Alert archive / Louisiana / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 274, NWS Jackson, MS

December 26, 2024Adams County, Mississippi; Catahoula Parish, Concordia Parish, Louisiana

NWS Jackson, MS issued this severe thunderstorm warning at Dec 26, 2024, 11:01 PM CST for Adams County, Mississippi; Catahoula Parish, Concordia Parish, Louisiana. 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 counties it named.

The facts

Issued
Dec 26, 2024, 11:01 PM CST (05:01 UTC)
Expired
Dec 26, 2024, 11:33 PM CST
In force
32 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Catahoula Parish, LA, Concordia Parish, LA, Adams County, MS

The radar

The Ft Polk radar (KPOE), 136 km from the middle of the area, began a volume at 05:04 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

Lake Charles Mun, LA (KLCH), launched 00:00Z, 5.0 hours before the alert went out and 218 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, Lake Charles Mun, LA at 00:00Z on 2024-12-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 289 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, Lake Charles Mun, LA at 00:00Z on 2024-12-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 236 square meters per square second.19395878Sfc1 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
289 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
853 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
236 m²/s²
0-3 km storm-relative helicity
323 m²/s²
Significant tornado parameter
0.4
Supercell composite
3.8

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 Jackson, MS wrote its last area forecast discussion before this severe thunderstorm warning went out at Dec 26, 9:38 PM CST, 1 hour 23 minutes earlier.

Area forecast discussion, Dec 26, 9:38 PM CST, 1 hour 23 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>

In the hours before

Special weather statement, Dec 26, 10:08 PM CST, 53 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>
Special weather statement, Dec 26, 10:24 PM CST, 37 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 Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 27, 12:30 AM CSTSpecial Weather StatementJANWarren45 min
Dec 27, 12:45 AM CSTSpecial Weather StatementJANAdams45 min
Dec 27, 1:03 AM CSTSpecial Weather StatementJANHinds42 min
Dec 27, 1:21 AM CSTSevere Thunderstorm WarningJANAdams, Claiborne, Franklin, Jefferson54 min
Dec 27, 1:37 AM CSTSpecial Weather StatementJANYazoo53 min
Dec 27, 1:43 AM CSTSpecial Weather StatementJANClaiborne47 min
Dec 27, 2:08 AM CSTSpecial Weather StatementJANHinds52 min
Dec 27, 2:26 AM CSTSpecial Weather StatementJANYazoo49 min
Dec 27, 2:52 AM CSTSpecial Weather StatementJANRankin38 min
Dec 27, 3:20 AM CSTSpecial Weather StatementJANMadison40 min
Dec 27, 4:12 AM CSTSpecial Weather StatementJANMadison48 min
Dec 27, 4:22 AM CSTSpecial Weather StatementJANMadison38 min
Dec 27, 4:41 AM CSTSpecial Weather StatementJANMadison34 min
Dec 27, 4:45 AM CSTSpecial Weather StatementJANCopiah45 min
Dec 27, 5:21 AM CSTSpecial Weather StatementJANRankin39 min
Dec 27, 1:20 PM CSTSpecial Weather StatementJANLauderdale, Newton55 min
Dec 27, 2:39 PM CSTSpecial Weather StatementJANJones36 min
Dec 27, 3:00 PM CSTTornado WarningJANJones13 min
Dec 27, 3:06 PM CSTFlash Flood WarningJANLauderdale2 hr
Dec 27, 3:08 PM CSTSevere Thunderstorm WarningJANLauderdale67 min
Dec 27, 3:49 PM CSTSevere Thunderstorm WarningJANClarke41 min
Dec 27, 4:25 PM CSTSpecial Weather StatementJANLauderdale35 min
Dec 26, 10:08 PM CSTSpecial Weather StatementJANMorehouse37 min
Dec 26, 10:24 PM CSTSpecial Weather StatementJANConcordia36 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2024Severe Thunderstorm Warnings in Mississippi, 2024Every severe thunderstorm warning in 2024

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.