Alert archive / Alabama / Flash Flood Watches in 2009

Flash Flood Watch 11, NWS Birmingham, AL

May 16, 200931 counties in Alabama

NWS Birmingham, AL issued this flash flood watch at May 16, 2009, 9:54 AM CDT for 31 counties in Alabama. It was in force for 33 hr.

The area

The counties it named.

The facts

Issued: May 16, 2009, 9:54 AM CDT (14:54 UTC)
Expired: May 17, 2009, 7:00 PM CDT
In force: 33 hr
Issued by: NWS Birmingham, AL
Flood severity: None

All 31 counties

Barbour County, AL, Bibb County, AL, Blount County, AL, Bullock 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, Jefferson County, AL, Lamar County, AL, Lee County, AL, Macon County, AL, Marion County, AL, Montgomery County, AL, Pickens County, AL, Pike County, AL, Randolph County, AL, Russell County, AL, Shelby County, AL, St. Clair County, AL, Talladega County, AL, Tallapoosa County, AL, Tuscaloosa County, AL, Walker County, AL, Winston County, AL

The radar

The Birmingham radar (KBMX), 36 km from the middle of the area, began a volume at 14:56 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.

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 May 16, 6:38 AM CDT, 3 hours 16 minutes earlier.

Area forecast discussion, May 16, 6:38 AM CDT, 3 hours 16 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>

Hazardous weather outlook, May 16, 5:54 AM CDT, 4 hours 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 Birmingham, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 15, 8:56 PM CDT	Areal Flood Advisory	BMX	Lee, Russell, Tallapoosa	3 hr
May 15, 10:58 PM CDT	Areal Flood Advisory	BMX	Cleburne	3 hr
May 15, 11:14 PM CDT	Areal Flood Advisory	BMX	Jefferson, Shelby	3 hr
May 16, 9:58 AM CDT	Areal Flood Advisory	BMX	Jefferson, Shelby	3 hr
May 16, 10:15 AM CDT	Flash Flood Warning	BMX	Randolph	4 hr
May 16, 11:57 AM CDT	Severe Thunderstorm Warning	BMX	Bibb, Chilton, Perry	48 min
May 16, 12:20 PM CDT	Areal Flood Advisory	BMX	Chambers	3 hr
May 16, 12:39 PM CDT	Severe Thunderstorm Warning	BMX	Perry	26 min
May 16, 1:48 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Lamar	42 min
May 16, 2:05 PM CDT	Severe Thunderstorm Warning	BMX	Pickens	40 min
May 16, 2:49 PM CDT	Severe Thunderstorm Warning	BMX	Marengo	26 min
May 16, 3:31 PM CDT	Areal Flood Advisory	BMX	Marengo	3 hr
May 16, 4:37 PM CDT	Severe Thunderstorm Warning	BMX	Winston	23 min
May 16, 5:07 PM CDT	Severe Thunderstorm Warning	BMX	Montgomery	38 min
May 16, 5:43 PM CDT	Areal Flood Advisory	BMX	Barbour	3 hr
May 16, 6:14 PM CDT	Severe Thunderstorm Warning	BMX	Russell	31 min
May 16, 6:23 PM CDT	Severe Thunderstorm Warning	BMX	Blount, Jefferson	37 min
May 16, 6:43 PM CDT	Areal Flood Advisory	BMX	Pike	3 hr

Nearby

Flash Flood Watches in Alabama, 2009 Every flash flood watch in 2009

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.