Alert archive / Louisiana / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 162, NWS Lake Charles, LA

July 22, 2023Iberia Parish, Saint Martin Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Jul 22, 2023, 5:46 PM CDT for Iberia Parish, Saint Martin Parish, Louisiana. It was in force for 38 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
Jul 22, 2023, 5:46 PM CDT (22:46 UTC)
Expired
Jul 22, 2023, 6:24 PM CDT
In force
38 min
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Iberia Parish, LA, Saint Martin Parish, LA

The radar

The Lake Charles radar (KLCH), 148 km from the middle of the area, began a volume at 22:49 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
Jul 22, 2:17 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 10.8 hours before the alert went out and 319 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, Jackson, MS at 12:00Z on 2023-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2243 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, Jackson, MS at 12:00Z on 2023-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 square meters per square second.1939Sfc1 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
2243 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
945 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
120 m²/s²
Significant tornado parameter
0.9
Supercell composite
4.5

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 2:01 PM CDTSpecial Weather StatementLCHRapides29 min
Jul 22, 2:04 PM CDTSpecial Weather StatementLCHVernon26 min
Jul 22, 2:32 PM CDTSpecial Weather StatementLCHRapides28 min
Jul 22, 2:34 PM CDTSpecial Weather StatementLCHAvoyelles26 min
Jul 22, 2:57 PM CDTSpecial Weather StatementLCHBeauregard33 min
Jul 22, 2:59 PM CDTSpecial Weather StatementLCHRapides31 min
Jul 22, 3:08 PM CDTSpecial Weather StatementLCHAvoyelles37 min
Jul 22, 3:12 PM CDTSevere Thunderstorm WarningLCHAvoyelles33 min
Jul 22, 3:14 PM CDTSpecial Weather StatementLCHAllen31 min
Jul 22, 3:24 PM CDTSpecial Weather StatementLCHVernon36 min
Jul 22, 3:41 PM CDTSpecial Weather StatementLCHEvangeline34 min
Jul 22, 3:45 PM CDTSpecial Weather StatementLCHAvoyelles30 min
Jul 22, 3:52 PM CDTSevere Thunderstorm WarningLCHRapides, Vernon38 min
Jul 22, 4:14 PM CDTSevere Thunderstorm WarningLCHAcadia, Evangeline, Saint Landry61 min
Jul 22, 4:30 PM CDTSevere Thunderstorm WarningLCHAcadia, Allen, Jefferson Davis46 min
Jul 22, 4:59 PM CDTSevere Thunderstorm WarningLCHSaint Landry24 min
Jul 22, 5:15 PM CDTSevere Thunderstorm WarningLCHBeauregard, Calcasieu60 min
Jul 22, 5:22 PM CDTSevere Thunderstorm WarningLCHAcadia, Vermilion53 min
Jul 22, 5:31 PM CDTSevere Thunderstorm WarningLCHAcadia, Calcasieu, Jefferson Davis59 min
Jul 22, 5:55 PM CDTSevere Thunderstorm WarningLCHBeauregard, Calcasieu65 min
Jul 22, 6:08 PM CDTSevere Thunderstorm WarningLCHIberia40 min
Jul 22, 6:11 PM CDTSevere Thunderstorm WarningLCHCalcasieu, Cameron, Jefferson Davis64 min
Jul 22, 6:17 PM CDTSpecial Marine WarningLCH58 min
Jul 22, 6:44 PM CDTSpecial Marine WarningLCH61 min
Jul 22, 6:56 PM CDTSpecial Marine WarningLCH64 min

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.