Most avalanches occur after a big snowstorm, a period of strong winds or a rapid increase in temperature. Take a slice of the deep snow, beneath where that snowflake landed. Its walls will look ...

Recent avalanches, shooting cracks, and "whumpfing" are signs of unstable snow Trigger: Sometimes it doesn't take much to tip the balance; people, new snow, and wind are common triggers Determine ...

Snowmaching in Denali has come to a close as summer approaches. The Superintendent of Denali National Park and Preserve has determined that there is not adequate snow cover for the use of ...

In addition, snow pinwheels, shown in the image below, are also a good indication that avalanche conditions are dangerous. Cornices also become increasingly unstable due to warming temperatures ...

Some of Europe’s top ski resorts, including Zermatt in Switzerland and Val d’Isere in France, were forced to shut as heavy snow raised the avalanche risk across the western Alps. At Montana ...