WASHINGTON (Sputnik) — It is the latest hurricane formation on record in the Caribbean Sea.
"Otto becomes the seven hurricane of the 2016 season," the advisory stated on Tuesday.
Tropical storm watches have been issued for San Andres Island, Costa Rica and for Nicaragua from Bluefields to Sandy Bay Sirpi.
Otto could produce a total rainfall of 6-12 inches, with isolated amounts of 15-20 inches through Thursday, the Center added.
The rains are likely to result in life-threatening flash floods and mud slides.