Lower St. Bernard storm history

Ida's storm surge flooded areas outside the hurricane and storm damage risk reduction system levees. Along Hwy 46, the Florissant rock dam was overtopped by storm surge, flooding the communities of Delacroix, Yscloskey, Shell Beach, and Hopedale with up to 6-8 ft of water. Most s…

Ida's winds caused widespread damage to trees, power lines and poles, and some structures as well. Most structural damage was minor to moderate, consisting of shingle damage, carport damage or other fascia damage. A few homes suffered more serious damage from falling trees. 100% …

Zeta produced widespread wind damage throughout the parish with trees, power lines and power poles snapping in the wind. Several trees fell on homes and cars. A Weatherflow station near the border of St. Bernard and Orleans parishes on Bayou Bienvenue recorded a maximum sustained…

A few tropical storm force gusts were measured across the parish, but no significant impacts were reported.

Storm surge flooding impacts were limited to areas outside of the hurricane and storm damage risk reduction system levees. The Shell Beach (SHBL1) tide gauge measured a peak water level of 3.36 ft MHHW. The Bayou Dupree (BDML1) tide gauge measured a peak water level of 4.35 ft NA…

Delta produced minor coastal flooding as a result of storm surge. It also affected areas outside of the hurricane risk reduction system levees. The tide gauge at Shell Beach recorded a peak water level of 2.21 MHHW. The tide gauge at Grand Pass recorded a peak water level of 3.68…

USGS site GROL1 Grand pass measured minor to moderate inundation from storm surge of 4.13 feet NAVD88 on the 21st at 0330 CDT.

Impacts to portions of the parish were the result of storm surge and affected areas outside the HSDRRS Levees. Storm surge flooding overtopped ring levees in the Delacroix and Woodlake areas, resulting in one to two feet of inundation inside those leveed areas. The lower portion …

Occasional tropical storm force wind gusts were observed in the parish. A sustained 35 knot wind and a wind gust to 41 knots were noted at Shell Beach during the afternoon of the 12th. Storm total rainfall across the parish was estimated to be 2 to 4 inches except for the extreme…

Minor storm surge flooding occurred in areas outside of the Hurricane Risk Reduction System. Louisiana Highways 46 and 300 were both flooded with 6 to 12 inches of water. The NOS tide gauge at Shell Beach reported a maximum water level of 3.19 feet MHHW.

Minor coastal flooding occurred outside of the Hurricane Storm Damage Risk Reduction System resulted in a few roads becoming impassible near Shell Beach. The National Ocean Service gauge at Shell Beach measured 3.39 feet (MHHW) of storm surge.

Storm surge was generally 2 to 4.5 feet in lower St Bernard Parish. The NOAA-NOS gauge at Shell Beach reported a storm surge of 4.88 feet MHHW. Minor impacts were reported, generally to a few low lying roads outside the Federal Risk Reduction System in Yscloskey and Hopedale. No …

Lower end tropical storm force winds occurred over lower St Bernard Parish. A sustained wind of 34 knots (39 mph) and a gust to 40 knots (46 mph) was recorded at the Shell Beach CMAN station during early evening. No significant impacts were noted.

Frequent tropical storm force gusts and a few instances of sustained tropical storm force winds were reported at the Shell Beach C-Man station (SHBL1). There was a defined lull in the winds from around 1 am CST June 21 through 12 pm CST June 21. The highest gust reported by SHBL1…

The National Ocean Service gauge at Shell Beach reported a maximum water level of 4.8 ft MHHW, which was 6.07 ft above the predicted level. Tides were at least 1.5 feet above normal from 6/20 through 6/22 at this gauge. The elevated water levels resulted in moderate impacts to ar…

Tides of 2 to 3 feet above normal tide levels resulted in moderate flooding of low lying terrain and roadways outside of the hurricane protection levees.

Tides of 2 to 3 feet above normal tide levels resulted in moderate flooding of low lying terrain and roadways outside of the hurricane protection levees.

Flooding affected low lying areas outside the hurricane protection levee.

Roof blown off a house in Delacroix. Time is estimated.

Storm surge flooding of 5 to 7 ft above normal flooded low lying areas, roadways and property outside of the hurricane protection levees. The high water took several weeks to fully drain from some areas.

Hurricane Gustav affected about 30 homes in lower St. Bernard Parish with 2 homes receiving major damage and the remainder minor or very minor damage. A few businesses also received damage and several trees and utility poles were knocked down. The damage was caused by both the hi…

A number of structures mainly located outside of the levee system experienced flooding.