Alert archive / Louisiana / Flash Flood Warnings in 2025

Flash Flood Warning 5, NWS Shreveport, LA

February 12, 2025Sabine County, San Augustine County, Shelby County, Texas; 4 parishes in Louisiana

NWS Shreveport, LA issued this flash flood warning at Feb 12, 2025, 12:14 PM CST for Sabine County, San Augustine County, Shelby County, Texas; 4 parishes in Louisiana. It was in force for 3 hr. 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 12, 2025, 12:14 PM CST (18:14 UTC)
Expired
Feb 12, 2025, 3:15 PM CST
In force
3 hr
Issued by
NWS Shreveport, LA
Area
Storm-based polygon
Flood severity
None

Counties De Soto Parish, LA, Natchitoches Parish, LA, Red River Parish, LA, Sabine Parish, LA, Sabine County, TX, San Augustine County, TX, Shelby County, TX

The radar

The Shreveport radar (KSHV), 84 km from the middle of the area, began a volume at 18:14 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

Lake Charles Mun, LA (KLCH), launched 12:00Z, 6.2 hours before the alert went out and 183 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, Lake Charles Mun, LA at 12:00Z on 2025-02-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 140 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, Lake Charles Mun, LA at 12:00Z on 2025-02-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 301 square meters per square second.1939587897117Sfc1 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
140 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
778 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
301 m²/s²
0-3 km storm-relative helicity
379 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.2

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 12, 3:11 AM CSTAreal Flood AdvisorySHVAngelina, Nacogdoches, Sabine, San Augustine, Shelby3 hr
Feb 12, 4:06 AM CSTSpecial Weather StatementSHVWood24 min
Feb 12, 5:57 AM CSTAreal Flood AdvisorySHVSabine3 hr
Feb 12, 6:48 AM CSTRiver Flood WarningSHVSabine, San Augustine37 hr
Feb 12, 8:12 AM CSTSpecial Weather StatementSHVCamp, Cass, Morris, Upshur, Wood33 min
Feb 12, 8:50 AM CSTAreal Flood AdvisorySHVBowie, Cass, Morris115 min
Feb 12, 9:52 AM CSTSpecial Weather StatementSHVGregg, Harrison, Marion23 min
Feb 12, 10:44 AM CSTFlash Flood Warning Considerable damage threatSHVHarrison, Panola3 hr
Feb 12, 11:33 AM CSTSpecial Weather StatementSHVDe Soto, Sabine27 min
Feb 12, 8:15 AM CSTSpecial Weather StatementSHVLafayette, Miller, Nevada45 min

Nearby

Flash Flood Warnings in Louisiana, 2025Flash Flood Warnings in Texas, 2025Every flash flood 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.