Alert archive / Illinois / River Flood Warnings in 2022

River Flood Warning 9, NWS Quad Cities, IA

August 8, 2022Stephenson County, Illinois

NWS Quad Cities, IA issued this river flood warning at Aug 8, 2022, 4:56 AM CDT for Stephenson County, Illinois. It took effect at Aug 8, 2022, 5:06 AM CDT. It was in force for 5 days.

The area

The counties it named.

The facts

Issued: Aug 8, 2022, 4:56 AM CDT (09:56 UTC)
In effect from: Aug 8, 2022, 5:06 AM CDT
Expired: Aug 13, 2022, 3:36 AM CDT
In force: 5 days
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Flood severity: Minor

County Stephenson County, IL

The radar

The Quad Cities radar (KDVN), 112 km from the middle of the area, began a volume at 09:56 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 Pecatonica River at Freeport (FEEI2).

Action stage: 11.5 ft
Minor stage: 13 ft
Moderate stage: 14 ft
Major stage: 16 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05435500, 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 Aug 7, 6:49 PM CDT, 10 hours 7 minutes earlier.

Area forecast discussion, Aug 7, 6:49 PM CDT, 10 hours 7 minutes before

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Hazardous weather outlook, Aug 7, 11:35 AM CDT, 17 hours 21 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</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>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 7, 8:28 PM CDT	Special Weather Statement	DVN	Benton	47 min
Aug 7, 9:30 PM CDT	Special Weather Statement	DVN	Buchanan	30 min
Aug 8, 3:43 AM CDT	Flash Flood Warning	DVN	Carroll, Jo Daviess, Stephenson	6 hr
Aug 8, 9:46 AM CDT	Areal Flood Warning	DVN	Stephenson	3 days
Aug 8, 10:03 AM CDT	River Flood Watch	DVN	Henry, Rock Island, Whiteside	3 hr
Aug 8, 1:06 PM CDT	River Flood Warning	DVN	Henry, Rock Island, Whiteside	62 hr
Aug 8, 1:11 PM CDT	River Flood Warning	DVN	Henry, Rock Island	4 days

Nearby

River Flood Warnings in Illinois, 2022 Every river 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; the gauge from the NWS water service and the USGS.