Alert archive / Louisiana / Tornado Warnings in 2024

Tornado Warning 108, NWS Shreveport, LA

December 28, 2024Caldwell Parish, Louisiana

NWS Shreveport, LA issued this tornado warning at Dec 28, 2024, 2:47 PM CST for Caldwell Parish, Louisiana. It was in force for 29 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 28, 2024, 2:47 PM CST (20:47 UTC)
Expired
Dec 28, 2024, 3:16 PM CST
In force
29 min
Issued by
NWS Shreveport, LA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.25 in

County Caldwell Parish, LA

The radar

The Ft Polk radar (KPOE), 132 km from the middle of the area, began a volume at 20:48 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
Dec 28, 7:38 AM CSTTornado WatchSPC7 hr
Dec 28, 2:17 PM CSTTornado Watch PDSSPC8 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 8.8 hours before the alert went out and 159 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, Shreveport, LA at 12:00Z on 2024-12-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1542 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, Shreveport, LA at 12:00Z on 2024-12-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 178 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
1542 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
449 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
178 m²/s²
0-3 km storm-relative helicity
164 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.3

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 Shreveport, LA wrote its last area forecast discussion before this tornado warning went out at Dec 28, 11:20 AM CST, 3 hours 27 minutes earlier.

Area forecast discussion, Dec 28, 11:20 AM CST, 3 hours 27 minutes before
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In the hours before

