Severe Weather of May 2-3, 2012

Rainfall Storm Reports

On Wednesday night, severe storms formed over southern Minnesota and moved into parts of western Wisconsin.  Hardest hit areas extended from Mankato, MN east through Lake City and Wabasha, into Buffalo and Trempealeau counties in Wisconsin.  Numerous reports of large hail, very heavy rain, and wind damage were received.

Early Thursday morning, additional thunderstorms produced large hail and wind damage from northeast Iowa into La Crosse, WI. Large hail also fell across parts of central Wisconsin.

local storm reports radar loop
Graphic showing storm report locations

Radar Loop From 915 pm to 1045 pm May 2 2012. Severe Thunderstorm Warnings issued by NWS in yellow. 
(click for larger view)
(Click here for even larger movie)

nws logo Media use of NWS Web News Stories is encouraged. Please acknowledge the NWS as the source of any news information accessed from this site.

 


hail image hail image tree damage
Hail south of Lake City, MN Hail in Big Flats, WI Wind damage near Rushford, MN
hail image hail image  
Pile of hail in Wabasha Co. MN Drifts of hail left in a trout stream after the waters receded - Wabasha Co, MN  

 

Rainfall Totals

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
956 AM CDT THU MAY 03 2012

...24 HOUR RAINFALL TOTALS ACROSS THE AREA...

LOCATION                   RAINFALL    TIME     LAT/LON


NORTHEAST IOWA

...ALLAMAKEE COUNTY...
WAUKON                     0.28        0700 AM  43.27N 91.47W
DORCHESTER                 0.21        0700 AM  43.47N 91.51W
DORCHESTER HIGHWAY 76      0.12        0700 AM  43.42N 91.51W
HARPERS FERRY              0.01        0700 AM  43.17N 91.24W

...CHICKASAW COUNTY...
NEW HAMPTON                0.41        0700 AM  43.06N 92.31W
IONIA                      0.08        0700 AM  43.03N 92.50W

...CLAYTON COUNTY...
LITTLEPORT                 0.08        0700 AM  42.75N 91.37W
STRAWBERRY POINT           0.07        0700 AM  42.69N 91.53W
GUTTENBERG                 0.06        0700 AM  42.79N 91.10W
ELKADER 6SSW               0.03        0700 AM  42.79N 91.45W
VOLGA                      0.03        0700 AM  42.81N 91.52W
MARQUETTE                  0.01        0700 AM  43.04N 91.21W
ELKADER                    0.01        0700 AM  42.84N 91.40W

...FAYETTE COUNTY...
FAYETTE                    0.09        0700 AM  42.85N 91.82W
ELDORADO                   0.03        0700 AM  43.05N 91.81W
CLERMONT                   0.03        0700 AM  43.00N 91.66W
OELWEIN AWOS               0.03        0700 AM  42.68N 91.97W

...FLOYD COUNTY...
CHARLES CITY COOP          0.56        0700 AM  43.08N 92.67W
CHARLES CITY CEDAR RVR     0.37        0700 AM  43.06N 92.67W
CHARLES CITY AWOS          0.34        0700 AM  43.07N 92.61W
NASHUA                     0.13        0700 AM  42.94N 92.57W

...HOWARD COUNTY...
ELMA                       0.29        0700 AM  43.24N 92.44W

...MITCHELL COUNTY...
OSAGE                      0.18        0700 AM  43.28N 92.81W
ST ANSGAR                  0.08        0700 AM  43.37N 92.83W

...WINNESHIEK COUNTY...
DECORAH                    0.43        0700 AM  43.30N 91.80W
BLUFFTON                   0.16        0700 AM  43.41N 91.90W
CALMAR                     0.04        0700 AM  43.18N 91.87W

SOUTHEAST MINNESOTA

...DODGE COUNTY...
DODGE CENTER AWOS           T          0700 AM  44.03N 92.83W

...FILLMORE COUNTY...
HARMONY                    0.86        0700 AM  43.55N 92.01W
LANESBORO                  0.18        0700 AM  43.72N 91.97W
PRESTON                    0.12        0700 AM  43.67N 92.07W
HIGHLAND                   0.04        0700 AM  43.65N 91.84W
PILOT MOUND                0.03        0700 AM  43.78N 92.03W
SPRING VALLEY 3E           0.02        0700 AM  43.68N 92.33W
SPRING VALLEY              0.02        0700 AM  43.69N 92.39W
SPRING VALLEY 1 NW         0.02        0700 AM  43.70N 92.40W
PRESTON AWOS               0.01        0700 AM  43.68N 92.18W

