Dense Fog, Sheboygan
- When
- May 21, 8:00 AM CST to May 22, 8:00 AM CST
- Where
- Sheboygan forecast zone
- Reported by
- ASOS
- Coordinates
- 43.756, -87.800 (the zone’s center; the record gives no point)
Dense Fog in Wisconsin, May 21 to 22, 2010
Dense fog developed over southeast Wiscosnin along the Lake Michigan thanks to a cool, moist southeast flow from over the lake. Light rain occurred prior to the dense fog.
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.
Dense fog developed over southeast Wiscosnin along the Lake Michigan thanks to a cool, moist southeast flow from over the lake. Light rain occurred prior to the dense fog. Visibilities were reduced to 1/8 to 1/4 mile. Airplane flights were delayed at Milwaukee Mitchell Field.
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, Ozaukee
- When
- May 21, 8:00 AM CST to May 22, 8:00 AM CST
- Where
- Ozaukee forecast zone
- Reported by
- ASOS
- Coordinates
- 43.403, -87.891 (the zone’s center; the record gives no point)
Dense Fog, Milwaukee
- When
- May 21, 8:00 AM CST to May 22, 8:00 AM CST
- Where
- Milwaukee forecast zone
- Reported by
- ASOS
- Coordinates
- 43.022, -87.929 (the zone’s center; the record gives no point)
Dense Fog, Racine
- When
- May 21, 8:00 AM CST to May 22, 8:00 AM CST
- Where
- Racine forecast zone
- Reported by
- ASOS
- Coordinates
- 42.730, -87.812 (the zone’s center; the record gives no point)
Dense Fog, Kenosha
- When
- May 21, 8:00 AM CST to May 22, 8:00 AM CST
- Where
- Kenosha forecast zone
- Reported by
- ASOS
- Coordinates
- 42.573, -87.840 (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 Flash Flooding in Ohio, May 21 to 22, 2010
- Hail and Damaging Winds in Georgia, May 21, 2010
- Flash Flood and Hail in Mississippi, May 21, 2010
- Flash Flooding in Ohio, May 21 to 22, 2010
- Tornadoes in Kentucky, May 21, 2010
- Flash Flooding in Mississippi, May 21, 2010
- Flash Flood and Damaging Winds in Michigan, May 21 to 22, 2010
- Flash Flood in Indiana, May 21 to 22, 2010
- Hail and Damaging Winds in Georgia, May 21, 2010
- Dense Fog in Wisconsin, May 21 to 22, 2010
- Tornadoes and Flash Flooding in Illinois, May 21, 2010
- Hail in Texas, May 21, 2010
More
Every storm in Wisconsin in 2010Every state in 2010This day in weather historyWarnings in Wisconsin, May 2010
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: 237428, 237429, 237431, 237432, 237433.