Alert archive / Louisiana / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 25, NWS Lake Charles, LA

April 4, 2019Beauregard Parish, Louisiana; Newton County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 4, 2019, 5:15 PM CDT for Beauregard Parish, Louisiana; Newton County, Texas. It was in force for 45 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 4, 2019, 5:15 PM CDT (22:15 UTC)
Expired: Apr 4, 2019, 6:00 PM CDT
In force: 45 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Beauregard Parish, LA, Newton County, TX

The radar

The Ft Polk radar (KPOE), 73 km from the middle of the area, began a volume at 22:14 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

Shreveport, LA (KBAD), launched 12:00Z, 10.3 hours before the alert went out and 197 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: 85 J/kg
Mixed-layer CIN: -214 J/kg
Mixed-layer LCL: 526 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 442 m²/s²
0-3 km storm-relative helicity: 488 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.1

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 4, 4:55 PM CDT, 20 minutes earlier.

Area forecast discussion, Apr 4, 4:55 PM CDT, 20 minutes before

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Hazardous weather outlook, Apr 4, 4:35 PM CDT, 40 minutes before

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In the hours before

Local storm report, Apr 4, 3:17 PM CDT, 1 hour 58 minutes before

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Local storm report, Apr 4, 4:30 PM CDT, 45 minutes before

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Local storm report, Apr 4, 4:42 PM CDT, 33 minutes before

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Local storm report, Apr 4, 4:45 PM CDT, 30 minutes before

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Local storm report, Apr 4, 4:51 PM CDT, 24 minutes before

