Alert archive / Louisiana / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 91, NWS Shreveport, LA

March 23, 2025Bienville Parish, Claiborne Parish, Lincoln Parish, Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Mar 23, 2025, 8:58 PM CDT for Bienville Parish, Claiborne Parish, Lincoln Parish, 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: Mar 23, 2025, 8:58 PM CDT (01:58 UTC)
Expired: Mar 23, 2025, 9:45 PM CDT
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, Claiborne Parish, LA, Lincoln Parish, LA

The radar

The Shreveport radar (KSHV), 89 km from the middle of the area, began a volume at 01:59 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
Mar 23, 6:22 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 2.0 hours before the alert went out and 80 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: 1675 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 1602 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 118 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 Shreveport, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 23, 6:48 PM CDT, 2 hours 10 minutes earlier.

Area forecast discussion, Mar 23, 6:48 PM CDT, 2 hours 10 minutes before

Area Forecast Discussion...UPDATED
National Weather Service Shreveport LA
648 PM CDT Sun Mar 23 2025

...New AVIATION...

.UPDATE...
Issued at 628 PM CDT Sun Mar 23 2025

Tonight's Zone forecast has been updated to include Severe
Thunderstorm Watch #63 until 1 AM for our area along and south of
I-20 in Texas and Louisiana and east of I-49 in extreme SW AR/N LA.
Hopefully we wash the pollen away for a while with limited impacts
from this early Spring event. /24/

&&

.AVIATION...
(00Z TAFS)
Issued at 648 PM CDT Sun Mar 23 2025

Mostly VFR conditions will continue through the 24/00Z TAF period.
Scattered convection has begun to develop across portions of Srn AR/N LA
and Deep E TX, along and ahead of a cold front that extends from a JDD, to
just S of an ATA to near ADF as of 2330Z. This convection will effect all
but the TXK terminal this evening, as the front continues to progress
SE through the region this evening/overnight. Brief MVFR cigs, reduced
vsbys, hail, and wind gusts in excess of 35 kts will be possible in/near
the convection, before they shift S of the LFK/MLU terminals by/shortly
after 06Z. 6-9kft cigs behind the front will also gradually scatter out
from NW to SE tonight, with cirrus cigs scattering out as well by/after
daybreak. WSW winds 5-10kts ahead of the front this evening, will become
NNE 4-8kts with the fropa. Winds will gradually veer more ESE 4-7kts
after 18Z. /15/

&&

.SPOTTER INFORMATION STATEMENT...
Issued at 648 PM CDT Sun Mar 23 2025

Spotter activation will be needed this evening for East Texas along and
south of I-20, as well as North Louisiana and extreme Southern Arkansas.

&&

.PRELIMINARY POINT TEMPS/POPS...
SHV  54  78  56  87 /  70   0   0   0
MLU  55  74  53  84 /  90   0   0   0
DEQ  44  76  47  86 /   0   0   0  10
TXK  49  78  53  88 /  20   0   0   0
ELD  48  77  51  87 /  70   0   0   0
TYR  53  78  57  88 /  40   0   0   0
GGG  52  78  55  87 /  60   0   0   0
LFK  58  80  59  87 /  80  10   0   0

&&

.SHV WATCHES/WARNINGS/ADVISORIES...
AR...None.
LA...None.
OK...None.
TX...None.
&&

SHORT TERM...24
AVIATION...15

In the hours before

Local storm report, Mar 23, 7:50 PM CDT, 1 hour 8 minutes before

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Local storm report, Mar 23, 7:53 PM CDT, 1 hour 5 minutes before

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Local storm report, Mar 23, 8:14 PM CDT, 44 minutes before

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Local storm report, Mar 23, 8:31 PM CDT, 27 minutes before

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Special weather statement, Mar 23, 8:38 PM CDT, 20 minutes before

