Over the last couple of days we were hit by strong winds with gusts up to 55 knots. If the wind is strong enough, it starts lifting and carrying snow with it. This phenomena is called drifting snow (wind speed around 15-20 knots) or blowing snow (over 20 knots).
Strong wind carries drifting snow towards the fuel tanks in the back ground
Drifting snow visible in setting sun. To the right is one of the Cabooses, where the Radiometer experiment is located.