An area of low pressure moved from the Southern Plains to across northern Indiana by the evening of Friday, November 10th. Precipitation developed to the north and west of this low center, moving into southeast Minnesota and northern Iowa overnight on Thursday, and then into western Wisconsin early on the morning of the 10th. Mild air was in place across the Upper Mississippi River Valley as the low moved in, resulting in a wide variety of precipitation types for the region. Showers and even a few thunderstorms affected parts of northeast Iowa, southern Wisconsin, and northern Illinois for much of day on 10th. Sleet was mixed in at times with these showers. To the north and northwest of there, enough colder air had been entrained into the storm system to create snow.
A band of snow set up from northern Iowa...extending northeast into north central Wisconsin. The movement of the surface low was such that this band sat nearly stationary over these areas for much of Friday morning. With accumulations of 1 to 2 inches per hour common, snow quickly accumulated. Locally, a 10 to 14 inch swath of snow was centered along an axis from near Austin, MN to around Withee, WI [see map below].
This band started to move east by the early afternoon, and continued to push east into eastern Wisconsin for Friday night. This quicker movement prevented the large snow accumulations that occured to the west.
PUBLIC INFORMATION STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 1129 AM CST SAT NOV 11 2006
...NOVEMBER 10TH SNOWFALL TOTALS ACROSS THE AREA... IN NORTHEAST IOWA... LOCATION COUNTY SNOWFALL -------- ------ -------- OTRANTO MITCHELL 5.0 LANSING 4SE ALLAMAKEE 3.6 DORCHESTER ALLAMAKEE 3.6 KENDALLVILLE 3N WINNESKIEK 3.5 ROCKFORD FLOYD 3.3 DECORAH 10NE WINNESHIEK 3.0 ELMA HOWARD 3.0 LE ROY 2S HOWARD 3.0 SAINT ANSGAR MITCHELL 3.0 DECORAH WINNESKIEK 2.6 CRESCO HOWARD 2.5 IONIA 2W CHICKASAW 2.2 WAUCOMA 3N WINNESHIEK 2.1 CLERMONT FAYETTE 2.0 CHARLES CITY FLOYD 2.0 WEST UNION FAYETTE 1.5 EDGEWOOD CLAYTON 0.6 WADENA FAYETTE 0.5 OELWEIN 1E FAYETTE 0.5 FAYETTE FAYETTE 0.3 ELKADER 6SSW CLAYTON T
IN SOUTHEAST MINNESOTA...
LOCATION COUNTY SNOWFALL -------- ------ -------- BYRON 4N OLMSTED 13.0 MANTORVILLE DODGE 12.0 ROCHESTER NW SIDE OLMSTED 11.8 KASSON DODGE 11.5 ROCHESTER AP 2NE OLMSTED 10.5 PINE ISLAND 4S OLMSTED 9.5 ROCHESTER KTTC-TV OLMSTED 9.5 ORONOCO 2E OLMSTED 9.2 AUSTIN MOWER 9.0 MINNEISKA 2S WINONA 9.0 ZUMBRO FALLS WABASHA 9.0 THEILMAN 1SSW WABASHA 8.6 WEST CONCORD DODGE 8.5 DODGE CENTER DODGE 8.1 HAMMOND 1S WABASHA 8.0 ELGIN 2SSW OLMSTED 7.9 STEWARTVILLE OLMSTED 7.1 WABASHA WABASHA 7.0 OAK CENTER WABASHA 6.5 CHATFIELD 4W FILLMORE 5.8 GRAND MEADOW MOWER 5.3 LYLE MOWER 5.0 LEWISTON WINONA 4.8 CALEDONIA 6S HOUSTON 4.3 WINONA WINONA 4.2 GOODVIEW WINONA 3.8 FOUNTAIN FILLMORE 3.5 SPRING GROVE 4N HOUSTON 3.3 RENO 3SW HOUSTON 3.2 LANESBORO FILLMORE 3.0 MUSCODA GRANT 3.0 PRESTON FILLMORE 2.8 HIGHLAND 2SE FILLMORE 2.8 CALEDONIA 2S HOUSTON 2.5
IN WESTERN WISCONSIN...
LOCATION COUNTY SNOWFALL -------- ------ -------- OSSEO TREMPEALEAU 16.5 MEDFORD TAYLOR 13.5 BUFFALO CITY BUFFALO 13.0 LONGWOOD CLARK 12.0 GAD TAYLOR 11.0 MEDFORD 4NW TAYLOR 10.3 OWEN 2N CLARK 10.2 INDEPENDENCE 3NE TREMPEALEAU 10.0 MEDFORD 3N TAYLOR 10.0 MONDOVI 6S BUFFALO 10.0 WITHEE CLARK 9.5 WESTBORO 4E TAYLOR 9.0 GOODRICH 1E TAYLOR 9.0 NEW ROME ADAMS 7.8 ARCADIA TREMPEALEAU 7.4 HUMBIRD 2NE CLARK 6.2 MATHER 3NW JACKSON 6.0 WARRENS 5WSW MONROE 5.8 GALESVILLE 2E TREMPEALEAU 5.3 TOMAH MONROE 5.3 WILTON 3SE MONROE 5.2 BIG FLATS ADAMS 5.0 HOLLAND LA CROSSE 5.0 WEST SALEM LA CROSSE 5.0 NECEDAH JUNEAU 5.0 HIXTON 5W JACKSON 5.0 TAYLOR JACKSON 5.0 ONTARIO VERNON 5.0 VIROQUA VERNON 5.0 ETTRICK TREMPEALEAU 4.8 BLAIR TREMPEALEAU 4.5 CHASEBURG 2S VERNON 4.5 WESTBY 3ENE VERNON 4.2 FRIENDSHIP ADAMS 4.0 LA CROSSE 1SE LA CROSSE 4.0 HILLSBORO VERNON 4.0 HOLMEN 2S LA CROSSE 3.7 LA CROSSE NWS LA CROSSE 3.6 BLACK RIVER FALLS STP JACKSON 3.5 BIG SPRING ADAMS 3.5 FOUR CORNERS MONROE 3.3 HATFIELD JACKSON 3.0 NEILLSVILLE 3SW CLARK 3.0 MUSCODA GRANT 3.0 LA CROSSE AIRPORT LA CROSSE 2.9 MAUSTON JUNEAU 2.8 LANCASTER GRANT 2.0 GAYS MILLS CRAWFORD 2.0 RICHLAND CENTER RICHLAND 1.3 CASSEVILLE 8NE GRANT 1.1 SINSINAWA GRANT 1.0 CUBA CITY 2NW GRANT 0.9 STEUBEN 4SE CRAWFORD 0.5 PLATTEVILLE GRANT 0.5
OBSERVATIONS ARE COLLECTED FROM A VARIETY OF SOURCES WITH VARYING EQUIPMENT AND EXPOSURE. NOT ALL DATA LISTED IS CONSIDERED OFFICIAL. $$
ADAMS/BOYNE/BROOKS
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