Hurricane (Typhoon) — St. Mary, Louisiana

2020-10-09 to 2020-10-10 · St. Mary, Louisiana

Event narrative

Wind gusts to hurricane force in the west portions of the parish caused damage to homes at Cypremort Point. Strong wind gusts in the east sections downed trees and power lines. Surge at Cypremort Point reached a height of 7.93 feet MHHW and 5.74 feet MHHW at Amerada Pass.

Wider weather episode

A tropical wave moved into the Caribbean in early October and became a tropical depression by the 5th. The system quickly gained strength and obtained category 4 status before shear weakened it back to a category 2. The hurricane weakened farther while over the Yucatan Peninsula, however after moving into the southern gulf and toward Louisiana it again obtained category 2 status. Delta made land fall on the 9th near where Hurricane Laura did just 6 weeks prior. Wind gusts around 100 mph, rainfall amounts of near 18 inches, and a storm surge of 5 to 10 feet was recorded with the hurricane as it worked inland.

Source: NOAA Storm Events Database, event_id 925968. Narrative written by the NWS forecast office that issued the report.