Alert archive / Louisiana / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 99, NWS Shreveport, LA

March 24, 2025Union Parish, Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Mar 24, 2025, 12:52 AM CDT for Union Parish, Louisiana. It was in force for 38 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 24, 2025, 12:52 AM CDT (05:52 UTC)
Expired: Mar 24, 2025, 1:30 AM CDT
In force: 38 min
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Damage threat: Considerable
Hail: 1.75 in
Wind: 60.0 mph

County Union Parish, LA

The radar

The Shreveport radar (KSHV), 144 km from the middle of the area, began a volume at 05:54 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, 5.9 hours before the alert went out and 135 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 24, 12:36 AM CDT, 16 minutes earlier.

Area forecast discussion, Mar 24, 12:36 AM CDT, 16 minutes before

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In the hours before

Special weather statement, Mar 23, 11:52 PM CDT, 1 hour before

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Local storm report, Mar 24, 12:06 AM CDT, 46 minutes before

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Special weather statement, Mar 24, 12:06 AM CDT, 46 minutes before

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Special weather statement, Mar 24, 12:13 AM CDT, 39 minutes before

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Local storm report, Mar 24, 12:35 AM CDT, 17 minutes before

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Special weather statement, Mar 24, 12:35 AM CDT, 17 minutes before

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<body>
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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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, 8:58 PM CDT	Severe Thunderstorm Warning	SHV	Bienville, Claiborne, Lincoln	47 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, 12:56 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.