Portal:Tropical cyclones/Anniversaries/January/18

January 18
 * 1978 - Subtropical Storm One formed to the east of Puerto Rico, becoming one of two subtropical cyclones to form in the North Atlantic in the month of January.
 * 2015 - Cyclone Chedza reaches its secondary peak as a severe tropical storm, after causing 80 fatalities and US$40 million damages in Madagascar.