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 Rings of Rock in the Sahara Weather Blog Rings of Rock in the Sahara November 28, 2025 Cranberry Country, Wisconsin Weather Blog Cranberry Country, Wisconsin November 27, 2025 The Towers of Tràng An Weather Blog The Towers of Tràng An November 26, 2025