Dense Fog, Ozaukee
- When
- April 13, 1:00 AM CST to 7:30 AM CST
- Where
- Ozaukee forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 43.403, -87.891 (the zone’s center; the record gives no point)
Dense Fog in Wisconsin, April 13, 2002
Dense fog developed during the overnight hours, lowering visibilities to 18 to 1/4 mile. Several airplane flights were delayed at most airports.
Where it happened
Every event with a place to put it; 20 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
- 20
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 during the overnight hours, lowering visibilities to 18 to 1/4 mile. Several airplane flights were delayed at most airports.
The radar
The national radar mosaic for the moment the first event began.
Event by event
20 dense fog. Local standard time, as filed.
Dense Fog, Iowa
- When
- April 13, 1:00 AM CST to 7:30 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, Dane
- When
- April 13, 1:00 AM CST to 7:30 AM CST
- Where
- Dane forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 43.067, -89.418 (the zone’s center; the record gives no point)
Dense Fog, Jefferson
- When
- April 13, 1:00 AM CST to 7:30 AM CST
- Where
- Jefferson forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 43.021, -88.776 (the zone’s center; the record gives no point)
Dense Fog, Waukesha
- When
- April 13, 1:00 AM CST to 7:30 AM CST
- Where
- Waukesha forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 43.018, -88.304 (the zone’s center; the record gives no point)
Dense Fog, Milwaukee
- When
- April 13, 1:00 AM CST to 7:30 AM CST
- Where
- Milwaukee forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 43.022, -87.929 (the zone’s center; the record gives no point)
Dense Fog, Lafayette
- When
- April 13, 1:00 AM CST to 7:30 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)
Dense Fog, Green
- When
- April 13, 1:00 AM CST to 7:30 AM CST
- Where
- Green forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 42.680, -89.602 (the zone’s center; the record gives no point)
Dense Fog, Rock
- When
- April 13, 1:00 AM CST to 7:30 AM CST
- Where
- Rock forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 42.671, -89.072 (the zone’s center; the record gives no point)
Dense Fog, Walworth
- When
- April 13, 1:00 AM CST to 7:30 AM CST
- Where
- Walworth forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 42.669, -88.542 (the zone’s center; the record gives no point)
Dense Fog, Racine
- When
- April 13, 1:00 AM CST to 7:30 AM CST
- Where
- Racine forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 42.730, -87.812 (the zone’s center; the record gives no point)
Dense Fog, Kenosha
- When
- April 13, 1:00 AM CST to 7:30 AM CST
- Where
- Kenosha forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 42.573, -87.840 (the zone’s center; the record gives no point)
Dense Fog, Marquette
- When
- April 13, 1:00 AM CST to 7:30 AM CST
- Where
- Marquette forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 43.820, -89.399 (the zone’s center; the record gives no point)
Dense Fog, Green Lake
- When
- April 13, 1:00 AM CST to 7:30 AM CST
- Where
- Green Lake forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 43.800, -89.045 (the zone’s center; the record gives no point)
Dense Fog, Fond du Lac
- When
- April 13, 1:00 AM CST to 7:30 AM CST
- Where
- Fond du Lac forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 43.754, -88.488 (the zone’s center; the record gives no point)
Dense Fog, Sheboygan
- When
- April 13, 1:00 AM CST to 7:30 AM CST
- Where
- Sheboygan forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 43.756, -87.800 (the zone’s center; the record gives no point)
Dense Fog, Sauk
- When
- April 13, 1:00 AM CST to 7:30 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, Columbia
- When
- April 13, 1:00 AM CST to 7:30 AM CST
- Where
- Columbia forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 43.467, -89.334 (the zone’s center; the record gives no point)
Dense Fog, Dodge
- When
- April 13, 1:00 AM CST to 7:30 AM CST
- Where
- Dodge forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 43.416, -88.707 (the zone’s center; the record gives no point)
Dense Fog, Washington
- When
- April 13, 1:00 AM CST to 7:30 AM CST
- Where
- Washington forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 43.369, -88.231 (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
- High Wind in Washington, April 13 to 14, 2002
- Wildfire in Wyoming, April 13 to 14, 2002
- Hail and Damaging Winds in Oklahoma, April 13, 2002
- Hail and Damaging Winds in Texas, April 13, 2002
- Flash Flood in Missouri, April 13 to 14, 2002
- Hail in Texas, April 13, 2002
- Flood in Vermont, April 13 to 14, 2002
- Flash Flood and Hail in Texas, April 13, 2002
- Flood in Vermont, April 13 to 14, 2002
- Lightning Strike in Maine, April 13, 2002
- Hail and Damaging Wind in Texas, April 13, 2002
- Flood in Vermont, April 13 to 14, 2002
More
Every storm in Wisconsin in 2002Every state in 2002This day in weather historyWarnings in Wisconsin, April 2002
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: 5289368, 5289369, 5289370, 5289371, 5289372, 5289373, 5289374, 5289375, 5289376, 5289377, 5289378, 5289379, 5289743, 5289744, 5289745, 5289746, 5289747, 5289748, 5289749, 5289750.