Subtropical Storm Arthur (2020)

Subtropical Storm Arthur was the only the second Atlantic tropical or subtropical cyclone to form in the month of March in the, the first being a hurricane in 1908. The first named storm of the 2020 Atlantic hurricane season, Arthur originated as an extratropical cyclone near Bermuda on February 28, 2020. The system drifted southeast and began to acquire tropical characteristics on March 1. The following day, it transitioned to a subtropical cyclone over the Central Atlantic, becoming the first tropical or subtropical cyclone to form in the month of March in over a century.