Louisiana, 2023

Drought in Louisiana, September 1 to 30, 2023

September 1 to 30, 2023 · NWS LIX · 36 events in 36 counties and zones

With ridging sitting over the area for the better part of September, all of southeast Louisiana and southern Mississippi saw significantly less rainfall than usual for September. This lead to continuation of drought conditions during the whole month of September.

Where it happened

Every event with a place to put it; 28 filed by county or forecast zone are drawn at its center, in a lighter ring. 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: 36

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.

With ridging sitting over the area for the better part of September, all of southeast Louisiana and southern Mississippi saw significantly less rainfall than usual for September. This lead to continuation of drought conditions during the whole month of September.

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 31, 10:49 PM CST, 1 hour 11 minutes earlier.

Area forecast discussion, Aug 31, 10:49 PM CST, 1 hour 11 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

36 drought. Local standard time, as filed.

Drought, Assumption

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: Assumption forecast zone
Reported by: Drought Monitor
Coordinates: 29.901, -91.063 (the zone’s center; the record gives no point)

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, Central Plaquemines Parish

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: Central Plaquemines Parish forecast zone
Reported by: Drought Monitor
Coordinates: 29.544, -89.820 (the zone’s center; the record gives no point)

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, Central Tangipahoa Parish

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: Central Tangipahoa Parish forecast zone
Reported by: Drought Monitor
Coordinates: 30.627, -90.406 (the zone’s center; the record gives no point)

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, Coastal Jefferson Parish

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: Coastal Jefferson Parish forecast zone
Reported by: Drought Monitor

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, East Baton Rouge

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: East Baton Rouge forecast zone
Reported by: Drought Monitor
Coordinates: 30.538, -91.096 (the zone’s center; the record gives no point)

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, East Feliciana

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: East Feliciana forecast zone
Reported by: Drought Monitor
Coordinates: 30.845, -91.045 (the zone’s center; the record gives no point)

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, Eastern Ascension Parish

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: Eastern Ascension Parish forecast zone
Reported by: Drought Monitor
Coordinates: 30.204, -90.911 (the zone’s center; the record gives no point)

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, Eastern Orleans Parish

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: Eastern Orleans Parish forecast zone
Reported by: Drought Monitor
Coordinates: 30.069, -89.928 (the zone’s center; the record gives no point)

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, Iberville

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: Iberville forecast zone
Reported by: Drought Monitor
Coordinates: 30.259, -91.349 (the zone’s center; the record gives no point)

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, Lower Jefferson Parish

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: Lower Jefferson Parish forecast zone
Reported by: Drought Monitor

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, Lower Lafourche

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: Lower Lafourche forecast zone
Reported by: Drought Monitor

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, Lower Plaquemines

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: Lower Plaquemines forecast zone
Reported by: Drought Monitor

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, Lower St. Bernard Parish

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: Lower St. Bernard Parish forecast zone
Reported by: Drought Monitor
Coordinates: 29.874, -89.824 (the zone’s center; the record gives no point)

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, Lower Tangipahoa Parish

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: Lower Tangipahoa Parish forecast zone
Reported by: Drought Monitor
Coordinates: 30.627, -90.406 (the zone’s center; the record gives no point)

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, Lower Terrebonne

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: Lower Terrebonne forecast zone
Reported by: Drought Monitor

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, Northern Livingston Parish

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: Northern Livingston Parish forecast zone
Reported by: Drought Monitor
Coordinates: 30.440, -90.728 (the zone’s center; the record gives no point)

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, Northern St. Tammany Parish

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: Northern St. Tammany Parish forecast zone
Reported by: Drought Monitor
Coordinates: 30.409, -89.954 (the zone’s center; the record gives no point)

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, Northern Tangipahoa

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: Northern Tangipahoa forecast zone
Reported by: Drought Monitor
Coordinates: 30.627, -90.406 (the zone’s center; the record gives no point)

