Alert archive / Louisiana / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 355, NWS Shreveport, LA

July 7, 2025Union Parish, Louisiana; Union County, Arkansas

NWS Shreveport, LA issued this severe thunderstorm warning at Jul 7, 2025, 2:45 PM CDT for Union Parish, Louisiana; Union County, Arkansas. 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
Jul 7, 2025, 2:45 PM CDT (19:45 UTC)
Expired
Jul 7, 2025, 3:30 PM CDT
In force
45 min
Issued by
NWS Shreveport, LA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Union County, AR, Union Parish, LA

The radar

The Shreveport radar (KSHV), 141 km from the middle of the area, began a volume at 19:46 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

Little Rock, AR (KLZK), launched 12:00Z, 7.8 hours before the alert went out and 310 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-pSkew-T log-p diagram, Little Rock, AR at 12:00Z on 2025-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1408 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 12:00Z on 2025-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
1408 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
1149 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
31 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 7:47 PM CDTSpecial Weather StatementSHVSabine58 min
Jul 7, 5:29 PM CDTAreal Flood AdvisorySHVCass3 hr
Jul 7, 2:01 PM CDTSpecial Weather StatementSHVLincoln29 min
Jul 7, 2:17 PM CDTSpecial Weather StatementSHVMorehouse28 min
Jul 7, 2:31 PM CDTSpecial Weather StatementSHVLincoln29 min
Jul 7, 3:49 PM CDTSpecial Weather StatementSHVWebster26 min
Jul 7, 4:34 PM CDTSpecial Weather StatementSHVWebster56 min
Jul 7, 4:39 PM CDTSpecial Weather StatementSHVBossier66 min
Jul 7, 5:31 PM CDTAreal Flood AdvisorySHVBossier, Caddo3 hr
Jul 7, 5:40 PM CDTSpecial Weather StatementSHVBossier65 min
Jul 7, 6:10 PM CDTAreal Flood AdvisorySHVCaddo3 hr
Jul 7, 6:23 PM CDTSpecial Weather StatementSHVSabine67 min
Jul 6, 7:32 PM CDTSpecial Weather StatementSHVMiller58 min
Jul 7, 2:06 PM CDTSpecial Weather StatementSHVUnion24 min
Jul 7, 2:30 PM CDTSpecial Weather StatementSHVUnion30 min
Jul 7, 2:33 PM CDTSpecial Weather StatementSHVUnion27 min
Jul 7, 2:59 PM CDTSpecial Weather StatementSHVColumbia31 min
Jul 7, 3:10 PM CDTSpecial Weather StatementSHVUnion35 min
Jul 7, 4:36 PM CDTSpecial Weather StatementSHVMiller54 min
Jul 7, 5:06 PM CDTSpecial Weather StatementSHVLittle River54 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2025Severe Thunderstorm Warnings in Arkansas, 2025Every 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.