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Local storm report, Apr 4, 4:52 PM CDT, 23 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 4, 2:14 AM CDT	Special Weather Statement	LCH	Vernon	31 min
Apr 4, 2:19 AM CDT	Special Weather Statement	LCH	Vernon	26 min
Apr 4, 2:28 AM CDT	Severe Thunderstorm Warning	LCH	Vernon	27 min
Apr 4, 2:34 AM CDT	Special Marine Warning	LCH		56 min
Apr 4, 2:35 AM CDT	Severe Thunderstorm Warning	LCH	Beauregard	40 min
Apr 4, 3:13 AM CDT	Severe Thunderstorm Warning	LCH	Allen, Beauregard, Vernon	27 min
Apr 4, 3:23 AM CDT	Special Weather Statement	LCH	Jefferson Davis	37 min
Apr 4, 4:07 AM CDT	Special Weather Statement	LCH	Evangeline	23 min
Apr 4, 4:25 AM CDT	Special Marine Warning	LCH		35 min
Apr 4, 4:31 AM CDT	Severe Thunderstorm Warning	LCH	Avoyelles, Evangeline, Saint Landry	19 min
Apr 4, 4:38 AM CDT	Special Weather Statement	LCH	Cameron	37 min
Apr 4, 4:41 AM CDT	Special Weather Statement	LCH	Saint Martin	34 min
Apr 4, 4:48 AM CDT	Severe Thunderstorm Warning	LCH	Iberia, St. Mary	27 min
Apr 4, 5:09 AM CDT	Severe Thunderstorm Warning	LCH	Cameron, Jefferson Davis	51 min
Apr 4, 5:18 AM CDT	Areal Flood Advisory	LCH	Calcasieu, Cameron	117 min
Apr 4, 6:09 AM CDT	Special Weather Statement	LCH	Jefferson Davis	51 min
Apr 4, 6:12 AM CDT	Severe Thunderstorm Warning	LCH	Cameron, Jefferson Davis, Vermilion	48 min
Apr 4, 6:22 AM CDT	Flash Flood Warning	LCH	Calcasieu, Cameron, Jefferson Davis, St. Mary	5 hr
Apr 4, 6:54 AM CDT	Severe Thunderstorm Warning	LCH	Acadia, Cameron, Vermilion	66 min
Apr 4, 7:25 AM CDT	Special Weather Statement	LCH	Jefferson Davis	50 min
Apr 4, 7:51 AM CDT	Flash Flood Warning	LCH	Acadia, Cameron, Jefferson Davis, Vermilion	3 hr
Apr 4, 7:53 AM CDT	Flash Flood Warning	LCH	Allen, Beauregard, Calcasieu, Jefferson Davis	2 hr
Apr 4, 7:55 AM CDT	Severe Thunderstorm Warning	LCH	Iberia, Vermilion	65 min
Apr 4, 8:22 AM CDT	Special Weather Statement	LCH	Acadia, Jefferson Davis	53 min
Apr 4, 8:33 AM CDT	Flash Flood Warning	LCH	Iberia, Lafayette, Saint Martin, St. Mary, Vermilion	117 min
Apr 4, 8:42 AM CDT	Severe Thunderstorm Warning	LCH	Iberia, Lafayette, Saint Martin, St. Mary, Vermilion	63 min
Apr 4, 9:11 AM CDT	Special Weather Statement	LCH	Jefferson Davis	64 min
Apr 4, 9:19 AM CDT	Flash Flood Warning Emergency	LCH	Calcasieu	116 min
Apr 4, 9:32 AM CDT	Special Weather Statement	LCH	Lafayette	43 min
Apr 4, 10:06 AM CDT	River Flood Warning	LCH	Beauregard, Calcasieu	70 days
Apr 4, 10:30 AM CDT	Special Weather Statement	LCH	Acadia, Lafayette, Saint Martin, St. Mary, Vermilion	45 min
Apr 4, 10:44 AM CDT	Flash Flood Warning	LCH	Acadia, Iberia, Lafayette, Saint Martin, St. Mary, Vermilion	2 hr
Apr 4, 10:51 AM CDT	Severe Thunderstorm Warning	LCH	Iberia, Saint Martin, St. Mary	36 min
Apr 4, 11:17 AM CDT	Severe Thunderstorm Warning	LCH	Saint Martin, St. Mary	29 min
Apr 4, 11:58 AM CDT	Flash Flood Warning	LCH	Calcasieu	2 hr
Apr 4, 12:13 PM CDT	Special Weather Statement	LCH	Beauregard	47 min
Apr 4, 12:31 PM CDT	Severe Thunderstorm Warning	LCH	Allen, Beauregard, Vernon	59 min
Apr 4, 12:42 PM CDT	Flash Flood Warning	LCH	Acadia, Cameron, Iberia, Jefferson Davis, Lafayette, Saint Martin and 2 more	2 hr
Apr 4, 12:43 PM CDT	Tornado Warning	LCH	Beauregard	21 min
Apr 4, 1:29 PM CDT	Special Weather Statement	LCH	Evangeline	46 min
Apr 4, 1:32 PM CDT	Special Weather Statement	LCH	Acadia	43 min
Apr 4, 2:15 PM CDT	Areal Flood Warning	LCH	Acadia, Calcasieu, Cameron, Iberia, Jefferson Davis, Lafayette and 3 more	3 hr
Apr 4, 2:19 PM CDT	Special Weather Statement	LCH	Evangeline	56 min
Apr 4, 2:26 PM CDT	Special Weather Statement	LCH	Saint Landry	49 min
Apr 4, 5:58 PM CDT	Severe Thunderstorm Warning	LCH	Beauregard	62 min
Apr 4, 1:45 AM CDT	Special Weather Statement	LCH	Newton	30 min
Apr 4, 2:23 AM CDT	Special Weather Statement	LCH	Hardin	37 min
Apr 4, 2:37 AM CDT	Severe Thunderstorm Warning	LCH	Hardin, Jasper, Newton, Tyler	21 min
Apr 4, 3:49 AM CDT	Special Weather Statement	LCH	Hardin	41 min
Apr 4, 11:45 AM CDT	Special Weather Statement	LCH	Newton	45 min
Apr 4, 5:19 PM CDT	Severe Thunderstorm Warning	LCH	Jasper, Newton	41 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2019 Severe Thunderstorm Warnings in Texas, 2019 Every severe thunderstorm warning in 2019

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.