...HOUSTON COUNTY...
SPRING GROVE 4N            0.72        0700 AM  43.61N 91.62W
CALEDONIA 1 NW             0.62        0700 AM  43.62N 91.48W
CALEDONIA                  0.30        0700 AM  43.63N 91.50W
BROWNSVILLE                0.12        0700 AM  43.70N 91.27W
MOUND PRAIRIE              0.08        0700 AM  43.78N 91.45W
HOUSTON                    0.04        0700 AM  43.77N 91.57W

...MOWER COUNTY...
AUSTIN                     0.05        0700 AM  43.67N 92.95W
AUSTIN 3S                  0.01        0700 AM  43.62N 93.00W
LANSING                    0.01        0700 AM  43.75N 92.95W
AUSTIN AWOS                0.01        0700 AM  43.67N 92.93W
GRAND MEADOW               0.01        0700 AM  43.71N 92.56W

...OLMSTED COUNTY...
ROCHESTER - BEAR CREEK     0.41        0700 AM  43.92N 92.48W
ELGIN                      0.40        0700 AM  44.10N 92.27W
ROCHESTER - SILVER CREEK   0.39        0700 AM  44.03N 92.42W
ROCHESTER - CASCADE CREEK  0.34        0700 AM  44.03N 92.48W
ROCHESTER BELTLINE         0.32        0700 AM  43.91N 92.50W
ROCHESTER AP 2NE           0.16        0700 AM  43.93N 92.48W
ROCHESTER ASOS             0.13        0700 AM
POST TOWN                  0.02        0700 AM  44.09N 92.82W

...WABASHA COUNTY...
LAKE CITY                  2.36        0700 AM  44.45N 92.26W
WABASHA                    2.21        0700 AM  44.39N 92.05W
KELLOGG                    1.97        0700 AM  44.32N 92.00W
LAKE CITY COOP             1.68        0700 AM  44.43N 92.28W
THEILMAN                   1.00        0700 AM  44.28N 92.19W

...WINONA COUNTY...
ALTURA 5W                  0.43        0700 AM  44.06N 92.04W
MINNESOTA CITY             0.23        0700 AM  44.16N 91.81W
ALTURA                     0.17        0700 AM  44.15N 92.01W
DAKOTA                     0.15        0700 AM  43.92N 91.37W
WINONA                     0.06        0700 AM  44.09N 91.67W
LA CRESCENT DAM 7          0.05        0700 AM  43.87N 91.31W
WINONA AWOS                 T          0700 AM  44.08N 91.70W

SOUTHWEST AND CENTRAL WISCONSIN

...ADAMS COUNTY...
FRIENDSHIP                 2.76        0700 AM  43.98N 89.83W

...BUFFALO COUNTY...
ALMA DAM 4                 1.49        0700 AM  44.33N 91.92W
MONDOVI 6S                 0.45        0700 AM  44.48N 91.67W
MONDOVI MIRROR LAKE        0.32        0700 AM  44.57N 91.67W

...CLARK COUNTY...
NEILLSVILLE 3SW            0.62        0700 AM  44.53N 90.64W
NEILLSVILLE                0.36        0700 AM  44.56N 90.61W
OWEN                       0.02        0700 AM  44.98N 90.55W

...CRAWFORD COUNTY...
LYNXVILLE DAM 9            0.10        0700 AM  43.21N 91.10W
SOLDIERS GROVE             0.08        0700 AM  43.39N 90.78W
STEUBEN                    0.07        0700 AM  43.18N 90.87W
PRAIRIE DU CHIEN           0.04        0700 AM  43.05N 91.13W
PRAIRIE DU CHIEN AWOS      0.01        0700 AM  43.30N 89.76W

