CHARLOTTE, N.C. — A coastal low-pressure system off the Florida coast has a 10% chance of forming tropical or subtropical characteristics as it continues to move closer to the Carolina coast.

The low will interact with Saharan dust , which will help prevent tropical cyclone development.

Tropical lows are warm-core systems, meaning they draw their energy from the warm ocean waters below.

However, a subtropical low, in contrast, is a hybrid system that shares characteristics of both tropical and extratropical systems.

Subtropical lows are usually colder at the core and lack the well-defined warm center that fully tropical systems have.

Saharan dust impacts

Saharan dust, a seasonal weather feature, will be making its way into the Atlantic, arriving near the Carolina coast by Thursday.

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