Alert archive / Iowa / River Flood Warnings in 2020

River Flood Warning 28, NWS Quad Cities, IA

March 30, 2020Dubuque County, Iowa; Jo Daviess County, Illinois

NWS Quad Cities, IA issued this river flood warning at Mar 30, 2020, 10:32 AM CDT for Dubuque County, Iowa; Jo Daviess County, Illinois. It took effect at Apr 3, 2020, 7:00 PM CDT. It was in force for 14 days.

The area

The counties it named.

The facts

Issued: Mar 30, 2020, 10:32 AM CDT (15:32 UTC)
In effect from: Apr 3, 2020, 7:00 PM CDT
Expired: Apr 17, 2020, 8:57 AM CDT
In force: 14 days
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Flood severity: Moderate

Counties Dubuque County, IA, Jo Daviess County, IL

The radar

The Quad Cities radar (KDVN), 90 km from the middle of the area, began a volume at 15:36 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 Mississippi River at Dubuque (LD11) (DLDI4).

Action stage: 15 ft
Minor stage: 16 ft
Moderate stage: 17 ft
Major stage: 20.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record, 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 Mar 29, 3:27 PM CDT, 19 hours 5 minutes earlier.

Area forecast discussion, Mar 29, 3:27 PM CDT, 19 hours 5 minutes before

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Nearby

River Flood Warnings in Iowa, 2020 River Flood Warnings in Illinois, 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.