Forecasters say tropical cyclone activity in the Atlantic basin neared historic lows in September. Now, meteorologists are monitoring an area of the Southwestern Gulf for possible storm development.

A developing Gulf system could bring impacts to Louisiana as early as Friday night, with forecasters watching the potential for Invest 92L to strengthen into a tropical storm or hurricane later this week.

Tropical system given 90 percent chance to form into named storm Isaias

Invest 92 L forms in the southwest Gulf.

A developing Gulf system could bring impacts to Louisiana as early as Friday night, with forecasters watching the potential for Invest 92L to strengthen into a tropical storm or hurricane later this week.

Tropical system given 90 percent chance to form into named storm Isaias

Invest 92 L forms in the southwest Gulf.

Tropical development in the Gulf is possible late in the week

Hanna forms, posing no threat to the United States