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Local storm report, Mar 23, 8:51 PM CDT, 7 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
Mar 23, 7:03 PM CDT	Severe Thunderstorm Warning	SHV	Nacogdoches, Sabine, San Augustine, Shelby	57 min
Mar 23, 7:51 PM CDT	Severe Thunderstorm Warning	SHV	Sabine, San Augustine, Shelby	39 min
Mar 23, 8:04 PM CDT	Severe Thunderstorm Warning	SHV	Sabine, San Augustine, Shelby	41 min
Mar 23, 8:22 PM CDT	Severe Thunderstorm Warning Considerable damage threat	SHV	Cherokee, Smith	53 min
Mar 23, 9:13 PM CDT	Severe Thunderstorm Warning Considerable damage threat	SHV	Cherokee	21 min
Mar 23, 9:37 PM CDT	Special Weather Statement	SHV	Gregg	38 min
Mar 23, 10:09 PM CDT	Special Weather Statement	SHV	Panola	36 min
Mar 23, 10:15 PM CDT	Severe Thunderstorm Warning	SHV	Panola	60 min
Mar 23, 7:00 PM CDT	Severe Thunderstorm Warning	SHV	Lincoln, Union	30 min
Mar 23, 7:10 PM CDT	Severe Thunderstorm Warning Considerable damage threat	SHV	Claiborne, Webster	35 min
Mar 23, 7:23 PM CDT	Severe Thunderstorm Warning	SHV	Bossier, Caddo	37 min
Mar 23, 7:27 PM CDT	Severe Thunderstorm Warning	SHV	Ouachita, Union	33 min
Mar 23, 7:32 PM CDT	Severe Thunderstorm Warning	SHV	Bienville, Claiborne, Lincoln	43 min
Mar 23, 7:35 PM CDT	Severe Thunderstorm Warning Considerable damage threat	SHV	Claiborne	25 min
Mar 23, 7:59 PM CDT	Severe Thunderstorm Warning	SHV	Ouachita, Union	61 min
Mar 23, 8:00 PM CDT	Severe Thunderstorm Warning	SHV	Claiborne	27 min
Mar 23, 8:03 PM CDT	Severe Thunderstorm Warning	SHV	Bossier, Webster	13 min
Mar 23, 8:11 PM CDT	Severe Thunderstorm Warning	SHV	Bienville, Claiborne, Jackson, Lincoln	49 min
Mar 23, 8:24 PM CDT	Severe Thunderstorm Warning	SHV	Bossier, Caddo	36 min
Mar 23, 8:35 PM CDT	Severe Thunderstorm Warning	SHV	Claiborne, Lincoln	40 min
Mar 23, 9:01 PM CDT	Severe Thunderstorm Warning	SHV	Bossier, Webster	44 min
Mar 23, 9:21 PM CDT	Special Weather Statement	SHV	Caddo	39 min
Mar 23, 9:28 PM CDT	Special Weather Statement	SHV	Union	32 min
Mar 23, 9:28 PM CDT	Severe Thunderstorm Warning	SHV	Bienville, Bossier, Caddo, Red River, Webster	62 min
Mar 23, 9:42 PM CDT	Severe Thunderstorm Warning	SHV	Bienville, Claiborne, Jackson, Lincoln, Ouachita, Union	63 min
Mar 23, 9:45 PM CDT	Special Weather Statement	SHV	Union	60 min
Mar 23, 9:48 PM CDT	Special Weather Statement	SHV	De Soto	27 min
Mar 23, 9:51 PM CDT	Tornado Warning	SHV	Jackson, Lincoln	24 min
Mar 23, 10:05 PM CDT	Special Weather Statement	SHV	Caddo	40 min
Mar 23, 10:29 PM CDT	Severe Thunderstorm Warning	SHV	Bienville, Bossier, Caddo, De Soto, Red River, Webster	61 min
Mar 23, 10:47 PM CDT	Special Weather Statement	SHV	Lincoln, Union	28 min
Mar 23, 11:30 PM CDT	Special Weather Statement	SHV	Jackson	60 min
Mar 23, 11:39 PM CDT	Areal Flood Advisory	SHV	Bienville, Claiborne, Jackson, Lincoln, Union	3 hr
Mar 23, 11:47 PM CDT	Special Weather Statement	SHV	Bienville	28 min
Mar 23, 11:52 PM CDT	Special Weather Statement	SHV	Union	53 min
Mar 24, 12:06 AM CDT	Special Weather Statement	SHV	Union	39 min
Mar 24, 12:09 AM CDT	Severe Thunderstorm Warning	SHV	Claiborne, Lincoln, Union	51 min
Mar 24, 12:13 AM CDT	Special Weather Statement	SHV	Winn	47 min
Mar 24, 12:35 AM CDT	Special Weather Statement	SHV	Jackson	55 min
Mar 24, 12:52 AM CDT	Severe Thunderstorm Warning Considerable damage threat	SHV	Union	38 min
Mar 24, 12:56 AM CDT	Severe Thunderstorm Warning	SHV	Union	64 min
Mar 24, 1:00 AM CDT	Special Weather Statement	SHV	Caldwell	45 min
Mar 23, 8:38 PM CDT	Special Weather Statement	SHV	Union	37 min
Mar 23, 9:04 PM CDT	Special Weather Statement	SHV	Union	26 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2025 Every severe thunderstorm warning in 2025

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.