Weather Blog Black Mesas and Sand Dunes in Mauritania Dunes formed on the slopes of dark mesas in this photo taken by an astronaut on the International Space Station. Read More… About Author See author's posts Continue Reading Previous: Relentless Wildfires in CanadaNext: Exceptionally Low Antarctic Sea Ice Related Stories A Hazy, Foggy Day in Italy’s Po Valley Weather Blog A Hazy, Foggy Day in Italy’s Po Valley November 22, 2024 Extratropical Cyclone Whips Over the Pacific Northwest Weather Blog Extratropical Cyclone Whips Over the Pacific Northwest November 20, 2024 Charting the Exceptional, Unexpected Heat of 2023 and 2024 Weather Blog Charting the Exceptional, Unexpected Heat of 2023 and 2024 November 19, 2024