Powder: Light, dry snow, snowed in calm weather.
Pisted powder: Light, dry snow that has been groomed.
Pisted fine snow: New snow or dry blown snow
Hard-packed snow: Few days old snow that has been pisted a few times.
Pisted wet snow: Snowball-making snow
Ice: Snow has gotten wet and then froze again, hasn‘t snowed in a while.
Worked ice: Grounded snow, piste has been worked with a groomer.
Spring slush: Course snow, usually quite hard in the morning but melts and softens through the day.
Machine-made snow: Very fine snow, made with snow-making machines.