Weather Blog What Was Behind Idalia’s Rapid Intensification? A new analysis suggests that a large freshwater plume in the hurricane’s path helped fuel its extraordinary growth. Read More… About Author OTW Observer See author's posts Post navigation Previous New London weather map shows temperatures dropping suddenlyNext When clocks go forward and when London will get first 7pm sunset 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