Michigan, 2019

Lakeshore Flood in Michigan, May 7 to 12, 2019

May 7 to 12, 2019 · NWS DTX · 1 event in 1 county or zone

Persistent strong north to east winds and extremely high river levels along the St. Clair River caused numerous roads and buildings to be flooded in Algonac and Harsens Island.

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

Open the live radar over this ground

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 DTX wrote it up.

Persistent strong north to east winds and extremely high river levels along the St. Clair River caused numerous roads and buildings to be flooded in Algonac and Harsens Island. The water level at Algonac peaked at 60 inches above LWD on May 9th around 230 PM LST.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

1 lakeshore flood. Local standard time, as filed.

Lakeshore Flood, St. Clair

When
May 7, 11:00 AM EST to May 12, 4:00 AM EST
Where
St. Clair forecast zone
Reported by
Emergency Manager
Coordinates
42.931, -82.664 (the zone’s center; the record gives no point)

What these are

Lakeshore Flood
Flooding along the shore of one of the Great Lakes or another large lake.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Michigan in 2019Every state in 2019This day in weather historyWarnings in Michigan, May 2019

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 2026-09-24. Each event’s entry at NCEI: 830432.