Alert archive / Louisiana / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 21, NWS Shreveport, LA

February 11, 20245 parishes in Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Feb 11, 2024, 11:13 AM CST for 5 parishes in Louisiana. It was in force for 47 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: Feb 11, 2024, 11:13 AM CST (17:13 UTC)
Expired: Feb 11, 2024, 12:00 PM CST
In force: 47 min
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Bienville Parish, LA, Jackson Parish, LA, Lincoln Parish, LA, Ouachita Parish, LA, Union Parish, LA

The radar

The Shreveport radar (KSHV), 120 km from the middle of the area, began a volume at 17:13 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.

Issued	Product	Office	Lasted
Feb 11, 7:52 AM CST	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 5.2 hours before the alert went out and 111 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 655 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: 40 m²/s²
0-3 km storm-relative helicity: 122 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 Shreveport, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Feb 11, 8:13 AM CST, 3 hours earlier.

Area forecast discussion, Feb 11, 8:13 AM CST, 3 hours before

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Hazardous weather outlook, Feb 11, 4:20 AM CST, 6 hours 53 minutes before

Hazardous Weather Outlook
National Weather Service Shreveport LA
420 AM CST Sun Feb 11 2024

ARZ050-051-059>061-070>073-OKZ077-TXZ096-097-108>112-121800-
Sevier-Howard-Little River-Hempstead-Nevada-Miller-Lafayette-
Columbia-Union-McCurtain-Red River-Bowie-Franklin-Titus-Camp-Morris-
Cass-
420 AM CST Sun Feb 11 2024

This Hazardous Weather Outlook is for south central Arkansas,
southwest Arkansas, southeast Oklahoma and northeast Texas.

.DAY ONE...Today and tonight.

Showers with embedded thunderstorms will increase across the region
this morning and some of these could pose a hail threat. Otherwise
the activity will move out of the region by late this afternoon, but
will return to the northern half of Northeast Texas, Southeast
Oklahoma and Southwest Arkasas later this evening and into the
overnight hours as an upper level storm system moves overhead. Any
strong storms this evening could also result in a small hail threat.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

The rain moves out early Monday Morning with drier conditions
through at least Thursday. More unsettled weather returns to the
region Friday and into next weekend in the form of more showers and
thunderstorms.

.SPOTTER INFORMATION STATEMENT...

Spotter activation should not be needed.

TXZ136>138-149>153-165-121800-
Smith-Gregg-Harrison-Cherokee-Rusk-Panola-Nacogdoches-Shelby-
Angelina-
420 AM CST Sun Feb 11 2024

...SEVERE THUNDERSTORM WATCH 16 IN EFFECT UNTIL 11 AM CST THIS
MORNING...

This Hazardous Weather Outlook is for East Texas and Northeast
Texas.

.DAY ONE...Today and tonight.

Increasing coverage of showers and thunderstorms will infiltrate the
region this morning, bringing with them a large hail threat. The
threat will likely continue into the afternoon hours but mainly south
of the I-20 Corridor where there will be a damaging wind and an
isolated tornado threat as well. The convection moves east of the
region by late this afternoon into early this evening. Look for
additional rainfall amounts of near one inch with isolated higher
amounts.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

More unsettled weather returns to the region Friday and into next
weekend in the form of more showers and thunderstorms.

.SPOTTER INFORMATION STATEMENT...

Spotter activation has already been made and could continue into the
afternoon.

LAZ001>006-010>014-017>022-TXZ124>126-166-167-121800-
Caddo-Bossier-Webster-Claiborne-Lincoln-Union-De Soto-Red River-
Bienville-Jackson-Ouachita-Sabine-Natchitoches-Winn-Grant-Caldwell-
La Salle-Wood-Upshur-Marion-San Augustine-
420 AM CST Sun Feb 11 2024

This Hazardous Weather Outlook is for north central Louisiana,
northwest Louisiana, east Texas and northeast Texas.

.DAY ONE...Today and tonight.

There will be a threat for mainly large hail this morning near and
south of the I-20 Corridor of Northeast Texas and Northern Louisiana.
As we transition into the afternoon and early evening hours, there
will be a continued threat for large hail, in addition to damaging
wind gusts and isolated tornadoes. This threat will end across East
Central Louisiana during the evening. Look for additional rainfall
amounts near one inch with isolated higher amounts.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

More unsettled weather returns to the region Friday and into next
weekend in the form of more showers and thunderstorms.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is likely later today.

13

In the hours before

Local storm report, Feb 11, 9:32 AM CST, 1 hour 41 minutes before

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Local storm report, Feb 11, 9:34 AM CST, 1 hour 39 minutes before

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Local storm report, Feb 11, 9:39 AM CST, 1 hour 34 minutes before

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Special weather statement, Feb 11, 9:57 AM CST, 1 hour 16 minutes before

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Local storm report, Feb 11, 10:27 AM CST, 46 minutes before

