Alert archive / Iowa / River Flood Warnings in 2018

River Flood Warning 139, NWS Quad Cities, IA

October 7, 2018Des Moines County, Henry County, Lee County, Iowa

NWS Quad Cities, IA issued this river flood warning at Oct 7, 2018, 8:47 PM CDT for Des Moines County, Henry County, Lee County, Iowa. It took effect at Oct 8, 2018, 9:42 PM CDT. It was in force for 9 days.

The area

The counties it named.

The facts

Issued
Oct 7, 2018, 8:47 PM CDT (01:47 UTC)
In effect from
Oct 8, 2018, 9:42 PM CDT
Expired
Oct 17, 2018, 2:24 PM CDT
In force
9 days
Issued by
NWS Quad Cities, IA
Area
Storm-based polygon
Flood severity
Minor

Counties Des Moines County, IA, Henry County, IA, Lee County, IA

The radar

The Quad Cities radar (KDVN), 109 km from the middle of the area, began a volume at 01:49 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 Skunk River at Augusta (AGSI4). The gauge peaked at 18.63 ft at Oct 11, 2018, 11:00 PM CDT.

actionminormoderatemajor10152010/0810/0910/1010/1110/1210/1310/1410/1510/1610/1710/18
Action stage
14 ft
Minor stage
15 ft
Moderate stage
17 ft
Major stage
20 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05474000, 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 Oct 7, 6:56 PM CDT, 1 hour 51 minutes earlier.

Area forecast discussion, Oct 7, 6:56 PM CDT, 1 hour 51 minutes before
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Hazardous weather outlook, Oct 7, 3:14 PM CDT, 5 hours 33 minutes before
Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
314 PM CDT Sun Oct 7 2018

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-082015-
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-
314 PM CDT Sun Oct 7 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...THIS AFTERNOON AND TONIGHT

Soils remain completely saturated and unable to absorb heavy
rainfall in the entire outlook area. Rain and thunderstorms are
possible over the entire area this afternoon and tonight. Heavy
rains are most likely this afternoon and tonight, along and east
of the Mississippi River. There is now a flash flood watch in
effect through mid morning Monday for locations in extreme eastern
an southeastern Iowa, northeast Missouri, and all of west central
and northwest Illinois. Warm moist air aloft will allow for
thunderstorms to bring heavy rainfall, with rains tonight
possibly between 1 and 3 inches. This rain will could lead to
flash flooding and increased river flooding.

Area rivers are experiencing flooding. Please see the
latest Flood Statements and Flood Warnings for details.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

A flash flood watch will continue for portions of the area through
10 AM Monday morning.

There are periodic chances for showers and thunderstorms through
the middle of next week. The primary threat is expected to be
heavy rainfall, which could lead to flash flooding and aggravate
ongoing river flooding. However, a few severe thunderstorms are
also possible Tuesday night, mainly west of the Mississippi River.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated this afternoon or tonight.

ERVIN

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 7, 7:34 PM CDTAreal Flood WarningDVNJohnson18 hr
Oct 7, 9:16 PM CDTRiver Flood WatchDVNClinton, Scott15 hr
Oct 8, 2:30 AM CDTSpecial Weather StatementDVNHenry, Jefferson, Keokuk, Washington60 min
Oct 8, 3:34 AM CDTSpecial Weather StatementDVNCedar, Iowa, Johnson, Keokuk, Muscatine, Washington56 min
Oct 8, 4:29 AM CDTSpecial Weather StatementDVNBenton, Cedar, Iowa, Johnson, Jones, Linn61 min
Oct 8, 9:16 AM CDTRiver Flood WarningDVNBenton, Linn6 days
Oct 8, 9:16 AM CDTRiver Flood WarningDVNCedar, Johnson, Linn9 days
Oct 8, 9:16 AM CDTRiver Flood WarningDVNJohnson, Washington49 hr
Oct 8, 10:58 AM CDTRiver Flood WarningDVNLee6 days
Oct 8, 11:01 AM CDTRiver Flood WatchDVNJackson5 hr
Oct 8, 11:49 AM CDTRiver Flood WarningDVNClinton5 days
Oct 8, 11:49 AM CDTRiver Flood WarningDVNClinton, Scott17 days
Oct 8, 11:49 AM CDTRiver Flood WarningDVNScott6 days
Oct 8, 3:18 PM CDTSpecial Weather StatementDVNDes Moines, Henry, Lee, Louisa, Muscatine87 min
Oct 8, 3:36 PM CDTRiver Flood WarningDVNJackson5 days
Oct 7, 8:26 PM CDTRiver Flood WarningDVNHancock, McDonough24 hr
Oct 8, 12:20 AM CDTSpecial Weather StatementDVNMcDonough85 min

Nearby

River Flood Warnings in Iowa, 2018Every 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.