By Will Cushman/WisContext
On the morning of July 12, 2016, Joan Elias awoke to discover she was stranded in her home. Elias, who lives on 21 mostly-wooded acres in rural Iron County, was cut off from the outside world by an unexpected – and unprecedented – deluge.
A powerful storm system rolled in the night before and stalled over northwestern Wisconsin. In many locations it delivered a torrent of rain measuring 10 or more inches – a typical summer’s entire rainfall – in only 8 hours. Some locations in southern Ashland County received 14 inches of rain.
The landscape surrounding Elias’s home, within the town of Gurney, is a patchwork of forests and hayfields growing on clay soils that predominate beneath a wide expanse of northern Wisconsin. Clay is slow draining, so much so that it’s commonly used to line artificial ponds. The ground was already saturated by previous storms, meaning the clay had become a virtual regionwide plug for rain.
With nowhere else to drain, the rainfall choked streams and rivers with swirling runoff that resembled creamy tea, laden with the clay sediment and rich with red iron oxides. The water that rushed toward Lake Superior would reach volumes previously unheard of in many local riverbeds.
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Posted on August 19, 2019