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Moderate migration into light headwind
Here’s the radar from 7:00pm last night through 5:00am this morning. Frames are every 1/2 hour. Click on the thumbnail to view the full-sized animation. While I had expected south winds to keep birds down, the radar indicates that the winds were too light to thwart migration over the mid-Atlantic. All radars showed some level […]
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Birds heading out of mid-Atlantic
While not as drastic as I had originally anticipated, birds do appear to have moved through the mid-Atlantic region in a manner that would suggest an overall net loss in density. Here’s the radar from 7:00pm last night through 5:00am this morning. Frames are every 1/2 hour. Click on the thumbnail to view the full-sized […]
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More migration on north winds
Winds were variable at different altitudes last night; northeast on the surface, and northwest aloft. Either way, both triggered another night of heavy migration over the entire region. Here’s the radar from 7:00pm last night through 5:00am this morning. Frames are every 1/2 hour. Click on the thumbnail to view the full-sized animation. Based on […]
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Moderate migration over the mid-Atlantic
With the winds dying down a bit, and the pool of migrant-ready birds reduced, last night’s migration event was clearly smaller than the last few nights; but the differences are only apparent relative to the heavy migration recently experienced. Here’s the radar from 7:00pm last night through 5:00am this morning. Frames are every 1/2 hour. […]
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Another big flight over the entire region
It happened again! Here’s the radar from 7:00pm last night through 5:00am this morning. Frames are every 1/2 hour. Click on the thumbnail to view the full-sized animation. Winds across the region remained northerly last night (although they were expected to turn more northeasterly), the moon was large, and the sky was clear, setting the […]