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 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