Special weather statement, Dec 28, 1:26 PM CST, 1 hour 21 minutes before
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      <div class="status" id="status">Temporary Notice</div>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Special weather statement, Dec 28, 1:54 PM CST, 53 minutes before
<!doctype html>
<html lang="en">
<head>
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</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, Dec 28, 2:24 PM CST, 23 minutes before
<!doctype html>
<html lang="en">
<head>
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  <title>Service Notice</title>
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</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, Dec 28, 2:34 PM CST, 13 minutes before
<!doctype html>
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</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, Dec 28, 2:38 PM CST, 9 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.
      </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 28, 2:42 PM CST, 5 minutes before
<!doctype html>
<html lang="en">
<head>
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  <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 Shreveport, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 28, 1:27 AM CSTDense Fog AdvisorySHVAngelina, Cherokee, Harrison, Nacogdoches, Panola, Rusk and 3 more8 hr
Dec 28, 5:57 AM CSTSpecial Weather StatementSHVPanola33 min
Dec 28, 6:27 AM CSTSpecial Weather StatementSHVHarrison33 min
Dec 28, 6:51 AM CSTSevere Thunderstorm WarningSHVCass24 min
Dec 28, 7:25 AM CSTSevere Thunderstorm WarningSHVCass, Harrison, Marion50 min
Dec 28, 7:29 AM CSTSpecial Weather StatementSHVBowie46 min
Dec 28, 7:41 AM CSTSevere Thunderstorm WarningSHVPanola49 min
Dec 28, 7:47 AM CSTSpecial Weather StatementSHVCamp, Franklin, Titus, Upshur, Wood43 min
Dec 28, 7:56 AM CSTSpecial Weather StatementSHVBowie49 min
Dec 28, 8:30 AM CSTSpecial Weather StatementSHVCamp, Franklin, Titus, Upshur, Wood45 min
Dec 28, 9:04 AM CSTSevere Thunderstorm Warning Considerable damage threatSHVCamp, Cass, Franklin, Marion, Morris, Titus and 2 more39 min
Dec 28, 9:31 AM CSTSevere Thunderstorm WarningSHVCass, Harrison, Marion, Morris, Upshur44 min
Dec 28, 10:13 AM CSTSpecial Weather StatementSHVCass, Harrison, Marion47 min
Dec 28, 10:14 AM CSTSevere Thunderstorm WarningSHVCass, Harrison, Marion46 min
Dec 28, 10:58 AM CSTSpecial Weather StatementSHVPanola62 min
Dec 28, 11:07 AM CSTSevere Thunderstorm WarningSHVHarrison, Panola53 min
Dec 28, 12:53 PM CSTRiver Flood WarningSHVAnderson, Cherokee, Houston54 hr
Dec 28, 12:53 PM CSTSpecial Weather StatementSHVSabine52 min
Dec 28, 12:54 PM CSTRiver Flood WarningSHVGregg46 hr
Dec 28, 1:01 PM CSTSpecial Weather StatementSHVAngelina44 min
Dec 28, 1:18 PM CSTSevere Thunderstorm WarningSHVAngelina, Nacogdoches, San Augustine42 min
Dec 28, 1:26 PM CSTSpecial Weather StatementSHVCherokee49 min
Dec 28, 1:40 PM CSTSevere Thunderstorm WarningSHVAngelina, Cherokee, Nacogdoches, Rusk50 min
Dec 28, 1:54 PM CSTSpecial Weather StatementSHVSan Augustine51 min
Dec 28, 2:05 PM CSTSevere Thunderstorm WarningSHVSabine, San Augustine, Shelby32 min
Dec 28, 2:24 PM CSTSpecial Weather StatementSHVAngelina, Nacogdoches66 min
Dec 28, 2:33 PM CSTSevere Thunderstorm WarningSHVSabine, Shelby30 min
Dec 28, 2:42 PM CSTSpecial Weather StatementSHVSan Augustine48 min
Dec 27, 9:29 PM CSTRiver Flood WarningSHVWebster10 days
Dec 28, 7:05 AM CSTSpecial Weather StatementSHVCaddo25 min
Dec 28, 7:38 AM CSTSpecial Weather StatementSHVGrant52 min
Dec 28, 7:56 AM CSTSevere Thunderstorm WarningSHVGrant, LaSalle, Winn28 min
Dec 28, 8:31 AM CSTSpecial Weather StatementSHVDe Soto44 min
Dec 28, 9:10 AM CSTSpecial Weather StatementSHVWebster50 min
Dec 28, 9:24 AM CSTSevere Thunderstorm WarningSHVBossier, Claiborne, Webster25 min
Dec 28, 10:50 AM CSTSpecial Weather StatementSHVBossier, Caddo, Claiborne, Webster55 min
Dec 28, 11:01 AM CSTSevere Thunderstorm WarningSHVBossier, Caddo, Claiborne, Webster44 min
Dec 28, 11:40 AM CSTSpecial Weather StatementSHVBossier, Claiborne, Webster50 min
Dec 28, 11:46 AM CSTSevere Thunderstorm WarningSHVBossier, Claiborne, Webster44 min
Dec 28, 11:51 AM CSTSevere Thunderstorm WarningSHVBienville, Bossier, Caddo, De Soto, Red River, Webster46 min
Dec 28, 12:29 PM CSTSpecial Weather StatementSHVClaiborne, Lincoln, Union61 min
Dec 28, 12:40 PM CSTSpecial Weather StatementSHVBienville, De Soto, Red River65 min
Dec 28, 12:48 PM CSTSpecial Weather StatementSHVNatchitoches42 min
Dec 28, 1:10 PM CSTSevere Thunderstorm WarningSHVGrant, Natchitoches, Winn65 min
Dec 28, 2:02 PM CSTTornado WarningSHVGrant, Winn28 min
Dec 28, 2:16 PM CSTSevere Thunderstorm WarningSHVGrant, Natchitoches, Winn44 min
Dec 28, 2:34 PM CSTSpecial Weather StatementSHVLaSalle41 min
Dec 28, 2:45 PM CSTSevere Thunderstorm WarningSHVCaldwell, LaSalle29 min
Dec 28, 2:48 PM CSTSevere Thunderstorm WarningSHVCaldwell, Grant, LaSalle, Winn42 min
Dec 28, 2:51 PM CSTTornado WarningSHVCaldwell, LaSalle24 min
Dec 28, 3:22 PM CSTSpecial Weather StatementSHVLaSalle23 min
Dec 28, 3:23 PM CSTSpecial Weather StatementSHVCaldwell37 min
Dec 28, 3:25 PM CSTSpecial Weather StatementSHVGrant, Winn50 min
Dec 28, 3:46 PM CSTSpecial Weather StatementSHVNatchitoches29 min
Dec 28, 3:56 PM CSTSpecial Weather StatementSHVLaSalle49 min
Dec 28, 4:14 PM CSTSpecial Weather StatementSHVGrant46 min
Dec 28, 6:42 AM CSTSpecial Weather StatementSHVMiller33 min
Dec 28, 7:13 AM CSTSpecial Weather StatementSHVLafayette32 min
Dec 28, 7:22 AM CSTSevere Thunderstorm WarningSHVColumbia, Hempstead, Lafayette, Miller38 min
Dec 28, 7:34 AM CSTSpecial Weather StatementSHVColumbia41 min
Dec 28, 7:54 AM CSTSevere Thunderstorm WarningSHVColumbia, Nevada, Union36 min
Dec 28, 8:08 AM CSTSpecial Weather StatementSHVColumbia, Lafayette52 min
Dec 28, 8:59 AM CSTSpecial Weather StatementSHVColumbia46 min
Dec 28, 10:27 AM CSTAreal Flood AdvisorySHVUnion3 hr

Nearby

Tornado Warnings in Louisiana, 2024Every tornado warning in 2024Tornadoes 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.