Bertha

The story so far

As of July 21, 2026

This is a Gulf Coast storm saga centered on Tropical Storm Bertha, a water‑heavy system now concentrating impacts from southeast Louisiana toward the upper Texas coast, where slow‑moving tropical weather can turn roads and neighborhoods into flood zones. The principal actors are the National Hurricane Center, state and parish emergency managers, and coastal residents in low‑lying, surge‑prone areas.

Bertha formed in the Gulf with top winds near 60 mph and, as risk grew, storm surge watches were expanded from Florida to Louisiana. It then made landfall in Louisiana’s St. Bernard Parish with maximum sustained winds around 45 mph, with water rather than wind the main hazard. Florida warnings were later dropped as the center shifted west.

The turn that now governs outcomes is the storm’s slowdown along the Louisiana coast. A reduced forward speed is keeping rain bands parked over the same communities and leaving onshore flow and dangerous surf in place, raising the odds of flash flooding from southeast Louisiana westward and prolonging pockets of coastal inundation. Beaches have been closed, sandbags stacked, and flood pumps staffed as canals are lowered to make room for runoff.

What remains unresolved is where the heaviest rain trains and how long the center lingers as it slides toward the upper Texas coast. Small wobbles decide which bay systems collect surge and which parishes or counties sit under repeated bands. That placement will set the difference between manageable street flooding and more serious inundation in the lowest ground.