Weather Blog Clouds “Shine” Over the Mediterranean Sea Once limited to higher latitudes, polar mesospheric clouds are becoming brighter and more visible over mid-latitudes. Read More… About Author OTW Observer See author's posts Post navigation Previous High Alert in the Caribbean…Next Tropical Storm Forming with Life-Threatening Flooding… 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
