Alert archive / Louisiana / Flash Flood Warnings in 2026

Flash Flood Warning 15, NWS New Orleans, LA

March 8, 2026East Baton Rouge Parish, Iberville Parish, West Baton Rouge Parish, Louisiana

NWS New Orleans, LA issued this flash flood warning at Mar 8, 2026, 12:25 AM CST for East Baton Rouge Parish, Iberville Parish, West Baton Rouge Parish, Louisiana. It was in force for 97 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 8, 2026, 12:25 AM CST (06:25 UTC)
Expired
Mar 8, 2026, 3:02 AM CDT
In force
97 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Flood severity
None

Counties East Baton Rouge Parish, LA, Iberville Parish, LA, West Baton Rouge Parish, LA

The radar

The Hammond radar (KHDC), 82 km from the middle of the area, began a volume at 06:28 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

Slidell Radar S, LA (KSIL), launched 00:00Z, 6.4 hours before the alert went out and 150 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, Slidell Radar S, LA at 00:00Z on 2026-03-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2281 joules per kilogram.LCLEL10008507005003002001001 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, Slidell Radar S, LA at 00:00Z on 2026-03-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 130 square meters per square second.193958Sfc1 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
2281 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
543 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
130 m²/s²
0-3 km storm-relative helicity
157 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 flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS New Orleans, LA wrote its last area forecast discussion before this flash flood warning went out at Mar 7, 11:56 PM CST, 29 minutes earlier.

Area forecast discussion, Mar 7, 11:56 PM CST, 29 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

In the hours before

Local storm report, Mar 7, 9:16 PM CST, 3 hours 9 minutes before
Preliminary Local Storm Report
National Weather Service New Orleans LA
916 PM CST Sat Mar 7 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0819 PM     Flash Flood      2 SW Liberty            31.14N 90.83W
03/07/2026                   Amite              MS   Law Enforcement

            Law enforcement in Amite County MS report
            Highway 569 near Liberty is closed due to
            flooding.

&&

MSW
Local storm report, Mar 7, 9:39 PM CST, 2 hours 46 minutes before
Preliminary Local Storm Report
National Weather Service New Orleans LA
939 PM CST Sat Mar 7 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0915 PM     Flash Flood      2 N Roseland            30.79N 90.52W
03/07/2026                   Tangipahoa         LA   Law Enforcement

            Sheriffs Office in Tangipahoa Parish reports
            road closure on Arcola Road.

&&

MSW
Local storm report, Mar 7, 9:40 PM CST, 2 hours 45 minutes before
Preliminary Local Storm Report
National Weather Service New Orleans LA
940 PM CST Sat Mar 7 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0915 PM     Flash Flood      4 ESE Tangipahoa        30.85N 90.45W
03/07/2026                   Tangipahoa         LA   Law Enforcement

            Sheriffs Office in Tangipahoa Parish reports
            road closure on 1058.

&&

MSW
Local storm report, Mar 7, 9:42 PM CST, 2 hours 43 minutes before
Preliminary Local Storm Report
National Weather Service New Orleans LA
942 PM CST Sat Mar 7 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0915 PM     Flash Flood      1 NE Roseland           30.78N 90.50W
03/07/2026                   Tangipahoa         LA   Law Enforcement

            Sheriffs Office in Tangipahoa Parish reports
            road closure on LA10.

&&

MSW
Local storm report, Mar 7, 9:46 PM CST, 2 hours 39 minutes before
Preliminary Local Storm Report
National Weather Service New Orleans LA
946 PM CST Sat Mar 7 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0800 PM     Flash Flood      5 ESE Woodville         31.09N 91.22W
03/07/2026                   Wilkinson          MS   Law Enforcement

            Sheriffs Office reports 3-6 inches of water
            on several county roads in Wilkinson County.

&&

MSW
Local storm report, Mar 7, 10:50 PM CST, 1 hour 35 minutes before
Preliminary Local Storm Report
National Weather Service New Orleans LA
1050 PM CST Sat Mar 7 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1050 PM     Flash Flood      3 SW Baton Rouge        30.42N 91.15W
03/07/2026                   East Baton Rouge   LA   Dept of Highways

            Social Media reports from DOT that LA 427
            South at South Acadian Throughway is closed
            due to flooding.

&&

MSW

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 7, 6:15 PM CSTFlash Flood WarningLIXEast Feliciana, West Feliciana7 hr
Mar 7, 7:50 PM CSTSpecial Weather StatementLIXPointe Coupee25 min
Mar 7, 7:54 PM CSTSpecial Weather StatementLIXSaint Helena51 min
Mar 7, 8:33 PM CSTSpecial Weather StatementLIXEast Feliciana27 min
Mar 7, 8:47 PM CSTFlash Flood WarningLIXEast Baton Rouge, West Baton Rouge4 hr
Mar 7, 8:54 PM CSTFlash Flood WarningLIXTangipahoa4 hr
Mar 7, 9:35 PM CSTFlash Flood WarningLIXTangipahoa, Washington3 hr
Mar 7, 11:10 PM CSTFlash Flood WarningLIXEast Baton Rouge, Livingston2 hr
Mar 7, 11:12 PM CSTFlash Flood WarningLIXSaint Tammany2 hr
Mar 8, 3:33 AM CDTAreal Flood AdvisoryLIXJefferson, Orleans, Saint Bernard, Saint Charles117 min
Mar 8, 7:44 AM CDTAreal Flood AdvisoryLIXEast Baton Rouge, Iberville, Livingston, West Baton Rouge5 hr
Mar 8, 8:50 AM CDTRiver Flood WarningLIXTangipahoa3 days
Mar 8, 11:39 AM CDTDense Fog AdvisoryLIXAscension, Assumption, East Baton Rouge, East Feliciana, Iberville, Jefferson and 13 more21 hr
Mar 8, 11:41 AM CDTMarine Dense Fog AdvisoryLIX24 hr
Mar 7, 6:26 PM CSTSpecial Weather StatementLIXAmite49 min
Mar 7, 8:13 PM CSTFlash Flood WarningLIXAmite, Pike, Walthall3 hr

Nearby

Flash Flood Warnings in Louisiana, 2026Every flash flood warning in 2026

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.