Latest coverage on the tropics Systems in the tropics are very active, and the National Hurricane Center is monitoring multiple developments in the Atlantic Ocean. Sign up for our NewslettersTropical Depression Twelve — Eastern and Central Tropical AtlanticThe NHC said Invest 90-L has been upgraded to Tropical Depression Twelve.

A disturbance in the far east Atlantic Ocean, known as Invest 94L, is being monitored by the National Hurricane Center and now has a 50% chance of further development.