Weather Blog NASA Returns to the Beach: Bright Beaches in Florida The white sands of Florida’s Emerald Coast beaches are primarily comprised of quartz grains from the southern Appalachian Mountains. Read More… About Author See author's posts Post navigation Previous Beryl Hits and Wobbles into the Caribbean…Next Record Setting Hurricane takes aim at Jamaica… Related Stories Home Reef Adds On Weather Blog Home Reef Adds On February 17, 2026 Surveying Popes Creek Weather Blog Surveying Popes Creek February 16, 2026 Stonebreen’s Beating Heart Weather Blog Stonebreen’s Beating Heart February 13, 2026