Alert archive / Alabama / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 117, NWS Mobile, AL

June 12, 20234 counties in Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jun 12, 2023, 2:41 AM CDT for 4 counties in Alabama. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 12, 2023, 2:41 AM CDT (07:41 UTC)
Expired
Jun 12, 2023, 3:15 AM CDT
In force
34 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Butler County, AL, Conecuh County, AL, Monroe County, AL, Wilcox County, AL

The radar

The Maxwell AFB radar (KMXX), 155 km from the middle of the area, began a volume at 07:44 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

Birmingham, AL (KBMX), launched 00:00Z, 7.7 hours before the alert went out and 169 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-pSkew-T log-p diagram, Birmingham, AL at 00:00Z on 2023-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2168 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 00:00Z on 2023-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
2168 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
1466 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
135 m²/s²
Significant tornado parameter
0.5
Supercell composite
5.6

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Mobile, AL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 12, 12:10 AM CDT, 2 hours 31 minutes earlier.

Area forecast discussion, Jun 12, 12:10 AM CDT, 2 hours 31 minutes before
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In the hours before

Special weather statement, Jun 12, 1:25 AM CDT, 1 hour 16 minutes before
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<head>
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  <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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Special weather statement, Jun 12, 1:57 AM CDT, 44 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 Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 12, 1:17 AM CDTSevere Thunderstorm WarningMOBWilcox43 min
Jun 12, 1:25 AM CDTSpecial Weather StatementMOBChoctaw50 min
Jun 12, 1:35 AM CDTSevere Thunderstorm WarningMOBChoctaw25 min
Jun 12, 1:57 AM CDTSpecial Weather StatementMOBWilcox63 min
Jun 12, 3:15 AM CDTSevere Thunderstorm WarningMOBButler, Conecuh, Covington, Monroe, Wilcox45 min
Jun 12, 3:34 AM CDTSpecial Weather StatementMOBWilcox41 min
Jun 12, 4:00 AM CDTSpecial Weather StatementMOBConecuh45 min
Jun 12, 4:10 AM CDTSpecial Weather StatementMOBWilcox50 min
Jun 12, 5:07 AM CDTSpecial Weather StatementMOBConecuh, Monroe53 min
Jun 12, 5:52 AM CDTSpecial Weather StatementMOBEscambia38 min
Jun 12, 6:32 AM CDTSpecial Weather StatementMOBEscambia43 min
Jun 12, 5:08 PM CDTSpecial Weather StatementMOBEscambia52 min
Jun 12, 5:47 PM CDTSevere Thunderstorm WarningMOBMobile43 min
Jun 12, 5:53 PM CDTSpecial Marine WarningMOB53 min
Jun 12, 6:20 PM CDTSpecial Weather StatementMOBBaldwin, Mobile40 min
Jun 12, 6:28 PM CDTSpecial Weather StatementMOBEscambia47 min
Jun 12, 6:50 PM CDTAreal Flood AdvisoryMOBEscambia3 hr
Jun 12, 3:52 PM CDTSpecial Weather StatementMOBWayne38 min
Jun 12, 4:21 PM CDTSevere Thunderstorm WarningMOBGreene, Perry, Wayne39 min
Jun 12, 4:25 PM CDTSpecial Weather StatementMOBGreene50 min
Jun 12, 4:56 PM CDTSpecial Weather StatementMOBGreene, Perry49 min
Jun 12, 5:16 PM CDTAreal Flood AdvisoryMOBGreene, Perry, Wayne68 min
Jun 12, 5:21 PM CDTSpecial Weather StatementMOBGeorge39 min
Jun 12, 5:44 PM CDTSpecial Weather StatementMOBPerry46 min
Jun 12, 6:14 PM CDTSpecial Weather StatementMOBStone61 min
Jun 12, 6:19 PM CDTSevere Thunderstorm WarningMOBStone41 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2023Every severe thunderstorm warning in 2023

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.