Alert archive / Illinois / River Flood Warnings in 2020

River Flood Warning 77, NWS Quad Cities, IA

July 16, 2020Hancock County, McDonough County, Illinois

NWS Quad Cities, IA issued this river flood warning at Jul 16, 2020, 12:21 AM CDT for Hancock County, McDonough County, Illinois. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Jul 16, 2020, 12:21 AM CDT (05:21 UTC)
Expired
Jul 16, 2020, 1:57 PM CDT
In force
14 hr
Issued by
NWS Quad Cities, IA
Area
Storm-based polygon
Flood severity
Minor

Counties Hancock County, IL, McDonough County, IL

The radar

The Quad Cities radar (KDVN), 134 km from the middle of the area, began a volume at 05:21 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The river

Written for the forecast point La Moine River at Colmar (CLMI2). The gauge peaked at 20.95 ft at Jul 16, 2020, 6:00 AM CDT.

actionminormoderate510152007/1607/17
Action stage
19 ft
Minor stage
20 ft
Moderate stage
22 ft
Major stage
24 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05584500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

Nearby

River Flood Warnings in Illinois, 2020Every river flood warning in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.