A former tropical disturbance being watched by hurricane forecasters failed to form into a tropical depression before reaching the Louisiana coast, but it still threatens downpours and flash flooding as it marches inland on July 18,

A tropical disturbance in the Gulf is set to dump heavy rain in the South as the Northeast braces for more flooding. The tropical system in the Gulf has a 40% chance of developing into a tropical depression, and if it strengthens enough to a named storm, it would be dubbed Dexter.

The tropical development in the northern Gulf of Mexico this week is expected to be limited due to its close proximity to land, but it will still pose a danger for the millions who reside across the region.