Alert archive / Alabama / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 220, NWS Birmingham, AL

June 18, 2023Fayette County, Tuscaloosa County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jun 18, 2023, 9:52 PM CDT for Fayette County, Tuscaloosa County, Alabama. It was in force for 33 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 18, 2023, 9:52 PM CDT (02:52 UTC)
Expired
Jun 18, 2023, 10:25 PM CDT
In force
33 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon
Damage threat
Considerable
Hail
1.75 in
Wind
60.0 mph

Counties Fayette County, AL, Tuscaloosa County, AL

The radar

The Columbus AFB radar (KGWX), 78 km from the middle of the area, began a volume at 02:55 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 18, 9:29 PM CDTTornado WatchSPC4 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 2.9 hours before the alert went out and 87 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 2023-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 56 joules per kilogram.LCLLFCEL10008507005003002001001 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 2023-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 125 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
56 J/kg
Mixed-layer CIN
-282 J/kg
Mixed-layer LCL
1478 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
125 m²/s²
0-3 km storm-relative helicity
194 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

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 Birmingham, AL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 18, 3:15 PM CDT, 6 hours 37 minutes earlier.

Area forecast discussion, Jun 18, 3:15 PM CDT, 6 hours 37 minutes before
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Hazardous weather outlook, Jun 18, 3:20 PM CDT, 6 hours 32 minutes before
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<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.
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      <p id="message2">
        Please try again in a few minutes.
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        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

Local storm report, Jun 18, 5:45 PM CDT, 4 hours 7 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.
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Local storm report, Jun 18, 5:54 PM CDT, 3 hours 58 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.

IssuedProductOfficeCountiesLasted
Jun 18, 9:17 PM CDTSevere Thunderstorm WarningBMXFayette, Lamar43 min
Jun 18, 9:27 PM CDTSpecial Weather StatementBMXSumter33 min
Jun 18, 9:35 PM CDTSpecial Weather StatementBMXPickens55 min
Jun 18, 9:41 PM CDTSpecial Weather StatementBMXGreene49 min
Jun 18, 10:23 PM CDTSpecial Weather StatementBMXFayette37 min
Jun 18, 10:51 PM CDTSpecial Weather StatementBMXJefferson39 min
Jun 18, 10:55 PM CDTSpecial Weather StatementBMXWinston35 min
Jun 18, 11:44 PM CDTSpecial Weather StatementBMXJefferson31 min
Jun 18, 11:59 PM CDTAreal Flood AdvisoryBMXJefferson2 hr
Jun 19, 1:51 AM CDTSpecial Weather StatementBMXCoosa39 min
Jun 19, 2:05 AM CDTSpecial Weather StatementBMXClay, Talladega25 min
Jun 19, 2:43 AM CDTSpecial Weather StatementBMXMarengo47 min
Jun 19, 2:55 AM CDTSpecial Weather StatementBMXLee50 min
Jun 19, 3:03 AM CDTSpecial Weather StatementBMXRandolph27 min
Jun 19, 3:21 AM CDTSevere Thunderstorm WarningBMXMarengo41 min
Jun 19, 3:29 AM CDTSpecial Weather StatementBMXMarengo31 min
Jun 19, 3:51 AM CDTSevere Thunderstorm WarningBMXDallas54 min
Jun 19, 4:22 AM CDTSevere Thunderstorm WarningBMXLowndes53 min
Jun 19, 4:58 AM CDTSevere Thunderstorm WarningBMXMontgomery, Pike51 min
Jun 19, 5:28 AM CDTSevere Thunderstorm WarningBMXBarbour47 min
Jun 19, 1:36 PM CDTSpecial Weather StatementBMXMontgomery24 min
Jun 19, 1:55 PM CDTSpecial Weather StatementBMXElmore35 min
Jun 19, 1:56 PM CDTSpecial Weather StatementBMXMontgomery34 min
Jun 19, 2:03 PM CDTSpecial Weather StatementBMXMacon27 min
Jun 19, 2:05 PM CDTSpecial Weather StatementBMXLowndes, Montgomery40 min
Jun 19, 2:22 PM CDTSpecial Weather StatementBMXMacon38 min
Jun 19, 2:34 PM CDTSpecial Weather StatementBMXMarengo41 min
Jun 19, 2:37 PM CDTSpecial Weather StatementBMXBullock, Macon, Montgomery38 min
Jun 19, 2:41 PM CDTSpecial Weather StatementBMXLee49 min
Jun 19, 3:16 PM CDTSpecial Weather StatementBMXBarbour, Bullock, Montgomery, Pike59 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.