Alert archive / Illinois / River Flood Warnings in 2020

River Flood Warning 71, NWS Paducah, KY

May 18, 2020Alexander County, Illinois; Scott County, Missouri

NWS Paducah, KY issued this river flood warning at May 18, 2020, 11:48 AM CDT for Alexander County, Illinois; Scott County, Missouri. It took effect at May 19, 2020, 9:24 PM CDT. It was in force for 5 days.

The area

The counties it named.

The facts

Issued
May 18, 2020, 11:48 AM CDT (16:48 UTC)
In effect from
May 19, 2020, 9:24 PM CDT
Expired
May 24, 2020, 5:48 PM CDT
In force
5 days
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Flood severity
Minor

Counties Alexander County, IL, Scott County, MO

The radar

The Paducah radar (KPAH), 61 km from the middle of the area, began a volume at 16:48 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 Mississippi River at Thebes (THBI2). The gauge peaked at 33.29 ft at May 21, 2020, 7:00 PM CDT.

actionminormoderate303505/1805/1905/2005/2105/2205/2305/2405/25
Action stage
30 ft
Minor stage
33 ft
Moderate stage
37 ft
Major stage
42 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 07022000, 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 Paducah, KY wrote its last area forecast discussion before this river flood warning went out at May 18, 6:57 AM CDT, 4 hours 51 minutes earlier.

Area forecast discussion, May 18, 6:57 AM CDT, 4 hours 51 minutes before
<!doctype html>
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<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>
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  <script src="index.js"></script>
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Hazardous weather outlook, May 18, 4:39 AM CDT, 7 hours 9 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 Paducah, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 17, 7:35 PM CDTAreal Flood AdvisoryPAHHenderson85 min
May 17, 7:45 PM CDTSpecial Weather StatementPAHHenderson75 min
May 18, 11:31 AM CDTRiver Flood WarningPAHBallard, Carlisle, Fulton, Hickman20 days
May 18, 10:15 AM CDTRiver Flood WarningPAHGallatin, Wabash, White21 days

Nearby

River Flood Warnings in Illinois, 2020River Flood Warnings in Missouri, 2020Every river 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; the gauge from the NWS water service and the USGS.