Tropical Depression Thirteen formed overnight in the central tropical Atlantic.
TD 13 is centered about 905 miles east of the Northern Leeward Islands and moving WNW at 21 mph.
On the forecast track, the depression is expected to move near or north of the northern Leeward Islands by late Friday and near or north of the Virgin Islands and Puerto Rico on Saturday.
Maximum sustained winds are near 35 mph with higher gusts. Gradual strengthening is forecast, and the depression is expected to become a tropical storm by later today.
Update as of 5 a.m. Thursday, August 20:
Location: 15.2 N 49.8 W
Moving WNW at 21 mph
Max sustained winds: 35 mph
Max pressure: 1008 mb