Alert archive / Illinois / Areal Flood Warnings in 2020
Areal Flood Warning 18, NWS St. Louis, MO
NWS St. Louis, MO issued this areal flood warning at Aug 9, 2020, 2:07 PM CDT for Saint Clair County, Illinois. It was in force for 3 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
- Aug 9, 2020, 2:07 PM CDT (19:07 UTC)
- Expired
- Aug 9, 2020, 5:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
County Saint Clair County, IL
The radar
The St Louis radar (KLSX), 70 km from the middle of the area, began a volume at 19:09 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 Aug 9, 12:55 PM CDT, 1 hour 12 minutes earlier.
Area forecast discussion, Aug 9, 12:55 PM CDT, 1 hour 12 minutes before
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</html>Hazardous weather outlook, Aug 9, 4:24 AM CDT, 9 hours 43 minutes before
Hazardous Weather Outlook National Weather Service Saint Louis MO 424 AM CDT Sun Aug 9 2020 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-100930- 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- 424 AM CDT Sun Aug 9 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. Numerous thunderstorms are expected this morning in eastern Missouri and southwestern Illinois. Heavy rainfall is likely, which may result in flash flooding through the morning. A Flash Flood Watch is in effect through the morning. Isolated severe thunderstorms are possible this evening and overnight, primarily across northeastern Missouri and west-central Illinois. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Dangerous heat is possible on Monday afternoon, with heat index values of 100-105 degrees in east-central and southeastern Missouri as well as southwestern Illinois. There is a chance of isolated severe thunderstorms Monday. Thunderstorms are possible Tuesday through Saturday. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed in northeastern Missouri and west- central Illinois Sunday evening and night and then again Monday afternoon and evening. Elmore
In the hours before
Local storm report, Aug 9, 1:29 PM CDT, 38 minutes before
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</html>Local storm report, Aug 9, 1:34 PM CDT, 33 minutes before
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</html>Local storm report, Aug 9, 1:44 PM CDT, 23 minutes before
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
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If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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</html>Local storm report, Aug 9, 1:45 PM CDT, 22 minutes before
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<body>
<main class="wrap">
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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</html>Local storm report, Aug 9, 1:49 PM CDT, 18 minutes before
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<main class="wrap">
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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</html>Local storm report, Aug 9, 2:00 PM CDT, 7 minutes before
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</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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</html>The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 10:50 PM CDT | Areal Flood Advisory | LSX | Lincoln, Pike | 6 hr |
| Aug 8, 11:03 PM CDT | Flash Flood Warning | LSX | Lincoln, Pike | 6 hr |
| Aug 9, 12:01 AM CDT | Flash Flood Warning | LSX | Saint Charles | 6 hr |
| Aug 9, 12:56 AM CDT | Areal Flood Advisory | LSX | Saint Louis | 3 hr |
| Aug 9, 1:15 AM CDT | River Flood Warning | LSX | Saint Charles | 22 hr |
| Aug 9, 1:25 AM CDT | Flash Flood Warning | LSX | Saint Louis | 6 hr |
| Aug 9, 2:27 AM CDT | Areal Flood Advisory | LSX | Saint Charles, Warren | 4 hr |
| Aug 9, 2:41 AM CDT | Flash Flood Warning | LSX | Jefferson, Saint Louis, City of Saint Louis | 6 hr |
| Aug 9, 3:54 AM CDT | Areal Flood Advisory | LSX | Franklin, Gasconade | 4 hr |
| Aug 9, 7:29 AM CDT | Areal Flood Warning | LSX | Saint Louis | 3 hr |
| Aug 9, 1:54 PM CDT | Heat Advisory | LSX | Franklin, Iron, Jefferson, Lincoln, Madison, Reynolds and 7 more | 29 hr |
| Aug 9, 9:55 AM CDT | Areal Flood Advisory | LSX | Madison, Saint Clair | 3 hr |
| Aug 9, 10:06 AM CDT | Flash Flood Warning | LSX | Madison | 4 hr |
| Aug 9, 10:23 AM CDT | Flash Flood Warning | LSX | Saint Clair | 4 hr |
Nearby
Areal 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.