Tropical Storm Nana formed over the Caribbean Sea south of Jamaica on Tuesday.  At 2:00 p.m. EDT on Tuesday the center of Tropical Storm Nana was located at latitude 16.7°N and longitude 78.4°W which put it about 110 miles (175 km) south of Negril, Jamaica.  Nana was moving toward the west at 18 m.p.h. (30 … Continue reading Tropical Storm Nana Forms South of Jamaica