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 Continue Reading Previous: Do You Need Rain?Next: Rain moving In and 2 areas to watch for development… Related Stories Blast From the Past: A Modern Lake in an Ancient Crater Weather Blog Blast From the Past: A Modern Lake in an Ancient Crater July 1, 2025 A Cosmic Explosion Over Siberia Weather Blog A Cosmic Explosion Over Siberia June 30, 2025 A Dusty Vestige of the Old West Weather Blog A Dusty Vestige of the Old West June 29, 2025