Scientific American Content | Global Follow The first Atlantic tropical storm of 2026 is here—and it used to be a Pacific cyclone Tropical Storm Arthur is the first named storm of the Atlantic hurricane season and will bring heavy rains and potential flash flooding to the Southeast https://www.scientificamerican.com/article/the-first-atlantic-tropical-storm-of-2026-is-here-and-it-used-to-be-a-pacific-cyclone/ scientificamerican.com