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, Pointe Coupee

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: Pointe Coupee forecast zone
Reported by: Drought Monitor
Coordinates: 30.709, -91.601 (the zone’s center; the record gives no point)

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, Southeast St. Tammany Parish

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: Southeast St. Tammany Parish forecast zone
Reported by: Drought Monitor
Coordinates: 30.409, -89.954 (the zone’s center; the record gives no point)

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, Southern Livingston Parish

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: Southern Livingston Parish forecast zone
Reported by: Drought Monitor
Coordinates: 30.440, -90.728 (the zone’s center; the record gives no point)

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, Southwestern St. Tammany Parish

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: Southwestern St. Tammany Parish forecast zone
Reported by: Drought Monitor
Coordinates: 30.409, -89.954 (the zone’s center; the record gives no point)

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, St. Charles

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: St. Charles forecast zone
Reported by: Drought Monitor

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, St. Helena

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: St. Helena forecast zone
Reported by: Drought Monitor
Coordinates: 30.822, -90.710 (the zone’s center; the record gives no point)

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, St. James

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: St. James forecast zone
Reported by: Drought Monitor
Coordinates: 30.026, -90.796 (the zone’s center; the record gives no point)

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, St. John the Baptist

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: St. John the Baptist forecast zone
Reported by: Drought Monitor
Coordinates: 30.127, -90.471 (the zone’s center; the record gives no point)

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, Upper Jefferson Parish

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: Upper Jefferson Parish forecast zone
Reported by: Drought Monitor
Coordinates: 29.681, -90.098 (the zone’s center; the record gives no point)

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, Upper Lafourche

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: Upper Lafourche forecast zone
Reported by: Drought Monitor

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, Upper Plaquemines Parish

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: Upper Plaquemines Parish forecast zone
Reported by: Drought Monitor
Coordinates: 29.544, -89.820 (the zone’s center; the record gives no point)

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, Upper St. Bernard Parish

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: Upper St. Bernard Parish forecast zone
Reported by: Drought Monitor
Coordinates: 29.874, -89.824 (the zone’s center; the record gives no point)

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, Upper Terrebonne

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: Upper Terrebonne forecast zone
Reported by: Drought Monitor

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, Washington

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: Washington forecast zone
Reported by: Drought Monitor
Coordinates: 30.853, -90.040 (the zone’s center; the record gives no point)

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, West Baton Rouge

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: West Baton Rouge forecast zone
Reported by: Drought Monitor
Coordinates: 30.463, -91.313 (the zone’s center; the record gives no point)

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, West Feliciana

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: West Feliciana forecast zone
Reported by: Drought Monitor
Coordinates: 30.880, -91.420 (the zone’s center; the record gives no point)

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, Western Ascension Parish

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: Western Ascension Parish forecast zone
Reported by: Drought Monitor
Coordinates: 30.204, -90.911 (the zone’s center; the record gives no point)

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

Drought, Western Orleans Parish

When: September 1, 12:00 AM CST to September 30, 11:59 PM CST
Where: Western Orleans Parish forecast zone
Reported by: Drought Monitor
Coordinates: 30.069, -89.928 (the zone’s center; the record gives no point)

Portions of the zone was under D2 to D4 drought due to minimal rainfall.

What these are

Drought: A drought reaching severe (D2) or worse on the US Drought Monitor, or with notable impacts.

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

The same day elsewhere

More

Every storm in Louisiana in 2023 Every state in 2023 This day in weather history Warnings in Louisiana, September 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 2026-10-01. Each event’s entry at NCEI: 1142844, 1142845, 1142846, 1142847, 1142848, 1142849, 1142850, 1142851, 1142852, 1142853, 1142854, 1142855, 1142856, 1142857, 1142859, 1142860, 1142861, 1142862, 1142863, 1142864, 1142865, 1142867, 1142868, 1142869, 1142870, 1142872, 1142873, 1142874, 1142875, 1142876, 1142878, 1142879, 1142880, 1142881, 1142882, 1142883.