INCH       TAYLOR             WI   CO-OP OBSERVER

            HAIL LASTED ABOUT 2 MINUTES.

0135 PM     TSTM WND GST     4 W WILLARD             44.73N 90.82W
05/20/2012  E45.00 MPH       CLARK              WI   CO-OP OBSERVER

0139 PM     HAIL             3 E JUMP RIVER          45.36N 90.74W
05/20/2012  M1.00 INCH       TAYLOR             WI   CO-OP OBSERVER

            A LOT OF PENNY TO NICKEL HAIL SIZE HAIL STONES...ALONG
            WITH A FEW QUARTER SIZE.

0153 PM     HAIL             3 ESE STETSONVILLE      45.06N 90.26W
05/20/2012  E0.25 INCH       TAYLOR             WI   PUBLIC

0158 PM     HAIL             4 E STETSONVILLE        45.08N 90.23W
05/20/2012  E0.25 INCH       TAYLOR             WI   PUBLIC

0200 PM     TSTM WND DMG     5 E STETSONVILLE        45.08N 90.21W
05/20/2012                   TAYLOR             WI   LAW ENFORCEMENT

            ROOF BLOWN OFF AN OLDER BUILDING ALONG COUNTY HWY A NEAR
            THE TAYLOR AND MARATHON COUNTY LINE

0202 PM     HAIL             GAD                     45.12N 90.20W
05/20/2012  M0.75 INCH       TAYLOR             WI   CO-OP OBSERVER


&&

$$

BOYNE