Dense Fog, Sauk
- When
- April 6, 12:00 AM CST to 6:00 AM CST
- Where
- Sauk forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 43.427, -89.948 (the zone’s center; the record gives no point)
Dense Fog in Wisconsin, April 6, 2001
reducing visibilities to 1/8 to 1/4 mile. About a dozen vehicle accidents were reported.
Where it happened
Every event with a place to put it; 3 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 3
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 MKX wrote it up.
Dense fog developed overnight...reducing visibilities to 1/8 to 1/4 mile. About a dozen vehicle accidents were reported.
The radar
The national radar mosaic for the moment the first event began.
Event by event
3 dense fog. Local standard time, as filed.
Dense Fog, Iowa
- When
- April 6, 12:00 AM CST to 6:00 AM CST
- Where
- Iowa forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 43.001, -90.135 (the zone’s center; the record gives no point)
Dense Fog, Lafayette
- When
- April 6, 12:00 AM CST to 6:00 AM CST
- Where
- Lafayette forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 42.661, -90.132 (the zone’s center; the record gives no point)
What these are
- Dense Fog
- Fog reducing visibility to a quarter mile or less, filed where it caused accidents or disruption.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornadoes and Hail in Kansas, April 6, 2001
- Hail and Damaging Winds in Ohio, April 6, 2001
- Tornado and Hail in Texas, April 6, 2001
- High Wind in New Mexico, April 6, 2001
- Rip Current in Florida, April 6, 2001
- Hail and Damaging Winds in Oklahoma, April 6, 2001
- Flood in North Dakota, April 6 to 30, 2001
- Flood in Minnesota, April 6 to 30, 2001
- Flood in North Dakota, April 6 to 30, 2001
- Flood in Minnesota, April 6 to 30, 2001
- Flood in Minnesota, April 6 to 27, 2001
- Damaging Winds in Iowa, April 6, 2001
More
Every storm in Wisconsin in 2001Every state in 2001This day in weather historyWarnings in Wisconsin, April 2001
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: 5240186, 5240187, 5240188.