Dense Fog, Iowa
- When
- January 26, 3:00 AM CST to 2:00 PM CST
- Where
- Iowa forecast zone
- Reported by
- AWOS
- Coordinates
- 43.001, -90.135 (the zone’s center; the record gives no point)
Dense Fog in Wisconsin, January 26, 2012
with dense fog developing in the southwest third of the Milwaukee/Sullivan forecast area. Visibilities fell to between 1/4 and 1/8 of a mile.
Where it happened
Every event with a place to put it; 5 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
- 5
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.
A light southerly flow ahead of a weak trough of low pressure brought increasing low-level moisture into southern Wisconsin during the overnight hours...with dense fog developing in the southwest third of the Milwaukee/Sullivan forecast area. Visibilities fell to between 1/4 and 1/8 of a mile.
The radar
The national radar mosaic for the moment the first event began.
Event by event
5 dense fog. Local standard time, as filed.
Dense Fog, Dane
- When
- January 26, 3:00 AM CST to 2:00 PM CST
- Where
- Dane forecast zone
- Reported by
- ASOS
- Coordinates
- 43.067, -89.418 (the zone’s center; the record gives no point)
Dense Fog, Lafayette
- When
- January 26, 3:00 AM CST to 2:00 PM CST
- Where
- Lafayette forecast zone
- Reported by
- Law Enforcement
- Coordinates
- 42.661, -90.132 (the zone’s center; the record gives no point)
Dense Fog, Green
- When
- January 26, 3:00 AM CST to 2:00 PM CST
- Where
- Green forecast zone
- Reported by
- AWOS
- Coordinates
- 42.680, -89.602 (the zone’s center; the record gives no point)
Dense Fog, Rock
- When
- January 26, 3:00 AM CST to 2:00 PM CST
- Where
- Rock forecast zone
- Reported by
- AWOS
- Coordinates
- 42.671, -89.072 (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
- Flooding and Heavy Rain in Ohio, January 26 to 27, 2012
- Strong Wind in North Carolina, January 26, 2012
- Flash Flooding and Flood in Alabama, January 26, 2012
- Damaging Winds in Florida, January 26, 2012
- Tornado and Damaging Winds in Alabama, January 26, 2012
- Damaging Winds in Tennessee, January 26, 2012
- Lightning Strike in Alabama, January 26, 2012
- Tornado and Heavy Rain in Alabama, January 26, 2012
- Winter Weather in Colorado, January 26 to 27, 2012
- Flooding in Illinois, January 26 to 31, 2012
- Storm Surge and High Wind in Washington, January 26, 2012
- Flooding in Arkansas, January 26 to 31, 2012
More
Every storm in Wisconsin in 2012Every state in 2012This day in weather historyWarnings in Wisconsin, January 2012
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 2026-09-30. Each event’s entry at NCEI: 362577, 362578, 362579, 362580, 362581.