Alert archive / Alabama / Flash Flood Watches in 2020

Flash Flood Watch 5, NWS Birmingham, AL

February 18, 202030 counties in Alabama

NWS Birmingham, AL issued this flash flood watch at Feb 18, 2020, 2:57 AM CST for 30 counties in Alabama. It took effect at Feb 18, 2020, 7:00 AM CST. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Feb 18, 2020, 2:57 AM CST (08:57 UTC)
In effect from
Feb 18, 2020, 7:00 AM CST
Expired
Feb 19, 2020, 1:01 AM CST
In force
18 hr
Issued by
NWS Birmingham, AL
Flood severity
None
All 30 counties

Autauga County, AL, Bibb County, AL, Blount County, AL, Calhoun County, AL, Chambers County, AL, Cherokee County, AL, Chilton County, AL, Clay County, AL, Cleburne County, AL, Coosa County, AL, Elmore County, AL, Etowah County, AL, Fayette County, AL, Greene County, AL, Hale County, AL, Jefferson County, AL, Lamar County, AL, Lee County, AL, Marion County, AL, Perry County, AL, Pickens County, AL, Randolph County, AL, Shelby County, AL, St. Clair County, AL, Sumter County, AL, Talladega County, AL, Tallapoosa County, AL, Tuscaloosa County, AL, Walker County, AL, Winston County, AL

The radar

The Birmingham radar (KBMX), 17 km from the middle of the area, began a volume at 08:58 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 watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Birmingham, AL wrote its last area forecast discussion before this flash flood watch went out at Feb 17, 11:00 PM CST, 3 hours 57 minutes earlier.

Area forecast discussion, Feb 17, 11:00 PM CST, 3 hours 57 minutes before
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Hazardous weather outlook, Feb 17, 9:22 AM CST, 17 hours 35 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.
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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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In the hours before

Special weather statement, Feb 17, 11:52 PM CST, 3 hours 5 minutes before
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<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 Birmingham, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 17, 11:52 PM CSTSpecial Weather StatementBMXMarion23 min
Feb 18, 6:56 AM CSTDense Fog AdvisoryBMXAutauga, Barbour, Bullock, Dallas, Elmore, Lowndes and 3 more3 hr
Feb 18, 7:03 AM CSTRiver Flood WarningBMXChambers, Elmore, Macon, Randolph, Tallapoosa7 hr
Feb 18, 10:40 AM CSTAreal Flood AdvisoryBMXFayette, Lamar, Marion, Walker, Winston6 hr
Feb 18, 12:45 PM CSTAreal Flood WarningBMXCherokee48 hr
Feb 18, 1:30 PM CSTAreal Flood WarningBMXBlount, Cherokee, Etowah, St. Clair6 hr
Feb 18, 2:52 PM CSTAreal Flood AdvisoryBMXFayette, Jefferson, Pickens, Tuscaloosa, Walker6 hr
Feb 18, 4:23 PM CSTSpecial Weather StatementBMXTuscaloosa52 min
Feb 18, 4:31 PM CSTAreal Flood AdvisoryBMXFayette, Lamar, Marion, Walker, Winston5 hr
Feb 18, 4:45 PM CSTAreal Flood AdvisoryBMXCalhoun, Cleburne, Jefferson, St. Clair, Shelby, Talladega6 hr
Feb 18, 5:43 PM CSTFlash Flood WarningBMXJefferson, Shelby, Tuscaloosa3 hr

Nearby

Flash Flood Watches in Alabama, 2020Every flash flood watch 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.