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 A Desert Intersection Weather Blog A Desert Intersection October 1, 2025 Imelda and Humberto Crowd the Atlantic Weather Blog Imelda and Humberto Crowd the Atlantic September 29, 2025 The Erie Canal Turns 200 Weather Blog The Erie Canal Turns 200 September 29, 2025