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Flood — Jo Daviess, IL

Apr 13, 2011

Water from snow-melt in the upper Midwest moved south through the Mississippi River basin causing major flooding along the Mississippi River.||The snowfall was well above normal for the 2010-11 winter in much of Minnesota and Wisconsin. Minneapolis, MN recorded 86.6 inches of snow, which is 30 inches above normal. Snowfall in eastern Iowa, northwest Illinois, and northeast Missouri totaled 35 to 65 inches, which was 10 to 20 inches above normal.||The snow-melt flood crest reached Dubuque on Apri

Source: NOAA National Weather Service Storm Events Database (event 288767). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Jo Daviess, IL

This event is one of many recorded floods in Jo Daviess County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

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More Flood Stories

Flash Flood3 deaths$7.0M damage

Jo Daviess, IL · Jul 27, 2011

Hot and humid conditions prevailed across the region July 27, as a warm front lifted northward into northeast Iowa. Showers and thunderstorms developed along the Highway 20 corridor in Dubuque, Jo Daviess and Stephenson Counties during the early evening hours of July 27.

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Flash Flood$1.0M damage

Jo Daviess, IL · Jul 23, 2010

Thunderstorms with extremely heavy rain developed along a stationary front and moved from northeast Iowa into northwest Illinois. Some locations measured 5 to 7 inches of rainfall, causing localized flash flooding and pushing numerous creeks out of their banks.

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Flood$1.0M damage

Jo Daviess, IL · May 20, 2003

A pattern change at the end of April brought a series of heavy rain producing systems to Eastern Iowa and Northern Illinois over the first 10 days of the month. Area rivers responded with the Iowa River going above flood stage starting on the 10th.

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Flash Flood$500K damage

Jo Daviess, IL · Jul 24, 2010

Still supported by a nearby stationary front, a second round of thunderstorms dropped another 3-5 inches of rain across northwest Illinois during the overnight hours of July 23rd into the early morning of July 24th.

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