Tropical Depression #4 forms in the Atlantic
Wed, 24 Jul 2013 10:00:17 GMT —
The National Hurricane Center has upgraded a disturbance off of the coast of Africa to a Tropical Depression.
TD #4 has winds of 35mph and is moving WNW at 20mph.
Strengthening is forecast to be slow over the next few days, but if it does strengthen it would become Tropical Storm Dorian.