Alert archive / Iowa / River Flood Warnings in 2020

River Flood Warning 42, NWS Quad Cities, IA

May 30, 2020Clinton County, Scott County, Iowa

NWS Quad Cities, IA issued this river flood warning at May 30, 2020, 8:33 AM CDT for Clinton County, Scott County, Iowa. It took effect at Jun 1, 2020, 7:00 AM CDT. It was in force for 20 days.

The area

The counties it named.

The facts

Issued: May 30, 2020, 8:33 AM CDT (13:33 UTC)
In effect from: Jun 1, 2020, 7:00 AM CDT
Expired: Jun 20, 2020, 8:17 PM CDT
In force: 20 days
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Flood severity: Minor

Counties Clinton County, IA, Scott County, IA

The radar

The Quad Cities radar (KDVN), 17 km from the middle of the area, began a volume at 13:31 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 Wapsipinicon River near DeWitt (DEWI4). The gauge peaked at 13.09 ft at Jun 17, 2020, 7:00 AM CDT.

Action stage: 10 ft
Minor stage: 11 ft
Moderate stage: 11.5 ft
Major stage: 12.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05422000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Quad Cities, IA wrote its last area forecast discussion before this river flood warning went out at May 29, 6:50 PM CDT, 13 hours 43 minutes earlier.

Area forecast discussion, May 29, 6:50 PM CDT, 13 hours 43 minutes before

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Nearby

River Flood Warnings in Iowa, 2020 Every 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.