Flash Flood — Oconto, Wisconsin

2022-05-12 · near Klondike, Oconto, Wisconsin

Event narrative

Several rounds of thunderstorms dumped upwards of 7 inches of rain over central Oconto County during the late afternoon and evening hours. This caused damage to area roads, bridges, culverts, and parks across the central part of the county as well as several area roads to be washed out. The hardest hit areas were in or near the city of Spruce and north of Gillett.

Wider weather episode

Scattered thunderstorms developed along an instability ribbon from central to northeast Wisconsin during the afternoon hours on Thursday (5/12). The strongest storms produced large hail across this area. Further north, an outflow boundary caused wind damage across portions of north-central Wisconsin. Repeated rounds of moderate to heavy rain dumped upwards of 7 inches of rain across central Oconto County and southern Marinette County during the late afternoon and evening hours, causing $465,500 worth of damage to area roads and bridges across these counties.

View location on OpenStreetMap → (45.1099, -88.1193)

Source: NOAA Storm Events Database, event_id 1016793. Narrative written by the NWS forecast office that issued the report.