Weather Blog Algae in the Andes Toxic blooms are becoming more frequent in Chile’s Lake Villarrica. Read More… About Author OTW Observer See author's posts Post navigation Previous Do You Need Rain?Next Rain moving In and 2 areas to watch for development… Related Stories Lake Coatepeque Weather Blog Lake Coatepeque March 9, 2026 Ailing “Megaberg” Sparks Surge of Microscopic Life Weather Blog Ailing “Megaberg” Sparks Surge of Microscopic Life March 6, 2026 A Little Town with a Long Name Weather Blog A Little Town with a Long Name March 5, 2026