Probably everyone is familiar with the risk of floodwaters lifting or pushing a vehicle when the vehicle enters deep water, but a different danger (and one new to me) was made evident during this past week's floods in Duluth.
As the city received a summer's worth of rain - nine inches - in one storm, the water cascaded down hillsides and roads, running beneath the pavement to undermine the support for the asphalt. So even where there's not an visible washout or pothole, driving can be hazardous.
You learn something every day.
The flooding, btw, also wiped out a year or two's worth of steelhead trout from the area's rivers and streams because of habitat destruction and heavy sediment load in the water.
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