Alert archive / Alabama / Special Weather Statements in 2019

Special Weather Statement, NWS Birmingham, AL

June 28, 2019Dallas County, Alabama

NWS Birmingham, AL issued this special weather statement at Jun 28, 2019, 2:25 PM CDT for Dallas County, Alabama. It was in force for 35 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: Jun 28, 2019, 2:25 PM CDT (19:25 UTC)
Expired: Jun 28, 2019, 3:00 PM CDT
In force: 35 min
Issued by: NWS Birmingham, AL

County Dallas County, AL

The radar

The Birmingham radar (KBMX), 116 km from the middle of the area, began a volume at 19:27 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

Jackson, MS (KJAN), launched 12:00Z, 7.4 hours before the alert went out and 255 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: 93 J/kg
Mixed-layer CIN: -203 J/kg
Mixed-layer LCL: 1711 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 30 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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.

Hazardous weather outlook, Jun 27, 3:38 PM CDT, 22 hours 47 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 Birmingham, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 28, 3:53 AM CDT	Dense Fog Advisory	BMX	Bibb, Dallas, Fayette, Greene, Hale, Lamar and 8 more	5 hr
Jun 28, 1:30 PM CDT	Special Weather Statement	BMX	Marengo	45 min
Jun 28, 2:22 PM CDT	Special Weather Statement	BMX	Choctaw	23 min
Jun 28, 3:12 PM CDT	Special Weather Statement	BMX	Jefferson	33 min
Jun 28, 3:26 PM CDT	Special Weather Statement	BMX	Jefferson	34 min
Jun 28, 3:42 PM CDT	Special Weather Statement	BMX	Walker	48 min
Jun 28, 4:02 PM CDT	Special Weather Statement	BMX	Bibb	43 min
Jun 28, 4:28 PM CDT	Special Weather Statement	BMX	Tuscaloosa	47 min
Jun 28, 4:56 PM CDT	Special Weather Statement	BMX	Hale	34 min

Nearby

Special Weather Statements in Alabama, 2019 Every special weather statement in 2019

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.