...GRANT COUNTY...
BOSCOBEL ASOS              0.36        0700 AM  43.16N 90.68W
BOSCOBEL RAWS              0.35        0700 AM  43.15N 90.68W
LANCASTER 4WSW             0.07        0700 AM  42.83N 90.79W
BURTON                     0.04        0700 AM  42.72N 90.82W
ROCKVILLE                  0.03        0700 AM  42.73N 90.64W
SINSINAWA                  0.02        0700 AM  42.52N 90.54W
CUBA CITY                  0.02        0700 AM  42.63N 90.46W

...JACKSON COUNTY...
BLACK RIVER FALLS STP      1.64        0700 AM  44.29N 90.85W
HATFIELD DAM               1.40        0700 AM  44.41N 90.73W
BLACK RIVER FALLS RAWS     1.26        0700 AM  44.30N 90.84W
TAYLOR                     1.15        0700 AM  44.32N 91.12W
BLACK RIVER FALLS          1.14        0700 AM  44.38N 90.84W

...JUNEAU COUNTY...
NEW LISBON 4ENE            2.08        0700 AM  43.91N 90.07W
NECEDAH                    0.83        0700 AM  44.00N 90.04W
NECEDAH 1W                 0.78        0700 AM  44.02N 90.08W
NECEDAH 5WNW               0.73        0700 AM  44.06N 90.17W

...LA CROSSE COUNTY...
HOLMEN                     0.87        0700 AM  43.97N 91.27W
LA CROSSE 5SE              0.42        0700 AM  43.77N 91.15W
LA CROSSE  WFO             0.24        0700 AM  43.82N 91.19W
LA CROSSE ASOS             0.08        0700 AM  43.88N 91.26W
LA CROSSE                  0.08        0700 AM  43.80N 91.37W

...MONROE COUNTY...
SPARTA                     1.01        0700 AM  43.94N 90.82W
WARRENS                    0.95        0700 AM  44.10N 90.59W
TUNNEL CITY                0.74        0700 AM  44.01N 90.57W
CATARACT                   0.70        0700 AM  44.08N 90.85W
FOUR CORNERS               0.52        0700 AM  44.07N 90.92W
SPARTA - FT MCCOY AWOS     0.14        0700 AM

...RICHLAND COUNTY...
RICHLAND CENTER 1NW        0.33        0700 AM  43.36N 90.42W

...TAYLOR COUNTY...
JUMP RIVER                 0.77        0700 AM  45.36N 90.80W
MEDFORD                    0.15        0700 AM  45.13N 90.34W
LUBLIN DIAMOND LAKE        0.04        0700 AM  45.11N 90.69W
MEDFORD 4NW                0.03        0700 AM  45.21N 90.36W

...TREMPEALEAU COUNTY...
BLAIR 2NW                  2.00        0700 AM  44.31N 91.27W
OSSEO                      0.46        0700 AM  44.58N 91.22W
GALESVILLE 2WSW            0.32        0700 AM  44.07N 91.39W
GALESVILLE 3ENE            0.13        0700 AM  44.09N 91.29W
TREMPEALEAU DAM 6          0.05        0700 AM  44.00N 91.44W

...VERNON COUNTY...
WESTBY 3ENE                1.48        0700 AM  43.68N 90.81W
ONTARIO 3E                 1.05        0700 AM  43.72N 90.60W
VIROQUA 3ESE               1.03        0700 AM  43.55N 90.82W
ONTARIO                    0.99        0700 AM  43.72N 90.59W
COON VALLEY 5E             0.83        0700 AM  43.71N 90.92W
HILLSBORO                  0.69        0700 AM  43.65N 90.33W
VIROQUA                    0.59        0700 AM  43.55N 90.90W
VIROQUA 4NE                0.55        0700 AM  43.61N 90.82W
WESTBY 3SE                 0.55        0700 AM  43.62N 90.82W
LA FARGE                   0.48        0700 AM  43.57N 90.64W
LIBERTY POLE 2SW           0.48        0700 AM  43.49N 90.95W
GENOA                      0.17        0700 AM  43.57N 91.23W
READSTOWN                  0.16        0700 AM  43.45N 90.76W
WESTBY 2NNE                0.08        0700 AM  43.70N 90.85W

OBSERVATIONS ARE COLLECTED FROM A VARIETY OF SOURCES WITH VARYING
EQUIPMENT AND EXPOSURE. NOT ALL DATA LISTED IS CONSIDERED OFFICIAL.

