Alert archive / Illinois / Flash Flood Warnings in 2022
Flash Flood Warning 19, NWS Chicago, IL
NWS Chicago, IL issued this flash flood warning at Sep 11, 2022, 9:11 AM CDT for Cook County, DuPage County, Will 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
- Sep 11, 2022, 9:11 AM CDT (14:11 UTC)
- Expired
- Sep 11, 2022, 12:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS Chicago, IL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Cook County, IL, DuPage County, IL, Will County, IL
The radar
The Chicago radar (KLOT), 21 km from the middle of the area, began a volume at 14:10 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 flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Chicago, IL wrote its last area forecast discussion before this flash flood warning went out at Sep 11, 7:14 AM CDT, 1 hour 57 minutes earlier.
Area forecast discussion, Sep 11, 7:14 AM CDT, 1 hour 57 minutes before
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</html>Hazardous weather outlook, Sep 11, 4:45 AM CDT, 4 hours 26 minutes before
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</html>In the hours before
Special weather statement, Sep 11, 7:17 AM CDT, 1 hour 54 minutes before
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</html>Local storm report, Sep 11, 7:33 AM CDT, 1 hour 38 minutes before
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</html>Local storm report, Sep 11, 7:58 AM CDT, 1 hour 13 minutes before
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<div class="status" id="status">Temporary Notice</div>
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Please try again in a few minutes.
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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, Sep 11, 8:10 AM CDT, 1 hour 1 minute 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.
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<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, Sep 11, 8:19 AM CDT, 52 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, Sep 11, 8:50 AM CDT, 21 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.
</p>
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</html>The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 11, 2:38 AM CDT | Flood Watch | LOT | Boone, Cook, DeKalb, DuPage, Kane, Kendall and 6 more | 31 hr |
| Sep 11, 5:15 AM CDT | Areal Flood Advisory | LOT | Lee, Ogle, Winnebago | 108 min |
| Sep 11, 6:03 AM CDT | Special Weather Statement | LOT | LaSalle | 27 min |
| Sep 11, 6:28 AM CDT | Special Weather Statement | LOT | Kendall | 32 min |
| Sep 11, 7:03 AM CDT | Areal Flood Warning | LOT | Boone, DeKalb, Lee, McHenry, Ogle, Winnebago | 10 hr |
| Sep 11, 7:17 AM CDT | Special Weather Statement | LOT | DuPage | 58 min |
| Sep 11, 7:56 AM CDT | Areal Flood Advisory | LOT | Cook, DuPage, Kane, Kendall, Will | 113 min |
| Sep 11, 8:41 AM CDT | River Flood Watch | LOT | Winnebago | 25 hr |
| Sep 11, 9:43 AM CDT | Special Marine Warning | LOT | 62 min | |
| Sep 11, 10:34 AM CDT | Areal Flood Warning | LOT | DeKalb, Kendall, LaSalle, McHenry, Ogle | 6 hr |
| Sep 11, 10:46 AM CDT | Areal Flood Advisory | LOT | Cook | 3 hr |
| Sep 11, 12:14 PM CDT | Areal Flood Warning | LOT | Cook | 4 hr |
| Sep 11, 1:34 PM CDT | Areal Flood Advisory | LOT | Cook, DuPage, Kane, Lake, McHenry | 3 hr |
| Sep 11, 2:19 PM CDT | Areal Flood Advisory | LOT | Cook, Lake | 3 hr |
| Sep 11, 3:38 PM CDT | Areal Flood Warning | LOT | Lake, McHenry | 9 hr |
| Sep 11, 3:54 PM CDT | Areal Flood Warning | LOT | Cook | 9 hr |
| Sep 11, 4:01 PM CDT | River Flood Warning | LOT | Winnebago | 17 hr |
| Sep 11, 4:35 PM CDT | Areal Flood Warning | LOT | Boone, Winnebago | 6 hr |
| Sep 11, 4:40 PM CDT | Special Marine Warning | LOT | 50 min | |
| Sep 11, 4:55 PM CDT | Beach Hazards Statement | LOT | Cook | 4 hr |
Nearby
Flash Flood Warnings in Illinois, 2022Every flash flood warning in 2022
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.