With winter looming in South America, the first major snowstorm of fall 2021 has blanketed the Andes Mountains near central Chile and Argentina. Snow from the unusual summer storm (left) is juxtaposed with the fall-season storm (right), illustrating the different expressions of warm and cold season storms over the Andes. “Central Chile is bone-dry during summer, except for a few scattered convective storms over the highest peak of the Andes. Most of the storm’s precipitation fell as rain, causing flash flooding and damaging landslides. According to an analysis of the event, summer storms like this one are rare, occurring on average about every 40 years in Santiago.