Alert archive / Iowa / River Flood Warnings in 2018

River Flood Warning 116, NWS Quad Cities, IA

September 21, 2018Des Moines County, Iowa; Henderson County, Illinois

NWS Quad Cities, IA issued this river flood warning at Sep 21, 2018, 9:58 PM CDT for Des Moines County, Iowa; Henderson County, Illinois. It took effect at Sep 24, 2018, 7:00 PM CDT. It was in force for 40 days.

The area

The counties it named.

The facts

Issued: Sep 21, 2018, 9:58 PM CDT (02:58 UTC)
In effect from: Sep 24, 2018, 7:00 PM CDT
Expired: Nov 3, 2018, 9:54 PM CDT
In force: 40 days
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Flood severity: Minor

Counties Des Moines County, IA, Henderson County, IL

The radar

The Quad Cities radar (KDVN), 91 km from the middle of the area, began a volume at 03:00 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 Gladstone (GLDI2).

Action stage: 9 ft
Minor stage: 10 ft
Moderate stage: 12 ft
Major stage: 14 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 Sep 21, 6:49 PM CDT, 3 hours 9 minutes earlier.

Area forecast discussion, Sep 21, 6:49 PM CDT, 3 hours 9 minutes before

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Hazardous weather outlook, Sep 21, 4:16 AM CDT, 17 hours 42 minutes before

Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
416 AM CDT Fri Sep 21 2018

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-220930-
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
416 AM CDT Fri Sep 21 2018

This Hazardous Weather Outlook is for portions of north central
Illinois...northwest Illinois...west central Illinois...east
central Iowa...northeast Iowa...southeast Iowa and northeast
Missouri.

.DAY ONE...TODAY AND TONIGHT

Another round of flooding is expected on some area rivers due to
recent heavy rainfall. Please see the latest Flood Statements and
Flood Warnings for details.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

There is a chance of thunderstorms Monday night and Tuesday. However,
the severe weather risk appears low at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today or tonight.

DLS

The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 21, 9:58 PM CDT	River Flood Warning	DVN	Des Moines, Louisa	40 days
Sep 21, 9:58 PM CDT	River Flood Warning	DVN	Des Moines, Lee	43 days

Nearby

River Flood Warnings in Iowa, 2018 River Flood Warnings in Illinois, 2018 Every river flood warning in 2018

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.