Three tropical cyclones are spinning in the South Pacific, an occurrence that scientists say is unusual. Tropical cyclones Rae, Seru and Alfred are all churning as the region is in the peak of a season that starts in November and ends in April.

It’s the first time in four years the feat has happened in the region, the limits of which start east of Australia and extend about 5,000 miles from the Coral Sea through the South Pacific Ocean. It last happened as the calendar flipped from January to February in 2021 when tropical cyclones Bina,