Wisconsin, 2019

Lakeshore Flood in Wisconsin, May 18 to 19, 2019

May 18 to 19, 2019 · NWS GRB · 2 events in 2 counties and zones

High lake levels and a persistent northeast wind resulted in lakeshore flooding near Little Suamico in southeast Oconto County and around Suamico in northern Brown County. Flooding in the Green Bay area caused the cancellation of a marathon that was scheduled to start on the morning of May 19.

Where it happened

Every event with a place to put it; 2 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

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The toll

Deaths
0
Injuries
0
Property damage
$10,000
Crop damage
None recorded
Events
2

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 GRB wrote it up.

High lake levels and a persistent northeast wind resulted in lakeshore flooding near Little Suamico in southeast Oconto County and around Suamico in northern Brown County. Flooding in the Green Bay area caused the cancellation of a marathon that was scheduled to start on the morning of May 19.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Green Bay, WI wrote its last area forecast discussion before the first event at May 18, 5:52 PM CST, 2 hours 8 minutes earlier.

Area forecast discussion, May 18, 5:52 PM CST, 2 hours 8 minutes before
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Hazardous weather outlook, May 18, 1:51 PM CST, 6 hours 9 minutes before
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The radar

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

Open the radar archive at this moment

Event by event

2 lakeshore flood. Local standard time, as filed.

Lakeshore Flood, Brown

When
May 18, 8:00 PM CST to May 19, 5:00 PM CST
Where
Brown forecast zone
Property damage
$5,000
Reported by
Law Enforcement
Coordinates
44.474, -87.993 (the zone’s center; the record gives no point)

Lakeshore flooding impacted properties near Sunset Beach Road in Suamico.

Lakeshore Flood, Southern Oconto

When
May 19, 5:00 AM CST to 5:00 PM CST
Where
Southern Oconto forecast zone
Property damage
$5,000
Reported by
Emergency Manager
Coordinates
44.999, -88.221 (the zone’s center; the record gives no point)

Lakeshore flooding impacted several properties in southeast Oconto County, near Little Suamico. At least one house had water in its basement.

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 Wisconsin in 2019Every state in 2019This day in weather historyWarnings in Wisconsin, 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 2026-10-01. Each event’s entry at NCEI: 830984, 825340.