Weather Blog Storm Duo Churns Over the Pacific Hurricane Barbara and Tropical Storm Cosme lined up off the western coast of Mexico. Read More… About Author OTW Observer See author's posts Post navigation Previous When London weather will be 29C – but Met Office warning over ‘Very High’ pollen countNext London 59-hour health alert as specialist doctor warns of ‘serious’ issues when 30C hits 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