Marine Tropical Storm — Lake Ponchartrain and Lake Maurepas, Gulf of Mexico

2024-09-11 · Lake Ponchartrain and Lake Maurepas, Gulf of Mexico

Event narrative

KNEW measured a 44 mph sustained wind.

Wider weather episode

Hurricane Francine formed as a tropical storm in the Gulf of Mexico on September 9, 2024, and intensified into a Category 2 hurricane before making landfall near Houma, Louisiana, on the morning of September 11. With sustained winds of 100 mph and gusts peaking at 105 mph, Francine brought widespread damage to southeastern Louisiana and southern Mississippi. A storm surge of 6-9 feet inundated low-lying coastal areas, while torrential rainfall of 10-15 inches caused significant flash flooding, including in the New Orleans metro area. Over 400,000 residents experienced power outages, and extensive wind damage was reported, with numerous trees and powerlines downed.

Source: NOAA Storm Events Database, event_id 1218705. Narrative written by the NWS forecast office that issued the report.