FOR THIS...AND A WEALTH OF OTHER RIVER AND WEATHER INFORMATION...
VISIT OUR WEBSITE AT  WEATHER.GOV/LACROSSE

$$

 

Storm Reports

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE LA CROSSE WI
418 AM CDT FRI MAY 04 2012

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

0700 PM     HAIL             6 WNW WEST CONCORD      44.19N 93.01W
05/02/2012  E0.88 INCH       DODGE              MN   PUBLIC

            MULTIPLE REPORTS OF PEA TO NICKEL SIZE HAIL COVERING THE
            GROUND ACROSS FAR NORTHWEST DODGE COUNTY.

0728 PM     HAIL             1 SE PLAINVIEW          44.16N 92.15W
05/02/2012  M0.75 INCH       WABASHA            MN   TRAINED SPOTTER

0732 PM     HAIL             3 E PLAINVIEW           44.17N 92.11W
05/02/2012  M1.00 INCH       WABASHA            MN   PUBLIC

0733 PM     HAIL             3 ENE PLAINVIEW         44.18N 92.11W
05/02/2012  E0.50 INCH       WABASHA            MN   PUBLIC

            DIME SIZE HAIL

0825 PM     HAIL             2 NW BEAR VALLEY        44.33N 92.48W
05/02/2012  M1.00 INCH       WABASHA            MN   TRAINED SPOTTER

0830 PM     TSTM WND GST     OAK CENTER              44.35N 92.40W
05/02/2012  E57.00 MPH       WABASHA            MN   TRAINED SPOTTER

            ESTIMATED BETWEEN 53 AND 57 MPH

0833 PM     HAIL             2 W OAK CENTER          44.35N 92.44W
05/02/2012  M1.50 INCH       WABASHA            MN   AMATEUR RADIO

0838 PM     HAIL             2 NW OAK CENTER         44.37N 92.43W
05/02/2012  M1.75 INCH       WABASHA            MN   AMATEUR RADIO

0839 PM     HAIL             5 S LAKE CITY           44.37N 92.28W
05/02/2012  M1.00 INCH       WABASHA            MN   LAW ENFORCEMENT

0845 PM     HAIL             5 SW LAKE CITY          44.40N 92.35W
05/02/2012  M1.75 INCH       WABASHA            MN   LAW ENFORCEMENT

0855 PM     FLASH FLOOD      1 N OAK CENTER          44.36N 92.40W
05/02/2012                   WABASHA            MN   AMATEUR RADIO

            WATER 8 TO 9 INCHES DEEP OVER HWY 16

0857 PM     FLASH FLOOD      5 S LAKE CITY           44.37N 92.28W
05/02/2012                   WABASHA            MN   TRAINED SPOTTER

            4 TO 5 FT DITCHES FULL

0914 PM     HEAVY RAIN       4 WNW WABASHA           44.39N 92.12W
05/02/2012  M1.50 INCH       WABASHA            MN   AMATEUR RADIO

0914 PM     HEAVY RAIN       7 NW WABASHA            44.44N 92.15W
05/02/2012  M1.50 INCH       PEPIN              WI   AMATEUR RADIO

0914 PM     HAIL             4 WNW WABASHA           44.39N 92.12W
05/02/2012  M1.00 INCH       WABASHA            MN   AMATEUR RADIO

0915 PM     HAIL             WABASHA                 44.37N 92.05W
05/02/2012  M1.75 INCH       WABASHA            MN   LAW ENFORCEMENT

            CTY RD 10 JUST OUTSIDE OF WABASHA. 50 MPH WINDS ESTIMATED
            AS WELL.

