Alert archive / Alabama / Heat Advisories in 2016

Heat Advisory 5, NWS Birmingham, AL

July 9, 201628 counties in Alabama

NWS Birmingham, AL issued this heat advisory at Jul 9, 2016, 4:16 AM CDT for 28 counties in Alabama. It took effect at Jul 9, 2016, 12:00 PM CDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued: Jul 9, 2016, 4:16 AM CDT (09:16 UTC)
In effect from: Jul 9, 2016, 12:00 PM CDT
Expired: Jul 9, 2016, 7:07 PM CDT
In force: 7 hr
Issued by: NWS Birmingham, AL

All 28 counties

Autauga County, AL, Barbour County, AL, Bibb County, AL, Bullock County, AL, Calhoun County, AL, Chilton County, AL, Clay County, AL, Coosa County, AL, Dallas County, AL, Elmore County, AL, Greene County, AL, Hale County, AL, Jefferson County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Marengo County, AL, Montgomery County, AL, Perry County, AL, Pickens County, AL, Pike County, AL, Russell County, AL, Shelby County, AL, St. Clair County, AL, Sumter County, AL, Talladega County, AL, Tallapoosa County, AL, Tuscaloosa County, AL

The radar

The Birmingham radar (KBMX), 50 km from the middle of the area, began a volume at 09:13 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 nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 9.3 hours before the alert went out and 205 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1818 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 1892 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 26 m²/s²
0-3 km storm-relative helicity: 48 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this heat advisory 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 heat advisory went out at Jul 9, 4:11 AM CDT, 5 minutes earlier.

Area forecast discussion, Jul 9, 4:11 AM CDT, 5 minutes before

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Hazardous weather outlook, Jul 8, 8:11 PM CDT, 8 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.
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    </section>
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  <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
Jul 9, 11:06 AM CDT	Special Weather Statement	BMX	Cherokee	24 min
Jul 9, 11:32 AM CDT	Special Weather Statement	BMX	Chambers	43 min
Jul 9, 12:00 PM CDT	Special Weather Statement	BMX	Dallas	30 min
Jul 9, 12:14 PM CDT	Special Weather Statement	BMX	Cherokee, Etowah	46 min
Jul 9, 12:22 PM CDT	Special Weather Statement	BMX	Marengo	53 min
Jul 9, 12:28 PM CDT	Special Weather Statement	BMX	Lee	47 min
Jul 9, 12:29 PM CDT	Special Weather Statement	BMX	Pike	46 min
Jul 9, 12:42 PM CDT	Special Weather Statement	BMX	Greene	33 min
Jul 9, 12:47 PM CDT	Special Weather Statement	BMX	Lee	28 min
Jul 9, 12:57 PM CDT	Special Weather Statement	BMX	Cherokee	48 min
Jul 9, 1:06 PM CDT	Severe Thunderstorm Warning	BMX	Tuscaloosa	24 min
Jul 9, 1:13 PM CDT	Special Weather Statement	BMX	Pike	47 min
Jul 9, 1:19 PM CDT	Severe Thunderstorm Warning	BMX	Lee, Russell	41 min
Jul 9, 1:23 PM CDT	Special Weather Statement	BMX	Autauga	37 min
Jul 9, 1:33 PM CDT	Severe Thunderstorm Warning	BMX	Autauga	42 min
Jul 9, 1:36 PM CDT	Special Weather Statement	BMX	Hale, Perry	39 min
Jul 9, 1:42 PM CDT	Special Weather Statement	BMX	Pickens	48 min
Jul 9, 1:50 PM CDT	Severe Thunderstorm Warning	BMX	Greene, Pickens, Sumter	25 min
Jul 9, 1:54 PM CDT	Special Weather Statement	BMX	Chilton	51 min
Jul 9, 1:57 PM CDT	Special Weather Statement	BMX	Etowah	33 min
Jul 9, 1:58 PM CDT	Special Weather Statement	BMX	Autauga	32 min
Jul 9, 2:05 PM CDT	Special Weather Statement	BMX	Bullock	25 min
Jul 9, 2:16 PM CDT	Special Weather Statement	BMX	Pickens	44 min
Jul 9, 2:19 PM CDT	Special Weather Statement	BMX	Coosa	41 min
Jul 9, 2:22 PM CDT	Special Weather Statement	BMX	Bibb	38 min
Jul 9, 2:25 PM CDT	Special Weather Statement	BMX	Chilton	50 min
Jul 9, 2:30 PM CDT	Special Weather Statement	BMX	Montgomery	30 min
Jul 9, 2:32 PM CDT	Special Weather Statement	BMX	Tallapoosa	43 min
Jul 9, 2:36 PM CDT	Severe Thunderstorm Warning	BMX	Lowndes, Montgomery	24 min
Jul 9, 2:42 PM CDT	Special Weather Statement	BMX	Russell	33 min
Jul 9, 2:48 PM CDT	Severe Thunderstorm Warning	BMX	Chambers, Tallapoosa	27 min
Jul 9, 2:50 PM CDT	Special Weather Statement	BMX	Chilton	40 min
Jul 9, 3:04 PM CDT	Special Weather Statement	BMX	Walker	26 min
Jul 9, 3:14 PM CDT	Special Weather Statement	BMX	Bullock, Montgomery	46 min
Jul 9, 3:17 PM CDT	Special Weather Statement	BMX	Walker	28 min
Jul 9, 3:22 PM CDT	Special Weather Statement	BMX	Tallapoosa	23 min
Jul 9, 3:27 PM CDT	Special Weather Statement	BMX	St. Clair	33 min
Jul 9, 3:29 PM CDT	Special Weather Statement	BMX	Jefferson	31 min
Jul 9, 3:32 PM CDT	Special Weather Statement	BMX	Shelby	28 min
Jul 9, 3:38 PM CDT	Special Weather Statement	BMX	Blount	37 min
Jul 9, 3:43 PM CDT	Special Weather Statement	BMX	Randolph	32 min
Jul 9, 3:48 PM CDT	Special Weather Statement	BMX	Shelby, Talladega	42 min
Jul 9, 3:49 PM CDT	Special Weather Statement	BMX	Fayette	41 min
Jul 9, 3:52 PM CDT	Special Weather Statement	BMX	Jefferson	38 min
Jul 9, 3:55 PM CDT	Special Weather Statement	BMX	Tallapoosa	50 min
Jul 9, 4:16 PM CDT	Severe Thunderstorm Warning	BMX	Tuscaloosa	19 min
Jul 9, 4:28 PM CDT	Special Weather Statement	BMX	Jefferson	32 min
Jul 9, 4:32 PM CDT	Special Weather Statement	BMX	Fayette, Lamar	28 min
Jul 9, 4:58 PM CDT	Special Weather Statement	BMX	Walker	32 min
Jul 9, 5:02 PM CDT	Special Weather Statement	BMX	Fayette, Lamar	28 min
Jul 9, 6:02 PM CDT	Areal Flood Advisory	BMX	Walker	58 min
Jul 9, 6:59 PM CDT	Areal Flood Advisory	BMX	Walker	61 min

Nearby

Heat Advisories in Alabama, 2016 Every heat advisory in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.