Alert archive / Alabama / Tornado Warnings in 2023

Tornado Warning 6, NWS Huntsville, AL

February 16, 2023Lauderdale County, Alabama

NWS Huntsville, AL issued this tornado warning at Feb 16, 2023, 2:32 PM CST for Lauderdale County, Alabama. It was in force for 28 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
Feb 16, 2023, 2:32 PM CST (20:32 UTC)
Expired
Feb 16, 2023, 3:00 PM CST
In force
28 min
Issued by
NWS Huntsville, AL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Lauderdale County, AL

The radar

The Columbus AFB radar (KGWX), 128 km from the middle of the area, began a volume at 20:36 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
Feb 16, 12:00 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 8.5 hours before the alert went out and 167 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, Nashville Metro, TN at 12:00Z on 2023-02-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 30 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, Nashville Metro, TN at 12:00Z on 2023-02-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 411 square meters per square second.1939587897Sfc1 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
30 J/kg
Mixed-layer CIN
-160 J/kg
Mixed-layer LCL
546 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
411 m²/s²
0-3 km storm-relative helicity
528 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this tornado warning 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 tornado warning went out at Feb 16, 12:10 PM CST, 2 hours 22 minutes earlier.

Area forecast discussion, Feb 16, 12:10 PM CST, 2 hours 22 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 Huntsville, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 15, 10:17 PM CSTSpecial Weather StatementHUNMadison28 min
Feb 15, 10:43 PM CSTSpecial Weather StatementHUNJackson32 min
Feb 15, 11:07 PM CSTSevere Thunderstorm WarningHUNJackson23 min
Feb 16, 12:53 PM CSTRiver Flood WarningHUNJackson, Madison, Marshall72 hr
Feb 16, 12:55 PM CSTRiver Flood WarningHUNMadison30 hr
Feb 16, 3:00 PM CSTSpecial Weather StatementHUNLauderdale45 min
Feb 16, 3:02 PM CSTSevere Thunderstorm WarningHUNLauderdale13 min
Feb 16, 3:29 PM CSTSpecial Weather StatementHUNLauderdale46 min
Feb 16, 4:10 PM CSTSpecial Weather StatementHUNColbert, Lauderdale50 min
Feb 16, 4:55 PM CSTSpecial Weather StatementHUNLimestone35 min
Feb 16, 5:26 PM CSTAreal Flood WarningHUNColbert, Lauderdale4 hr
Feb 16, 5:32 PM CSTSpecial Weather StatementHUNLimestone43 min
Feb 16, 5:49 PM CSTSpecial Weather StatementHUNCullman41 min
Feb 16, 5:55 PM CSTFlash Flood WarningHUNFranklin, Lawrence3 hr
Feb 16, 5:10 PM CSTSpecial Weather StatementHUNMoore50 min
Feb 16, 5:29 PM CSTSevere Thunderstorm WarningHUNLincoln46 min

Nearby

Tornado Warnings in Alabama, 2023Every tornado warning in 2023Tornadoes 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.