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Flood in Stephenson County, Illinois

Flood July 22, 2017 – July 25, 2017 · Stephenson County, Illinois

$7.0M
Damage as recorded
$500K
Crop damage

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Heavy rainfall of 3 to over 12 inches over significant areas from 20 to 22 July in southern Wisconsin and Northern Illinois moved downstream causing the Rock River to rise well above major flood stage levels just downstream of Freeport down to the Mississippi at Moline.

Freeport rose just below major flood stage level of 16.0 feet on July 23rd, 2017 at approximately 645 AM CST. It crested around 15.9 feet at approximately 10 AM CST on July 23rd, 2017 and fell below 15.5 feet at approximately 815 PM CST on July 25th.

Widespread river flooding and flash flooding resulted in a preliminary estimation of 7 to 8 million dollars in damage.

The wider storm

Heavy rainfall of 3 to over 12 inches over significant areas from 20 to 22 July in southern Wisconsin and Northern Illinois moved downstream causing the Rock River to rise well above major flood stage levels just downstream of Freeport down to the Mississippi at Moline.

Began near Winslow (42.4967, -89.8247).

Source: NOAA Storm Events Database, event 716606. Narratives are written by the National Weather Service forecast office that issued the report.

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