Louisiana, 2025

Flash Flood and Hail in Louisiana, May 28, 2025

May 28, 2025 · NWS LIX · 7 events in 5 counties and zones

A mid level disturbance embedded within southwest flow aloft created an environment of increased buoyancy. Ample instability was already in place across the region due to typical early summer heat and increased low level moisture.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
7

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS LIX wrote it up.

A mid level disturbance embedded within southwest flow aloft created an environment of increased buoyancy. Ample instability was already in place across the region due to typical early summer heat and increased low level moisture. A mix of severe and heavy rain impacts occurred as storms developed across the region.

What forecasters said that day

The local office's own words before the first event, 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 the first event at May 27, 5:46 PM CST, 19 hours 56 minutes earlier.

Area forecast discussion, May 27, 5:46 PM CST, 19 hours 56 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>

The radar

The Hammond radar (KHDC), 35 km away, was scanning. The volume nearest the first event began at 19:44 UTC.

Open the radar archive at this moment

Event by event

4 thunderstorm wind, 2 hail, 1 flash flood. Local standard time, as filed.

Hail, Livingston

When
May 28, 1:42 PM CST
Where
Livingston County, 1.83 mi NW of Maurepas
Measured
1 in hail
Reported by
Public
Coordinates
30.320, -90.690

Quarter sized hail reported north of Whitehall.

Hail, Livingston

When
May 28, 1:58 PM CST
Where
Livingston County, 0.6 mi W of Frost
Measured
1 in hail
Reported by
Broadcast Media
Coordinates
30.400, -90.740

Video relayed by broadcast media via social media of hail estimated to be quarter size in Frost, LA.

Flash Flood, Orleans

When
May 28, 2:30 PM CST to 4:30 PM CST
Where
Orleans County, 1.51 mi NNE of Vieux Carre to 1.47 mi NNE of Vieux Carre
Cause
Heavy Rain
Reported by
Emergency Manager
Coordinates
29.990, -90.070

An underpass gauge along Broad Street just south of I-610 measured approximately 2 feet of water depth from heavy rainfall.

Thunderstorm Wind, East Feliciana

When
May 28, 3:22 PM CST
Where
East Feliciana County, 0.91 mi SE of Wilson
Measured
50 kt (58 mph) estimated gust
Reported by
Law Enforcement
Coordinates
30.910, -91.120

Law enforcement report of a tree down on HWY 19 near HWY 68.

Thunderstorm Wind, East Feliciana

When
May 28, 3:27 PM CST
Where
East Feliciana County, 0.91 mi NE of Wilson
Measured
50 kt (58 mph) estimated gust
Reported by
Law Enforcement
Coordinates
30.930, -91.120

Law enforcement report of a tree down on Grant Street in Wilson.

Thunderstorm Wind, Tangipahoa

When
May 28, 3:27 PM CST
Where
Tangipahoa County, 1.37 mi ENE of Greenlaw
Measured
50 kt (58 mph) estimated gust
Reported by
Law Enforcement
Coordinates
30.980, -90.480

Law enforcement report of a tree down on HWY 1055/1054 near Kentwood.

Thunderstorm Wind, Pointe Coupee

When
May 28, 3:39 PM CST
Where
Pointe Coupee County, 1.19 mi W of Innis
Measured
50 kt (58 mph) estimated gust
Reported by
Law Enforcement
Coordinates
30.870, -91.700

Law enforcement report of a tree down on HWY 418.

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Flash Flood
Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.
Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Louisiana in 2025Every state in 2025This day in weather historyWarnings in Louisiana, May 2025

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 1260599, 1260601, 1260603, 1260604, 1260605, 1260606, 1260608.