Tropical Storm Francine is expected to pass over Memphis, parts of West and Middle Tennessee. Here's what we know about the possible impact.

Potential Tropical Cyclone Six formed over the Gulf of Mexico, forecasters said Sunday night, prompting a tropical storm warning to be issued for southern Texas.

Because two systems churning in the Eastern and Central Tropical Atlantic have not yet developed, Dixon said it’s tough to say whether either would impact the Lowcountry. On Monday, one of the systems was an area of low pressure over the central tropical Atlantic with environmental conditions that were “marginally conducive” for development during the next few days.