Alert archive / Louisiana / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 181, NWS Lake Charles, LA

August 24, 2023Calcasieu Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Aug 24, 2023, 5:56 PM CDT for Calcasieu Parish, Louisiana. It was in force for 24 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: Aug 24, 2023, 5:56 PM CDT (22:56 UTC)
Expired: Aug 24, 2023, 6:20 PM CDT
In force: 24 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

County Calcasieu Parish, LA

The radar

The Lake Charles radar (KLCH), 18 km from the middle of the area, began a volume at 23:00 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 12:00Z, 10.9 hours before the alert went out and 19 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 514 J/kg
Mixed-layer CIN: -184 J/kg
Mixed-layer LCL: 1709 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 137 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

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 Aug 24, 5:38 PM CDT, 18 minutes earlier.

Area forecast discussion, Aug 24, 5:38 PM CDT, 18 minutes before

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Hazardous weather outlook, Aug 24, 3:31 PM CDT, 2 hours 25 minutes before

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In the hours before

Special weather statement, Aug 24, 4:17 PM CDT, 1 hour 39 minutes before

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Local storm report, Aug 24, 4:25 PM CDT, 1 hour 31 minutes before

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Special weather statement, Aug 24, 4:25 PM CDT, 1 hour 31 minutes before

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Special weather statement, Aug 24, 4:27 PM CDT, 1 hour 29 minutes before

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Special weather statement, Aug 24, 4:51 PM CDT, 1 hour 5 minutes before

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Special weather statement, Aug 24, 5:43 PM CDT, 13 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 24, 3:30 PM CDT	Red Flag Warning	LCH	Acadia, Allen, Avoyelles, Beauregard, Calcasieu, Cameron and 10 more	29 hr
Aug 24, 3:58 PM CDT	Excessive Heat Warning	LCH	Avoyelles, Rapides, Vernon	28 hr
Aug 24, 3:58 PM CDT	Heat Advisory	LCH	Acadia, Allen, Beauregard, Calcasieu, Cameron, Evangeline and 7 more	28 hr
Aug 24, 4:17 PM CDT	Special Weather Statement	LCH	Saint Landry	28 min
Aug 24, 4:25 PM CDT	Special Weather Statement	LCH	Calcasieu	35 min
Aug 24, 4:27 PM CDT	Special Weather Statement	LCH	Saint Landry	33 min
Aug 24, 4:51 PM CDT	Special Weather Statement	LCH	Beauregard	24 min
Aug 24, 5:43 PM CDT	Special Weather Statement	LCH	Calcasieu	32 min
Aug 24, 6:52 PM CDT	Special Weather Statement	LCH	Vernon	38 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2023 Every 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.