Alert archive / Louisiana / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 233, NWS Lake Charles, LA

December 1, 20235 parishes in Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Dec 1, 2023, 2:55 AM CST for 5 parishes in Louisiana. It was in force for 65 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 1, 2023, 2:55 AM CST (08:55 UTC)
Expired
Dec 1, 2023, 4:00 AM CST
In force
65 min
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Iberia Parish, LA, Lafayette Parish, LA, Saint Martin Parish, LA, St. Mary Parish, LA, Vermilion Parish, LA

The radar

The Lake Charles radar (KLCH), 134 km from the middle of the area, began a volume at 08:56 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, 8.9 hours before the alert went out and 132 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 2023-12-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2023-12-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 164 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
653 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
164 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Lake Charles, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Nov 30, 11:47 PM CST, 3 hours 8 minutes earlier.

Area forecast discussion, Nov 30, 11:47 PM CST, 3 hours 8 minutes before
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In the hours before

Special weather statement, Dec 1, 1:19 AM CST, 1 hour 36 minutes before
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Local storm report, Dec 1, 1:42 AM CST, 1 hour 13 minutes before
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Special weather statement, Dec 1, 1:46 AM CST, 1 hour 9 minutes before
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Special weather statement, Dec 1, 2:15 AM CST, 40 minutes before
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      <h1 id="headline">This service is currently unavailable.</h1>
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Local storm report, Dec 1, 2:51 AM CST, 4 minutes before
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<body>
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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
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      <p id="message2">
        Please try again in a few minutes.
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      <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 1, 2:51 AM CST, 4 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>
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The office that day

Everything else NWS Lake Charles, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 30, 6:20 PM CSTSpecial Weather StatementLCHCalcasieu25 min
Nov 30, 6:53 PM CSTSpecial Marine WarningLCH67 min
Nov 30, 8:03 PM CSTSevere Thunderstorm WarningLCHCameron42 min
Nov 30, 8:16 PM CSTSpecial Marine WarningLCH59 min
Nov 30, 8:44 PM CSTSevere Thunderstorm WarningLCHCalcasieu, Cameron, Jefferson Davis61 min
Nov 30, 9:31 PM CSTFlash Flood WarningLCHCalcasieu, Cameron, Jefferson Davis3 hr
Nov 30, 9:34 PM CSTSpecial Marine WarningLCH56 min
Nov 30, 9:38 PM CSTSpecial Weather StatementLCHCameron52 min
Nov 30, 9:45 PM CSTSpecial Weather StatementLCHJefferson Davis45 min
Nov 30, 10:06 PM CSTSpecial Marine WarningLCH24 min
Nov 30, 10:21 PM CSTSpecial Weather StatementLCHAcadia54 min
Nov 30, 10:25 PM CSTSpecial Weather StatementLCHCameron50 min
Nov 30, 10:26 PM CSTSpecial Marine WarningLCH64 min
Nov 30, 10:53 PM CSTSpecial Marine WarningLCH67 min
Nov 30, 11:16 PM CSTSpecial Weather StatementLCHCameron44 min
Nov 30, 11:18 PM CSTSpecial Weather StatementLCHLafayette42 min
Nov 30, 11:56 PM CSTSpecial Weather StatementLCHVermilion64 min
Dec 1, 12:01 AM CSTSpecial Weather StatementLCHAcadia59 min
Dec 1, 12:51 AM CSTSpecial Weather StatementLCHLafayette39 min
Dec 1, 1:01 AM CSTSpecial Weather StatementLCHVermilion44 min
Dec 1, 1:19 AM CSTSpecial Weather StatementLCHSaint Martin41 min
Dec 1, 1:34 AM CSTFlash Flood WarningLCHAcadia, Jefferson Davis, Lafayette, Saint Landry, Saint Martin, Vermilion2 hr
Dec 1, 1:46 AM CSTSpecial Weather StatementLCHVermilion44 min
Dec 1, 1:48 AM CSTSpecial Marine WarningLCH27 min
Dec 1, 2:15 AM CSTSpecial Weather StatementLCHLafayette30 min
Dec 1, 2:51 AM CSTSpecial Weather StatementLCHLafayette39 min
Dec 1, 3:59 AM CSTSpecial Weather StatementLCHSaint Martin31 min
Dec 1, 4:06 AM CSTSpecial Weather StatementLCHVermilion24 min
Dec 1, 4:31 AM CSTSpecial Weather StatementLCHSaint Martin44 min
Dec 1, 4:37 AM CSTSpecial Marine WarningLCH68 min
Dec 1, 5:11 AM CSTSpecial Weather StatementLCHSaint Martin34 min
Dec 1, 1:31 PM CSTRiver Flood WarningLCHLafayette, Vermilion21 hr
Dec 1, 1:31 PM CSTRiver Flood WarningLCHCalcasieu5 days
Dec 1, 1:51 PM CSTFlood WatchLCHAcadia, Iberia, Jefferson Davis, Lafayette, Saint Martin, St. Mary and 1 more19 hr
Dec 1, 5:26 PM CSTSpecial Marine WarningLCH64 min
Nov 30, 6:19 PM CSTSpecial Weather StatementLCHJefferson, Orange41 min
Nov 30, 6:59 PM CSTFlash Flood WarningLCHJefferson3 hr
Nov 30, 7:21 PM CSTSpecial Weather StatementLCHJefferson39 min
Nov 30, 7:45 PM CSTFlash Flood WarningLCHJefferson2 hr
Nov 30, 11:04 PM CSTRiver Flood WarningLCHHardin, Jasper, Jefferson, Orange12 hr

Nearby

Severe Thunderstorm Warnings in Louisiana, 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.