0915 PM     HAIL             2 W WABASHA             44.37N 92.09W
05/02/2012  M1.75 INCH       WABASHA            MN   NWS EMPLOYEE

0925 PM     TSTM WND GST     WABASHA                 44.37N 92.05W
05/02/2012  M74.00 MPH       WABASHA            MN   LAW ENFORCEMENT

            TREES DOWN ACROSS CITY OF WABASHA

0925 PM     TSTM WND GST     KELLOGG                 44.31N 92.00W
05/02/2012  M62.00 MPH       WABASHA            MN   DEPT OF HIGHWAYS

            MNDOT SITE MN069 ON US HWY 61

0929 PM     TSTM WND GST     KELLOGG                 44.31N 92.00W
05/02/2012  M64.00 MPH       WABASHA            MN   DEPT OF HIGHWAYS

            MNDOT SITE MN069 IN KELLOGG ON US HWY 61

0931 PM     TSTM WND DMG     ALMA                    44.33N 91.92W
05/02/2012                   BUFFALO            WI   LAW ENFORCEMENT

            TREES DOWN AND POWER OUTAGES REPORTED VIA BUFFALO COUNTY
            SHERIFF.

0935 PM     TSTM WND DMG     3 E ALMA                44.33N 91.86W
05/02/2012                   BUFFALO            WI   LAW ENFORCEMENT

            TREES DOWN IN ALMA. PART OF A SHED LEANING ON POWER LINES
            EAST OF ALMA. TIME ESTIMATED BY RADAR.

0953 PM     FLASH FLOOD      2 SE LAKE CITY          44.43N 92.25W
05/02/2012                   WABASHA            MN   LAW ENFORCEMENT

            MUDSLIDES REPORTED ON HWY 61

0953 PM     FLASH FLOOD      3 SW LAKE CITY          44.42N 92.32W
05/02/2012                   WABASHA            MN   LAW ENFORCEMENT

            WATER OVER COUNTY RD 15 AT HWY 63

1000 PM     HAIL             STRUM                   44.55N 91.39W
05/02/2012  M1.00 INCH       TREMPEALEAU        WI   FIRE DEPT/RESCUE

            HAIL LASTED FOR 10 MINUTES. MOSTLY PEA TO NICKEL
            SIZE...BUT A FEW LARGER HAIL STONES TO THE SIZE OF
            QUARTERS ALSO OCCURRED. MANY REPORTS OF HAIL COVERING
            GROUND.

1003 PM     TSTM WND DMG     ARCADIA                 44.25N 91.49W
05/02/2012                   TREMPEALEAU        WI   BROADCAST MEDIA

            MOBILE HOME BLOWN OFF ITS FOUNDATION IN THE ARCADIA
            TRAILOR PARK. RELAYED VIA WEAU.

1005 PM     HAIL             6 NNE ARCADIA           44.33N 91.45W
05/02/2012  M1.25 INCH       TREMPEALEAU        WI   LAW ENFORCEMENT

1025 PM     TSTM WND DMG     WHITEHALL               44.37N 91.31W
05/02/2012                   TREMPEALEAU        WI   BROADCAST MEDIA

            TREES AND POWER LINES DOWN IN WHITEHALL AND
            BLAIR...REPORT RELAYED BY WKBT. TIME ESTIMATED BY RADAR.

1026 PM     TSTM WND DMG     BLAIR                   44.30N 91.23W
05/02/2012                   TREMPEALEAU        WI   BROADCAST MEDIA

            VIEWER REPORT OF HOUSES WITH SIDING AND ROOF DAMAGE VIA
            WKBT

1026 PM     TSTM WND DMG     BLAIR                   44.30N 91.23W
05/02/2012                   TREMPEALEAU        WI   BROADCAST MEDIA

            HOUSE WITH 4 WINDOWS BLOWN OUT DUE TO WIND AND HAIL.
            RELAYED VIA WKBT.

1026 PM     TSTM WND DMG     BLAIR                   44.30N 91.23W
05/02/2012                   TREMPEALEAU        WI   BROADCAST MEDIA

            REPORT FROM A VIEWER OF A BARN BLOWN DOWN. FIRE CREWS ARE
            REQUESTING TRAFFIC STAYS OUT DUE TO THE NUMBER OF TREES
            AND POWERLINES DOWN. RELAYED VIA WKBT.

1028 PM     TSTM WND DMG     BLAIR                   44.30N 91.23W
05/02/2012                   TREMPEALEAU        WI   TRAINED SPOTTER

            ROOF AND SIDING PULLED OFF. LARGE TREES UPROOTED


&&

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