Weather Blog Phytoplankton Flourish in the North Sea Turquoise swirls of phytoplankton developed over the course of two weeks in the shallow sea basin. Read More… About Author OTW Observer See author's posts Post navigation Previous Tropical Storm Bret brings Life-Threatening Flooding to the Caribbean…Next Caribbean under Warnings as Tropical Storm Bret Arrives… Related Stories Tropical Storm Arthur Weather Blog Tropical Storm Arthur June 19, 2026 Desert Field Test With NASA Advanced Rover Prototype Weather Blog Desert Field Test With NASA Advanced Rover Prototype June 18, 2026 El Niño Is Underway Weather Blog El Niño Is Underway June 18, 2026