Lake-Effect Snow, Iron
- When
- April 19, 2:00 PM CST to April 21, 2:00 PM CST
- Where
- Iron forecast zone
- Reported by
- Trained Spotter
- Coordinates
- 46.317, -90.264 (the zone’s center; the record gives no point)
Lake-Effect Snow in Wisconsin, April 19 to 21, 2009
A low pressure area combined with northwest winds off Lake Superior brought heavy late season lake effect snow to the Gogebic Range of northwest Wisconsin. The heaviest of the snow fell during the overnight hours of April 20.
Where it happened
Every event with a place to put it; 1 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
- 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 DLH wrote it up.
A low pressure area combined with northwest winds off Lake Superior brought heavy late season lake effect snow to the Gogebic Range of northwest Wisconsin. The heaviest of the snow fell during the overnight hours of April 20. Specific amounts include 17 inches at Gile, 16 inches at Pence, 12 inches in Upson, and 7 inches in Mercer.
The radar
The national radar mosaic for the moment the first event began.
Event by event
1 lake-effect snow. Local standard time, as filed.
What these are
- Lake-Effect Snow
- Heavy snow in bands downwind of a large lake as cold air crosses warmer water.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornadoes and Hail in Alabama, April 19, 2009
- Tornadoes and Hail in Alabama, April 19, 2009
- Tornadoes and Damaging Wind in Georgia, April 19, 2009
- Hail and Damaging Winds in Mississippi, April 19, 2009
- Winter Storm in Michigan, April 19 to 21, 2009
- Heavy Rain in Hawaii, April 19 to 21, 2009
- Heavy Snow in Wisconsin, April 19 to 21, 2009
- Lake-Effect Snow in Minnesota, April 19 to 21, 2009
- Marine Thunderstorm Wind in Gulf of Mexico, April 19, 2009
- Hail in Arkansas, April 19, 2009
- Waterspout in South Atlantic Coastal Waters, April 19, 2009
- Funnel Cloud in Alabama, April 19, 2009
More
Every storm in Wisconsin in 2009Every state in 2009This day in weather historyWarnings in Wisconsin, April 2009
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: 166928.