Alert archive / Alabama / Special Weather Statements in 2012

Special Weather Statement, NWS Huntsville, AL

July 10, 2012DeKalb County, Alabama

NWS Huntsville, AL issued this special weather statement at Jul 10, 2012, 10:28 AM CDT for DeKalb County, Alabama. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 10, 2012, 10:28 AM CDT (15:28 UTC)
Expired: Jul 10, 2012, 11:00 AM CDT
In force: 32 min
Issued by: NWS Huntsville, AL

County DeKalb County, AL

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 3.5 hours before the alert went out and 162 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: 774 J/kg
Mixed-layer CIN: -85 J/kg
Mixed-layer LCL: 905 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: -14 m²/s²
0-3 km storm-relative helicity: 7 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Huntsville, AL wrote its last area forecast discussion before this special weather statement went out at Jul 10, 5:51 AM CDT, 4 hours 37 minutes earlier.

Area forecast discussion, Jul 10, 5:51 AM CDT, 4 hours 37 minutes before

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<head>
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<body>
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    <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>
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Hazardous weather outlook, Jul 10, 4:02 AM CDT, 6 hours 26 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.
      </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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In the hours before

Special weather statement, Jul 10, 10:28 AM CDT, 0 minutes before

<!doctype html>
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<head>
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  <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>
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The office that day

Everything else NWS Huntsville, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 10, 12:04 PM CDT	Special Weather Statement	HUN	DeKalb	26 min
Jul 10, 12:41 PM CDT	Special Weather Statement	HUN	Jackson	34 min
Jul 10, 1:08 PM CDT	Special Weather Statement	HUN	Jackson	37 min
Jul 10, 2:09 PM CDT	Special Weather Statement	HUN	Jackson	36 min
Jul 10, 2:50 PM CDT	Special Weather Statement	HUN	Marshall	40 min
Jul 10, 2:57 PM CDT	Special Weather Statement	HUN	DeKalb	33 min
Jul 10, 3:31 PM CDT	Special Weather Statement	HUN	Jackson	44 min
Jul 10, 3:34 PM CDT	Special Weather Statement	HUN	Limestone	41 min
Jul 10, 4:05 PM CDT	Special Weather Statement	HUN	Marshall	25 min
Jul 10, 4:53 PM CDT	Special Weather Statement	HUN	Morgan	37 min
Jul 10, 5:06 PM CDT	Special Weather Statement	HUN	Lawrence	39 min
Jul 10, 5:09 PM CDT	Special Weather Statement	HUN	Morgan	36 min
Jul 10, 5:25 PM CDT	Special Weather Statement	HUN	Lawrence	35 min
Jul 10, 5:51 PM CDT	Special Weather Statement	HUN	Lauderdale	24 min
Jul 10, 6:11 PM CDT	Special Weather Statement	HUN	Cullman	34 min
Jul 10, 6:44 PM CDT	Special Weather Statement	HUN	Lawrence	31 min
Jul 10, 10:56 AM CDT	Special Weather Statement	HUN	Franklin	34 min
Jul 10, 1:14 PM CDT	Special Weather Statement	HUN	Franklin	31 min
Jul 10, 1:37 PM CDT	Special Weather Statement	HUN	Franklin, Moore	38 min
Jul 10, 2:23 PM CDT	Special Weather Statement	HUN	Franklin	37 min

Nearby

Special Weather Statements in Alabama, 2012 Every special weather statement in 2012

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.