|- | Unnamed || || || || Mexico || || || |- | Unnamed || || || || None || || || |- | Unnamed || || || || Mexico || || || |- | Unnamed || || || || None || || || |- | Unnamed || || || || None || || || |- | Unnamed || || || || Texas, Mexico || || || |- | Unnamed || || || || Mid Atlantic United States || || || |- | Unnamed || || || || None || || || |} Subtropical hurricanes Very rarely, a subtropical cyclone will strengthen into a Category 1 subtropical hurricane. There have only been two known cases of this phenomenon: |- |One || || || || None || || || |- |One || || || || Newfoundland || || || |} Climatology Landfalls See also List of Category 1 Pacific hurricanes List of Category 1 South Pacific tropical cyclones List of Category 1 Australian region tropical cyclones List of Category 2 Atlantic hurricanes List of Category 3 Atlantic hurricanes List of Category 4 Atlantic hurricanes List of Category 5 Atlantic hurricanes Lists of Atlantic hurricanes References Category 1 Atlantic hurricanes Atlantic 1 Category 1