Peak-level winds sweep across the Northern Picket Range
in advance of an incoming winter storm.
The plume is coming directly towards the camera.
Wind speeds are estimated at 40 to 60 mph, based on comparison of
GPS ground speed and true airspeed from aircraft instruments.
Spectre Peak is behind & hidden by Phantom.
Phantom: 48° 49' 08"N, 121° 20' 33"W