Fog develop across southeast Minnesota and reduced the visibility to less than mile for an extended period starting on the 29th and continuing through much of the 30th. One person was killed in a car accident on U.S. Highway 63 in Mower County. During this period, an extended period of dense fog with visibilities of a quarter mile or less occurred. A brief period of freezing drizzle also occurred during the late afternoon of the 31st creating a glaze of ice on exposed surfaces. As an area of low pressure moved across the Midwest, warm air spread over the region and caused the deep snow pack to begin melting which resulted in the formation of the fog.

Dense Fog in DODGE, MINNESOTA
From 29-DEC-10 14:00:00 to 30-DEC-10 19:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

The automated weather observing equipment at the Dodge Center airport reported visibilities in fog at or below 1 mile from the morning of the 29th into the evening of the 30th. During this period, the visibility was reduced to a quarter of a mile or less from the morning into the evening of the 30th.

Dense Fog in HOUSTON, MINNESOTA
From 29-DEC-10 15:00:00 to 30-DEC-10 17:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Unknown

The visibility in fog was at or below 1 mile from the morning of the 29th into the late afternoon of the 30th. During this period, the visibility was reduced to a quarter of mile or less from the early morning into the afternoon of the 30th.

Dense Fog in WINONA, MINNESOTA
From 29-DEC-10 15:00:00 to 30-DEC-10 17:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Unknown

The visibility in fog was reduced to less than mile from the morning of the 29th into the late afternoon of the 30th. During this period, the visibility was reduced to a quarter of mile or less from the early morning into the afternoon of the 30th.

Winter Weather in FILLMORE, MINNESOTA
From 31-DEC-10 16:45:00 to 31-DEC-10 17:45:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A brief period of freezing drizzle during the late afternoon of the 31st created a glaze of ice on exposed surfaces. No accidents were reported.

Dense Fog in OLMSTED, MINNESOTA
From 29-DEC-10 14:00:00 to 30-DEC-10 20:15:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The automated weather observing equipment at the Rochester International airport reported visibilities in fog at or below 1 mile from the morning of the 29th into the evening of the 30th. During this period, the visibility was reduced to a quarter of mile or less from the early morning into the evening of the 30th.

Dense Fog in WABASHA, MINNESOTA
From 29-DEC-10 15:00:00 to 30-DEC-10 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Unknown

The visibility in fog was reduced to less than a mile from the morning of the 29th into the late afternoon of the 30th. During this period, the visibility was reduced to a quarter of mile or less from the early morning into the afternoon of the 30th.

Winter Weather in HOUSTON, MINNESOTA
From 31-DEC-10 17:00:00 to 31-DEC-10 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Unknown

A brief period of freezing drizzle late in the afternoon of the 31st created a glaze of ice on exposed surfaces. No accidents were reported.

Winter Weather in WINONA, MINNESOTA
From 31-DEC-10 17:00:00 to 31-DEC-10 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Unknown

A brief period of freezing drizzle during the late afternoon of the 31st created a glaze of ice on exposed surfaces. No accidents were reported.

Dense Fog in FILLMORE, MINNESOTA
From 29-DEC-10 12:15:00 to 30-DEC-10 20:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

The automated weather observing equipment at the Preston airport reported visibilities in fog at or below 1 mile from the early morning of the 29th into the evening of the 30th. During this period, the visibility was reduced to a quarter of a mile or less from the morning into the evening of the 30th.

Dense Fog in MOWER, MINNESOTA
From 29-DEC-10 12:00:00 to 30-DEC-10 19:30:00 (CST-6)
Property damage: 10.00K
Crop damage: 0.00K
Reported by: AWOS

One person was killed in a car accident, on U.S. Highway 63, that occurred when the visibility was reduced by fog. The automated weather observing equipment at the Austin airport reported visibilities at or below 1 mile from the early morning of the 29th into the evening of the 30th. During this period, the visibility was reduced to a quarter mile or less from the mid morning hours into the middle of the afternoon of the 29th and again from the middle of the morning into the late afternoon of the 30th.