Alert archive / Missouri / Areal Flood Warnings in 2020

Areal Flood Warning 10, NWS St. Louis, MO

January 11, 202015 counties in Missouri; 5 counties in Illinois

NWS St. Louis, MO issued this areal flood warning at Jan 11, 2020, 12:29 PM CST for 15 counties in Missouri; 5 counties in Illinois. It was in force for 23 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jan 11, 2020, 12:29 PM CST (18:29 UTC)
Expired
Jan 12, 2020, 11:42 AM CST
In force
23 hr
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
None

Counties Calhoun County, IL, Greene County, IL, Jersey County, IL, Madison County, IL, Monroe County, IL, Callaway County, MO, City of Saint Louis, MO, Cole County, MO, Crawford County, MO, Franklin County, MO, Gasconade County, MO, Iron County, MO, Jefferson County, MO, Lincoln County, MO, Montgomery County, MO, Osage County, MO, Saint Charles County, MO, Saint Louis County, MO, Warren County, MO, Washington County, MO

The radar

The St Louis radar (KLSX), 24 km from the middle of the area, began a volume at 18:29 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.

What forecasters said that day

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

NWS St. Louis, MO wrote its last area forecast discussion before this areal flood warning went out at Jan 11, 10:59 AM CST, 1 hour 30 minutes earlier.

Area forecast discussion, Jan 11, 10:59 AM CST, 1 hour 30 minutes before
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Hazardous weather outlook, Jan 11, 4:18 AM CST, 8 hours 11 minutes before
Hazardous Weather Outlook
National Weather Service Saint Louis MO
418 AM CST Sat Jan 11 2020

ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-041-042-047>052-059>065-072>075-084-085-099-121200-
Adams IL-Audrain MO-Bond IL-Boone MO-Brown IL-Calhoun IL-Callaway MO-
Clinton IL-Cole MO-Crawford MO-Fayette IL-Franklin MO-Gasconade MO-
Greene IL-Iron MO-Jefferson MO-Jersey IL-Knox MO-Lewis MO-Lincoln MO-
Macoupin IL-Madison IL-Madison MO-Marion IL-Marion MO-Moniteau MO-
Monroe IL-Monroe MO-Montgomery IL-Montgomery MO-Osage MO-Pike IL-
Pike MO-Ralls MO-Randolph IL-Reynolds MO-Saint Charles MO-
Saint Clair IL-Saint Francois MO-Saint Louis City MO-Saint Louis MO-
Sainte Genevieve MO-Shelby MO-Warren MO-Washington IL-Washington MO-
418 AM CST Sat Jan 11 2020

This Hazardous Weather Outlook is for portions of eastern and
central Missouri as well as west central and southwest Illinois.

.DAY ONE...Today and tonight.

Accumulating snow, sleet, and ice are expected across much of the
region through this evening. The highest impacts are expected in
northeast Missouri and a portion of west-central Illinois where a
Warning has been issued. For most of the rest of the area to the
north and west of Saint Louis City, an Advisory has been issued.
Please see the Warning and Advisory products for additional details.

Major flooding is expected to begin on the Kaskaskia River at
Vandalia later today and continue through tonight.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Major flooding is expected to continue on the Kaskaskia River at
Vandalia until early Tuesday.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report rainfall amounts in excess of an
inch or any flooding, if observed, to the National Weather
Service. Spotters are also encouraged to report wintry precipitation
type and amounts, if observed, to the National Weather Service.

TES

In the hours before

Local storm report, Jan 11, 11:06 AM CST, 1 hour 23 minutes before
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Local storm report, Jan 11, 11:15 AM CST, 1 hour 14 minutes before
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Local storm report, Jan 11, 11:17 AM CST, 1 hour 12 minutes before
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Local storm report, Jan 11, 11:21 AM CST, 1 hour 8 minutes before
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Local storm report, Jan 11, 11:38 AM CST, 51 minutes before
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Local storm report, Jan 11, 11:39 AM CST, 50 minutes before
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The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 10, 6:09 PM CSTTornado WarningLSXFranklin, Gasconade, Montgomery, Osage, Warren36 min
Jan 10, 6:35 PM CSTTornado WarningLSXFranklin, Lincoln, Montgomery, Pike, Saint Charles, Warren40 min
Jan 10, 6:52 PM CSTFlash Flood WarningLSXCallaway, Gasconade, Lincoln, Montgomery, Osage, Warren6 hr
Jan 10, 7:09 PM CSTSevere Thunderstorm WarningLSXLincoln, Pike, Saint Charles51 min
Jan 10, 7:46 PM CSTFlash Flood WarningLSXCallaway, Cole, Osage6 hr
Jan 10, 9:25 PM CSTAreal Flood WarningLSXAudrain, Boone, Callaway, Cole, Moniteau, Montgomery and 1 more9 hr
Jan 10, 9:31 PM CSTAreal Flood WarningLSXFranklin, Gasconade, Lincoln, Saint Charles, Warren15 hr
Jan 10, 10:49 PM CSTAreal Flood WarningLSXCrawford, Franklin, Jefferson, Saint Charles, Saint Louis, Washington and 1 more15 hr
Jan 11, 12:36 AM CSTAreal Flood WarningLSXCallaway, Gasconade, Lincoln, Montgomery, Osage, Warren12 hr
Jan 11, 1:38 AM CSTAreal Flood WarningLSXCallaway, Cole, Osage9 hr
Jan 11, 2:28 AM CSTAreal Flood AdvisoryLSXIron, Jefferson, Madison, Reynolds, Sainte Genevieve, Saint Francois11 hr
Jan 11, 4:47 AM CSTRiver Flood WarningLSXCrawford40 hr
Jan 11, 6:28 AM CSTRiver Flood WarningLSXLincoln52 hr
Jan 11, 8:29 AM CSTRiver Flood WarningLSXSaint Charles4 days
Jan 11, 8:32 AM CSTRiver Flood WarningLSXFranklin, Warren3 days
Jan 11, 8:34 AM CSTRiver Flood WarningLSXSaint Charles, Saint Louis70 hr
Jan 11, 12:02 PM CSTRiver Flood WarningLSXSaint Charles5 days
Jan 11, 12:02 PM CSTRiver Flood WarningLSXSaint Louis, City of Saint Louis4 days
Jan 11, 1:43 PM CSTAreal Flood WarningLSXIron, Jefferson, Madison, Reynolds, Sainte Genevieve, Saint Francois and 2 more22 hr
Jan 10, 10:39 PM CSTAreal Flood WarningLSXJersey, Macoupin, Montgomery15 hr
Jan 10, 10:51 PM CSTAreal Flood WarningLSXFayette, Marion15 hr
Jan 11, 10:45 AM CSTRiver Flood WarningLSXCalhoun, Greene, Jersey5 days

Nearby

Areal Flood Warnings in Missouri, 2020Areal Flood Warnings in Illinois, 2020Every areal 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.