Alert archive / Illinois / River Flood Warnings in 2018

River Flood Warning 138, NWS Quad Cities, IA

October 7, 2018Hancock County, McDonough County, Illinois

NWS Quad Cities, IA issued this river flood warning at Oct 7, 2018, 8:26 PM CDT for Hancock County, McDonough County, Illinois. It took effect at Oct 8, 2018, 8:48 AM CDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued: Oct 7, 2018, 8:26 PM CDT (01:26 UTC)
In effect from: Oct 8, 2018, 8:48 AM CDT
Expired: Oct 8, 2018, 8:32 PM CDT
In force: 12 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 01:29 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).

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.

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 30 minutes earlier.

Area forecast discussion, Oct 7, 6:56 PM CDT, 1 hour 30 minutes before

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Hazardous weather outlook, Oct 7, 3:14 PM CDT, 5 hours 12 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.

Issued	Product	Office	Counties	Lasted
Oct 7, 7:34 PM CDT	Areal Flood Warning	DVN	Johnson	18 hr
Oct 7, 8:47 PM CDT	River Flood Warning	DVN	Des Moines, Henry, Lee	10 days
Oct 7, 9:16 PM CDT	River Flood Watch	DVN	Clinton, Scott	15 hr
Oct 8, 2:30 AM CDT	Special Weather Statement	DVN	Henry, Jefferson, Keokuk, Washington	60 min
Oct 8, 3:34 AM CDT	Special Weather Statement	DVN	Cedar, Iowa, Johnson, Keokuk, Muscatine, Washington	56 min
Oct 8, 4:29 AM CDT	Special Weather Statement	DVN	Benton, Cedar, Iowa, Johnson, Jones, Linn	61 min
Oct 8, 9:16 AM CDT	River Flood Warning	DVN	Benton, Linn	6 days
Oct 8, 9:16 AM CDT	River Flood Warning	DVN	Cedar, Johnson, Linn	9 days
Oct 8, 9:16 AM CDT	River Flood Warning	DVN	Johnson, Washington	49 hr
Oct 8, 10:58 AM CDT	River Flood Warning	DVN	Lee	6 days
Oct 8, 11:01 AM CDT	River Flood Watch	DVN	Jackson	5 hr
Oct 8, 11:49 AM CDT	River Flood Warning	DVN	Clinton	5 days
Oct 8, 11:49 AM CDT	River Flood Warning	DVN	Clinton, Scott	17 days
Oct 8, 11:49 AM CDT	River Flood Warning	DVN	Scott	6 days
Oct 8, 3:18 PM CDT	Special Weather Statement	DVN	Des Moines, Henry, Lee, Louisa, Muscatine	87 min
Oct 8, 3:36 PM CDT	River Flood Warning	DVN	Jackson	5 days
Oct 8, 12:20 AM CDT	Special Weather Statement	DVN	McDonough	85 min

Nearby

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.