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No migration over the mid-Atlantic
It was a slow night, as the winds turned southerly on the eve of the next approaching cold front. 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 over the Northeast and mid-Atlantic were southerly for most of […]
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Light migration as conditions deteriorate overnight
Birds were on the move last night, but not without obstacle. 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. Migration over the mid-Atlantic was heaviest in the southern half of the region, where winds remained westerly for most […]
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No migration as warm front pushes northeast
Winds were southwesterly as the thunderstorms rolled in on a warm front last night. Here’s the radar, mostly so you can see what “no migration” looks like, and how precipitation has a very different signature than birds. The frames are from 7:00pm last night through 5:00am this morning. For whatever reason the Fort Dix radar […]
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Birds on the move as cold front clears mid-Atlantic
Last night’s radar was a great example of the “migration window”, something I’ve mentioned in previous posts, but rarely get to see play out. 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. The “migration window” I’m referring to […]
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Very little migration
I’m not going to post the radar in the morning, since it’s 1:36am and I’m planning on sleeping for at least 8 hours tonight (this morning). A small number of birds did take to the sky just after sunset, but due to the strong southerly headwind, all migration ended soon after it began. Don’t expect […]