Minnesota, 2014

Freezing Fog in Minnesota, December 20 to 21, 2014

December 20 to 21, 2014 · NWS ARX · 1 event in 1 county or zone

A woman was killed in a December 20th traffic accident near Pilot Mound (Fillmore County) that occurred on icy roads. The icy roads developed from moisture that was deposited on the roads from fog with temperatures below freezing.

Where it happened

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The toll

Deaths
1
Injuries
1
Property damage
$5,000
Crop damage
None recorded
Events
1

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS ARX wrote it up.

A woman was killed in a December 20th traffic accident near Pilot Mound (Fillmore County) that occurred on icy roads. The icy roads developed from moisture that was deposited on the roads from fog with temperatures below freezing. According to police reports, the vehicle the woman was riding in went off the road because of the icy conditions and rolled into a ditch. The automated weather observing equipment at the Preston airport was reporting 3 miles visibility in fog with a temperature of 28 degrees at the time of the accident.

The radar

The national radar mosaic for the moment the first event began.

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Event by event

1 freezing fog. Local standard time, as filed.

Freezing Fog, Fillmore

When
December 20, 3:35 AM CST to December 21, 6:35 AM CST
Where
Fillmore forecast zone
Deaths
0 direct, 1 indirect
Injuries
0 direct, 1 indirect
Property damage
$5,000
Reported by
Broadcast Media
Coordinates
43.674, -92.090 (the zone’s center; the record gives no point)

A woman was killed in a one car accident that occurred near Pilot Mound during the evening of December 20th. Icy conditions developed from moisture deposited on the roads from fog with temperatures below freezing. The vehicle the woman was riding in went off the road because of the icy conditions and rolled into a ditch.

The people who died

As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.

EventDateAgeSexWhereKind
Freezing Fog, Fillmore2014-12-2027FemaleVehicle/Towed TrailerIndirect

What these are

Freezing Fog
Fog that froze on contact with roads, vehicles or structures.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Minnesota in 2014Every state in 2014This day in weather historyWarnings in Minnesota, December 2014

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 548028.