Looking Back at Hurricane Andrew… The Louisiana Landfall… Tuesday Update 10:30pm #alwx

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On August 24, 1992, Hurricane Andrew devastated south Florida as a category 5 hurricane. There’s a blog post on the Florida landfall of Hurricane Andrew a few posts back… Many people forgot about the second landfall of Hurricane Andrew across the Louisiana coastline, as a major hurricane. Here’s a great post from NOAA on the Louisiana landfall: 

After hitting Florida, Andrew moved across the Gulf of Mexico and made landfall about 23 miles west-southwest of Morgan City in south-central Louisiana; at landfall, the maximum sustained winds were 115 mph. As it moved ashore, the hurricane produced storm tides of at least 8ft, causing flooding along the coast from Vermilion Bay to Lake Borgne. River flooding was also reported, with the Tangipahoa River in Robert cresting at 3.8ft above flood stage. Before making landfall, Andrew spawned an F3 tornado in Laplace, which killed two people and injuring 32. The tornado was on the ground for about 10 minutes, during which it damaged or destroyed 163 structures, leaving 60 families homeless. Collectively, 14 tornadoes were reported in the parishes of Ascension, Iberville, Pointe Coupee, and Avoyelles, as well as in Baton Rouge. Heavy rains accompanied the storm’s passage through the state, peaking at 11.02 inches in Robert. Elsewhere in the state, 9 fatalities and at least 75 injuries were reported. Offshore Louisiana, a group of six fishermen from Alabama perished due to drowning.

Along the Louisiana coastline, damage largely resembled that of a Category 2 hurricane. Damage was heaviest in St. Mary Parish, about 32 miles east of where Andrew made landfall. Hurricane-force winds damaged roofs, although most homes fared well during the storm, with the main exception being large trees falling onto houses. In Cypremort Point State Park, where winds were estimated at 90 mph, several mobile homes were destroyed. Houses in the Morgan City, Patterson, and Berwick areas suffered minor damage, mainly limited to shingles being torn off; some large trees fell, causing severe damage to mobile homes. Similar damage was experienced further north in St. Mary Parish, in the towns of Franklin, Charenton, and Jeanerette, where mobile homes were toppled and debris from homes were scattered. At Port Fourchon, power lines were knocked down and a restaurant was unroofed, where winds were estimated to be between 80 and 85 mph. Damage was lighter in Jefferson Parish, where damage to mobile homes was reported and shingles were blown off, due to winds between 60 and 65 mph. The levee in the parish remained untouched. Across the state, the hurricane damaged 23,000 homes and destroyed 985 homes and 1,951 mobile homes; private property damage was estimated at $1 billion. The high winds destroyed large areas of sugar and soybean crops, estimated at $289 million in damage. During the storm’s passage, upwelling occurred in the Atchafalaya Basin and Bayou Lafourche, killing 187 million freshwater fish. Damage to the fishing industry was estimated at $266 million. Overall, losses in the state of Louisiana reached approximately $1.56 billion.

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Richard Scott

WVUA Chief Meteorologist

rscott@wvuatv.com

Twitter: Richard_wvua

Source: NOAA

 

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