Latest posts on skiing, snowboarding, and snow science

Graupel, a “supercooled” type of precipitation
Is it sleet? Hail? No, it’s graupel, a relatively obscure form of precipitation that resembles balls of Styrofoam.

A is for Albedo
Albedo is a measure of the fraction of solar energy that is reflected from a surface.

Why I’m launching snow.news
snow.news is a free multimedia newsletter for people who love snow and want to know what’s happening with the American West’s snowpack.

B is for Bomb Cyclone
From a meteorological perspective, a bomb cyclone really is the bomb.

Ski trail ratings: green circles, blue squares, and black diamonds
The green circles, blue squares, and black diamonds that illustrate ski trail ratings were informed by Disney’s work on a proposed ski resort.

J is for Jökulhlaup
A jökulhlaup is a type of flood emanating from glaciers that’s pronounced “yo-KOOL-lahp.” The word is Icelandic in origin and means “glacial run” in its native tongue.