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Special weather statement, Feb 11, 10:28 AM CST, 45 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 10, 6:40 PM CST	Special Weather Statement	SHV	Cherokee, Rusk, Smith	65 min
Feb 10, 8:19 PM CST	River Flood Warning	SHV	Anderson, Cherokee, Houston, Trinity	5 days
Feb 10, 8:22 PM CST	River Flood Warning	SHV	Nacogdoches, Rusk	62 hr
Feb 10, 8:26 PM CST	River Flood Warning	SHV	Anderson, Cherokee, Houston	6 days
Feb 10, 11:25 PM CST	Areal Flood Warning	SHV	Angelina, Nacogdoches, Panola, Rusk, San Augustine, Shelby	6 hr
Feb 10, 11:37 PM CST	Special Weather Statement	SHV	Nacogdoches	23 min
Feb 10, 11:49 PM CST	Special Weather Statement	SHV	Nacogdoches	26 min
Feb 11, 12:05 AM CST	Special Weather Statement	SHV	Nacogdoches	25 min
Feb 11, 12:18 AM CST	Special Weather Statement	SHV	Nacogdoches	27 min
Feb 11, 1:07 AM CST	Special Weather Statement	SHV	Rusk	23 min
Feb 11, 1:51 AM CST	Special Weather Statement	SHV	Cherokee	24 min
Feb 11, 2:10 AM CST	Severe Thunderstorm Warning	SHV	Cherokee, Smith	50 min
Feb 11, 2:50 AM CST	Special Weather Statement	SHV	Rusk	25 min
Feb 11, 6:22 AM CST	Severe Thunderstorm Warning	SHV	Cherokee, Smith	38 min
Feb 11, 6:41 AM CST	Special Weather Statement	SHV	Harrison	34 min
Feb 11, 7:00 AM CST	Severe Thunderstorm Warning Considerable damage threat	SHV	Cherokee, Gregg, Rusk, Smith, Upshur	60 min
Feb 11, 7:46 AM CST	Severe Thunderstorm Warning Considerable damage threat	SHV	Gregg, Harrison, Marion, Rusk	59 min
Feb 11, 7:52 AM CST	Severe Thunderstorm Warning	SHV	Cherokee, Nacogdoches, Rusk	53 min
Feb 11, 7:58 AM CST	Severe Thunderstorm Warning Considerable damage threat	SHV	Gregg, Harrison, Panola, Rusk	47 min
Feb 11, 8:41 AM CST	Severe Thunderstorm Warning	SHV	Nacogdoches, Panola, Rusk, Shelby	49 min
Feb 11, 8:42 AM CST	Severe Thunderstorm Warning Considerable damage threat	SHV	Harrison, Marion, Panola	48 min
Feb 11, 10:41 AM CST	Severe Thunderstorm Warning	SHV	Sabine	49 min
Feb 11, 11:39 AM CST	Special Weather Statement	SHV	San Augustine	36 min
Feb 11, 12:40 PM CST	Severe Thunderstorm Warning	SHV	Sabine, San Augustine	50 min
Feb 11, 12:50 AM CST	Special Weather Statement	SHV	Red River	25 min
Feb 11, 2:18 AM CST	Special Weather Statement	SHV	Red River	27 min
Feb 11, 2:48 AM CST	Special Weather Statement	SHV	Bienville	27 min
Feb 11, 2:57 AM CST	Special Weather Statement	SHV	Caddo	33 min
Feb 11, 3:23 AM CST	Special Weather Statement	SHV	Caddo	52 min
Feb 11, 3:34 AM CST	Severe Thunderstorm Warning	SHV	Bossier, Caddo, Webster	41 min
Feb 11, 3:41 AM CST	Special Weather Statement	SHV	Lincoln	34 min
Feb 11, 9:22 AM CST	Severe Thunderstorm Warning Considerable damage threat	SHV	Bossier, Caddo, Claiborne, Webster	38 min
Feb 11, 9:31 AM CST	Special Weather Statement	SHV	De Soto	29 min
Feb 11, 9:57 AM CST	Special Weather Statement	SHV	Claiborne	33 min
Feb 11, 10:34 AM CST	Severe Thunderstorm Warning	SHV	Claiborne, Lincoln, Ouachita, Union	41 min
Feb 11, 10:36 AM CST	Severe Thunderstorm Warning	SHV	Bienville, Bossier, Jackson, Lincoln, Natchitoches, Red River	39 min
Feb 11, 11:00 AM CST	Severe Thunderstorm Warning	SHV	Lincoln, Union	45 min
Feb 11, 11:19 AM CST	Special Weather Statement	SHV	Natchitoches	26 min
Feb 11, 12:38 PM CST	Special Weather Statement	SHV	Caldwell	37 min
Feb 11, 1:20 PM CST	Special Weather Statement	SHV	Natchitoches	25 min
Feb 11, 1:32 PM CST	Special Weather Statement	SHV	Sabine	28 min
Feb 11, 1:45 PM CST	Special Weather Statement	SHV	Sabine	30 min
Feb 11, 3:04 PM CST	Severe Thunderstorm Warning	SHV	Grant, LaSalle	41 min
Feb 11, 3:43 PM CST	Severe Thunderstorm Warning	SHV	Caldwell, Grant, LaSalle	47 min
Feb 11, 4:03 PM CST	Special Weather Statement	SHV	Grant	27 min
Feb 11, 4:26 PM CST	Special Weather Statement	SHV	LaSalle	49 min
Feb 11, 4:48 PM CST	Special Weather Statement	SHV	LaSalle	27 min
Feb 11, 4:23 AM CST	Special Weather Statement	SHV	Miller	37 min
Feb 11, 10:28 AM CST	Special Weather Statement	SHV	Union	32 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2024 Every severe thunderstorm warning in 2024

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.