Visible imagery from NASA's Terra satellite revealed 03W that formed near the island of Yap in the Northwestern Pacific Ocean.
Yap State is one of the four states of the Federated States of Micronesia.
The other three states include Kosrae State, Pohnpei State, and Chuuk State.
A tropical storm watch remains in effect for Yap and Ngulu in Yap State and Kayangel in the Republic of Palau.
On March 15, the Moderate Resolution Imaging Spectroradiometer or MODIS instrument aboard NASA's Terra satellite provided a visible image of 03W in the Northwestern Pacific Ocean.
At 2 p.m. EDT (1800 UTC) on March 15 (4 a.m. CHST on March 16 local time) the National Weather Service (NWS), Guam, noted that the center of Tropical Depression 03W was located near Latitude 7.9 degrees North and Longitude 140.9 degrees East.