Louisiana, 2023

Hail and Damaging Winds in Louisiana, August 27, 2023

August 27, 2023 · NWS LIX · 5 events in 2 counties and zones

A typical summertime convective regime was in place for the 27th. However, the air was slightly cooler aloft and that helped promote hail in the strongest storms across southeast Louisiana along with a damaging wind threat.

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
$4,000
Crop damage
None recorded
Events
5

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 typical summertime convective regime was in place for the 27th. However, the air was slightly cooler aloft and that helped promote hail in the strongest storms across southeast Louisiana along with a damaging wind threat.

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 Aug 27, 12:16 PM CST, 59 minutes earlier.

Area forecast discussion, Aug 27, 12:16 PM CST, 59 minutes before
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In the hours before

Special weather statement, Aug 27, 12:40 PM CST, 35 minutes before
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Special weather statement, Aug 27, 1:05 PM CST, 10 minutes before
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Special weather statement, Aug 27, 1:06 PM CST, 9 minutes before
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The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

3 hail, 2 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Tangipahoa

When
August 27, 1:15 PM CST
Where
Tangipahoa County, Hammond Muni Arpt
Measured
51 kt (59 mph) measured gust
Reported by
AWOS
Coordinates
30.520, -90.420

AWOS station KHDC Hammond recorded a wind gust of 59 mph or 51 knots.

Thunderstorm Wind, Tangipahoa

When
August 27, 2:00 PM CST
Where
Tangipahoa County, 0.91 mi NE of Hammond
Measured
52 kt (60 mph) estimated gust
Property damage
$4,000
Reported by
Trained Spotter
Coordinates
30.510, -90.460

Trained spotter reports trees down and damage to a home in the city of Hammond.

Hail, St. Tammany

When
August 27, 3:21 PM CST
Where
St. Tammany County, 2.26 mi NE of Oaklawn
Measured
1.5 in hail
Reported by
Other Federal Agency
Coordinates
30.320, -89.890

Picture of hail near Ping Pong ball size near Lacombe.

Hail, St. Tammany

When
August 27, 3:30 PM CST
Where
St. Tammany County, 3.06 mi ENE of Lacombe
Measured
1.75 in hail
Reported by
Trained Spotter
Coordinates
30.330, -89.880

Another spotter driving on I-12 towards Slidell reported quarter to golf ball size hail along the interstate.

Hail, St. Tammany

When
August 27, 3:31 PM CST
Where
St. Tammany County, 1.51 mi NNE of Lacombe
Measured
1.75 in hail
Reported by
Trained Spotter
Coordinates
30.340, -89.920

Hail near golfball size reported in Lacombe near hwy 434 and I-12.

What these are

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.
Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

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

The same day elsewhere

More

Every storm in Louisiana in 2023Every state in 2023This day in weather historyWarnings in Louisiana, August 2023

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 2026-09-30. Each event’s entry at NCEI: 1137246, 1137245, 1137241, 1137242, 1137244.