Start of Spring Migration

Animated .gif of the radar images from 17-18 March. Red/green represent stuff in the atmosphere moving away from/towards the radar station set in the middle of the image. There’s a clear pattern of movement along the outer coast of Baranof Island from south to north. When migration is at its peak, this pattern will show … Read more

Night Migration

I have read about observing bird migration via weather radar, and thought it might be interesting to see what showed up on the Doppler Radar station located on Biorka Island. The animated .gif shown above is color-coded by the velocity of objects the radar ‘sees’ relative to the radar station. Green indicates objects travelling towards … Read more