Nicholas now a hurricane, rain and flooding threats in southeast Louisiana

Weather

Nicholas formed early Sunday morning and is now classified as a hurricane with 75 mile per hour. The system’s center has reformed multiple times over these past 24 hours.

This is going to continue slowly moving north through western Gulf of Mexico waters before making landfall shortly in Texas.

The system will move inland in eastern Texas before curving east towards southern Louisiana. The latest track brings it a bit more south, so closer to western Louisiana’s coastline.

The themes locally across WGNO’s viewing area will be increased tropical moisture and heightened rain along Nicholas’ center and east of wherever its center tracks onshore. It will quickly weaken over land and become a tropical depression before moving into Louisiana. Once approaching the Louisiana, Mississippi border, this is going to be a remnant low.

Where, specifically, it tracks at that point determines how much rain our parishes see. If this is more north between Jackson and McComb, rainfall amounts on the Northshore will likely be between 4-6+ inches. If this is more south, the biggest threat for rainfall and localized flash flooding will be further south. Brief-weak spin ups will be another concern Tuesday and Wednesday. A Flash Flood Watch is issued from Tuesday morning until Thursday morning for WGNO’s entire viewing area.

Overall, totals will likely be between 3-7+ inches in much of WGNO’s viewing area over these next 5 days with localized higher amounts possible. Rain chances stay consistent through much of the upcoming week, and many spots will see locally heavy downpours that could lead to localized flash flooding with traditional drainage systems covered by debris. This is going to keep highs in the 80s. Please have a way to receive warning information on hand. Tornadoes and river flooding are a concern, as well. Rain chances start to come down late Thursday into this weekend. We have more information on these impacts during Good Morning New Orleans.

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