Flash Flood in Baraga County, Michigan
Flash Flood May 15, 2025 · Baraga County, Michigan
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
A localized area of up to 4.2 inches of rainfall fell (per a public source in Pequaming) in a few hours between about 12:30 AM through about 5 AM, with the Baraga and L'Anse CWOP stations recording rain rates of a quarter to half inch of rain per 15 minutes and various stations recorded 1-2+ inch per hour rates. This sudden rainfall caused road overtopping and washouts in the communities of Keweenaw Bay, Baraga, L'Anse, and Pequaming as well as rural surrounding areas. Bus routes were rerouted and beaches were closed due to wastewater backups causing E. Coli and Fecal Coliform contamination. Many basements and private drives were flooded as well. Local rivers such as the Silver River reported up to a 5 foot increase in only a few hours.
The wider storm
Training thunderstorms around the Keweenaw Bay produced impactful flash flooding in Baraga County on the morning of the 15th.
Began near Arnheim (46.8954, -88.4806).
Source: NOAA Storm Events Database, event 1266270. Narratives are written by the National Weather Service forecast office that issued the report.
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