Weather Blog A Destructive Glacial Outburst Flood in Peru Rockfalls overwhelmed one of Vallunaraju’s glacial lakes, unleashing a destructive debris flow that struck the city of Huaraz. Read More… About Author OTW Observer See author's posts Continue Reading Previous: Record Heat in Northwest European WatersNext: Meandering Through Baton Rouge Related Stories Arctic Sea Ice Ties for 10th-Lowest on Record Weather Blog Arctic Sea Ice Ties for 10th-Lowest on Record September 19, 2025 Cooper Creek Replenishes Lake Eyre Weather Blog Cooper Creek Replenishes Lake Eyre September 17, 2025 Australia’s Howick River Weather Blog Australia’s Howick River September 17, 2025