Alert archive / Louisiana / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 45, NWS Lake Charles, LA

April 15, 20234 parishes in Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 15, 2023, 9:49 AM CDT for 4 parishes in Louisiana. It was in force for 15 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: Apr 15, 2023, 9:49 AM CDT (14:49 UTC)
Expired: Apr 15, 2023, 10:04 AM CDT
In force: 15 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Acadia Parish, LA, Lafayette Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 2.8 hours before the alert went out and 115 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: 1980 J/kg
Mixed-layer CIN: -150 J/kg
Mixed-layer LCL: 758 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 140 m²/s²
0-3 km storm-relative helicity: 218 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 6.4

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 Apr 15, 6:35 AM CDT, 3 hours 14 minutes earlier.

Area forecast discussion, Apr 15, 6:35 AM CDT, 3 hours 14 minutes before

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Hazardous weather outlook, Apr 15, 4:51 AM CDT, 4 hours 58 minutes before

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In the hours before

Special weather statement, Apr 15, 8:29 AM CDT, 1 hour 20 minutes before

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Special weather statement, Apr 15, 9:02 AM CDT, 47 minutes before

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Special weather statement, Apr 15, 9:07 AM CDT, 42 minutes before

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Special weather statement, Apr 15, 9:34 AM CDT, 15 minutes before

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Special weather statement, Apr 15, 9:41 AM CDT, 8 minutes before

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Special weather statement, Apr 15, 9:43 AM CDT, 6 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
Apr 15, 7:38 AM CDT	Special Weather Statement	LCH	Beauregard, Calcasieu	52 min
Apr 15, 8:29 AM CDT	Special Weather Statement	LCH	Acadia, Allen, Calcasieu, Cameron, Evangeline, Jefferson Davis	31 min
Apr 15, 8:38 AM CDT	Severe Thunderstorm Warning	LCH	Allen, Beauregard, Rapides, Vernon	9 min
Apr 15, 9:02 AM CDT	Special Weather Statement	LCH	Acadia, Avoyelles, Cameron, Evangeline, Jefferson Davis, Lafayette and 1 more	28 min
Apr 15, 9:07 AM CDT	Special Weather Statement	LCH	Avoyelles	23 min
Apr 15, 9:21 AM CDT	Severe Thunderstorm Warning	LCH	Acadia, Evangeline, Saint Landry	24 min
Apr 15, 9:34 AM CDT	Special Weather Statement	LCH	Avoyelles	26 min
Apr 15, 9:37 AM CDT	River Flood Warning	LCH	Lafayette, Vermilion	33 hr
Apr 15, 9:41 AM CDT	Special Weather Statement	LCH	Saint Landry	34 min
Apr 15, 9:43 AM CDT	Special Weather Statement	LCH	Cameron	32 min
Apr 15, 9:45 AM CDT	Severe Thunderstorm Warning	LCH	Evangeline, Saint Landry	30 min
Apr 15, 10:01 AM CDT	Special Weather Statement	LCH	Avoyelles	29 min
Apr 15, 10:13 AM CDT	Special Weather Statement	LCH	Saint Landry	32 min
Apr 15, 10:15 AM CDT	Special Weather Statement	LCH	Vermilion	30 min
Apr 15, 10:41 AM CDT	Special Weather Statement	LCH	Saint Martin	19 min
Apr 15, 10:44 AM CDT	Special Marine Warning	LCH		31 min
Apr 15, 10:49 AM CDT	Special Weather Statement	LCH	Lafayette	26 min
Apr 15, 11:00 AM CDT	Special Weather Statement	LCH	Saint Martin	30 min
Apr 15, 11:14 AM CDT	Special Marine Warning	LCH		31 min
Apr 15, 2:37 PM CDT	Small Craft Advisory	LCH		25 hr
Apr 15, 6:39 AM CDT	Special Weather Statement	LCH	Hardin	51 min
Apr 15, 5:14 PM CDT	Severe Thunderstorm Warning	LCH	Hardin, Jasper, Tyler	61 min
Apr 15, 5:17 PM CDT	Severe Thunderstorm Warning	LCH	Hardin, Jefferson, Orange	58 min
Apr 15, 5:48 PM CDT	Severe Thunderstorm Warning	LCH	Hardin	57 min
Apr 15, 6:12 PM CDT	Severe Thunderstorm Warning	LCH	Hardin, Jasper, Jefferson, Orange	48 min
Apr 15, 6:14 PM CDT	Severe Thunderstorm Warning	LCH	Tyler	46 min
Apr 15, 6:49 PM CDT	Special Weather Statement	LCH	Hardin	26 min
Apr 15, 6:53 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LCH	Jasper, Newton, Tyler	37 min
Apr 15, 6:59 PM CDT	Severe Thunderstorm Warning	LCH	Hardin, Jefferson, Orange	31 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.