Alert archive / Mississippi / Flash Flood Warnings in 2026

Flash Flood Warning 42, NWS New Orleans, LA

May 25, 2026Pearl River County, Mississippi

NWS New Orleans, LA issued this flash flood warning at May 25, 2026, 2:17 PM CDT for Pearl River County, Mississippi. It was in force for 2 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: May 25, 2026, 2:17 PM CDT (19:17 UTC)
Expired: May 25, 2026, 4:33 PM CDT
In force: 2 hr
Issued by: NWS New Orleans, LA
Area: Storm-based polygon
Flood severity: None

County Pearl River County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 7.3 hours before the alert went out and 59 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: 476 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 635 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 89 m²/s²
0-3 km storm-relative helicity: 164 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 May 25, 12:50 PM CDT, 1 hour 27 minutes earlier.

Area forecast discussion, May 25, 12:50 PM CDT, 1 hour 27 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, May 25, 10:11 AM CDT, 4 hours 6 minutes before

Preliminary Local Storm Report
National Weather Service New Orleans LA
1011 AM CDT Mon May 25 2026

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

1011 AM     Flash Flood      4 SW East New Orleans   30.01N 89.97W
05/25/2026                   Orleans            LA   Public

            Street flooding along Old Gentilly Rd
            according to Streetwise NOLA.

&&

JZ

Local storm report, May 25, 11:06 AM CDT, 3 hours 11 minutes before

Preliminary Local Storm Report
National Weather Service New Orleans LA
1106 AM CDT Mon May 25 2026

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

1035 AM     Marine Tstm Wind 77 S Venice             28.17N 89.23W
05/25/2026  M54 MPH          GMZ572             LA   AWOS

            AWOS station KCYD Miss Canyon 807 recorded a
            wind gust of 54mph or 47kt.

&&

JZ

Local storm report, May 25, 11:21 AM CDT, 2 hours 56 minutes before

Preliminary Local Storm Report
National Weather Service New Orleans LA
1121 AM CDT Mon May 25 2026

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

1055 AM     Marine Tstm Wind 76 SSE Venice           28.23N 88.99W
05/25/2026  M70 MPH          GMZ575             LA   AWOS

            AWOS station KGLX Mississippi Canyon 724
            measured a peak wind gust of 70mph or 61kt.

&&

JZ

Local storm report, May 25, 12:24 PM CDT, 1 hour 53 minutes before

Preliminary Local Storm Report
National Weather Service New Orleans LA
1224 PM CDT Mon May 25 2026

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

1223 PM     Flash Flood      3 NE Kiln               30.45N 89.41W
05/25/2026                   Hancock            MS   Law Enforcement

            Portions of Firetower Rd and Old Joe Moran
            Rd impassable due to flash flooding with
            barricades blocking the road.

&&

JZ

Local storm report, May 25, 12:30 PM CDT, 1 hour 47 minutes before

Preliminary Local Storm Report
National Weather Service New Orleans LA
1230 PM CDT Mon May 25 2026

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

1229 PM     Flash Flood      3 WNW Kiln              30.43N 89.48W
05/25/2026                   Hancock            MS   Law Enforcement

            Multiple portions of Kiln-Picayune Rd
            impassable with barricades blocking them per
            Hancock County SO.

&&

JZ

Local storm report, May 25, 12:32 PM CDT, 1 hour 45 minutes before

Preliminary Local Storm Report
National Weather Service New Orleans LA
1232 PM CDT Mon May 25 2026

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

1232 PM     Flash Flood      9 E Picayune            30.53N 89.52W
05/25/2026                   Hancock            MS   Law Enforcement

            Multiple sections of Rester Rd near Kiln is
            impassable with barricades blocking it per
            Hancock County SO.

&&

JZ

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 6:27 AM CDT	Special Weather Statement	LIX	Lafourche	63 min
May 25, 6:36 AM CDT	Special Marine Warning	LIX		54 min
May 25, 7:17 AM CDT	Special Weather Statement	LIX	Terrebonne	28 min
May 25, 7:24 AM CDT	Special Marine Warning	LIX		96 min
May 25, 7:37 AM CDT	Special Marine Warning	LIX		83 min
May 25, 7:44 AM CDT	Special Weather Statement	LIX	Jefferson	31 min
May 25, 8:27 AM CDT	Special Weather Statement	LIX	Jefferson	48 min
May 25, 8:41 AM CDT	Areal Flood Advisory	LIX	Jefferson, Orleans, Saint Bernard	3 hr
May 25, 8:59 AM CDT	Special Marine Warning	LIX		61 min
May 25, 9:05 AM CDT	Special Weather Statement	LIX	Orleans	55 min
May 25, 9:28 AM CDT	Flash Flood Warning	LIX	Jefferson, Orleans, Saint Bernard	3 hr
May 25, 9:53 AM CDT	Special Marine Warning	LIX		86 min
May 25, 10:35 AM CDT	Areal Flood Advisory	LIX	Saint Tammany	3 hr
May 25, 10:55 AM CDT	Areal Flood Advisory	LIX	Saint Tammany	3 hr
May 25, 11:18 AM CDT	Special Marine Warning	LIX		87 min
May 25, 12:09 PM CDT	Special Marine Warning	LIX		77 min
May 25, 1:06 PM CDT	River Flood Warning	LIX	Saint Tammany	7 days
May 25, 1:13 PM CDT	Flood Watch	LIX	Jefferson, Orleans, Plaquemines, Saint Bernard, Saint Charles, Saint Tammany and 1 more	30 hr
May 25, 1:13 PM CDT	Areal Flood Advisory	LIX	Saint Tammany	66 min
May 25, 3:34 PM CDT	Special Marine Warning	LIX		31 min
May 25, 5:58 AM CDT	Special Weather Statement	LIX	Hancock, Pearl River	47 min
May 25, 6:33 AM CDT	Areal Flood Advisory	LIX	Hancock, Harrison, Pearl River	3 hr
May 25, 6:50 AM CDT	Special Weather Statement	LIX	Harrison	25 min
May 25, 9:45 AM CDT	River Flood Warning	LIX	Pearl River	69 hr
May 25, 10:17 AM CDT	Areal Flood Advisory	LIX	Hancock, Harrison	16 min
May 25, 10:33 AM CDT	Flash Flood Warning	LIX	Hancock, Harrison	6 hr
May 25, 11:52 AM CDT	Areal Flood Advisory	LIX	Hancock, Pearl River	45 min
May 25, 12:37 PM CDT	Flash Flood Warning	LIX	Hancock, Pearl River	4 hr
May 25, 1:10 PM CDT	Areal Flood Advisory	LIX	Pearl River	67 min
May 25, 2:19 PM CDT	Flash Flood Warning	LIX	Hancock, Pearl River	2 hr
May 25, 4:31 PM CDT	Areal Flood Advisory	LIX	Hancock, Harrison	105 min
May 25, 4:32 PM CDT	Areal Flood Advisory	LIX	Hancock, Pearl River	105 min
May 25, 4:33 PM CDT	Areal Flood Advisory	LIX	Pearl River	105 min
May 25, 4:34 PM CDT	Areal Flood Advisory	LIX	Hancock, Pearl River	105 min
May 25, 4:44 PM CDT	River Flood Warning	LIX	Harrison	17 hr

Nearby

Flash Flood Warnings in Mississippi, 2026 Every 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.