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Heavy migration part deux
The floodgates are indeed open. Here’s the radar from sunset last night through 5:00am this morning. Frames are every 1/2 hour. Click on the thumbnail to view the full-sized animation. While densities across most of the region were apparently lower than on Thursday night/ Friday morning, migration was clearly in effect across the eastern seaboard […]
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Heavy migration over the Northeast and Mid-Atlantic
Last night the winds along the eastern United States were light and primarily out of the north. Over the Northeastern US and mid-Atlantic we saw mostly northwesterly winds turning north by morning, which appears to have triggered the heaviest migration to-date this August. Here’s the radar from sunset last night through 5:00am this morning. Frames […]
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Why you should go to Higbee’s tomorrow morning, and get there early!
The wind forecast (NW at sunset, N during the night, NE by morning… see the circular wind plot graph) Tomorrow is the day after the passage of a cold front (CF+1 on the graph) Most birds are recorded within the first hour-and-a-half after sunrise (see bar graph) Figures from Wiedner, D., P. Kerlinger, D. Sibley, […]
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Widespread migration across the Eastern US
Well, after two nights of sub-optimal wind conditions to our north, things finally shaped up for widespread nocturnal migration last night. Here’s the radar from sunset last night through 5:00am this morning. Frames are every 1/2 hour. Click on the thumbnail to view the full-sized animation. Upper-level winds appear to have been the key to […]
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Migration outlook
Tonight’s weather forecast is looking interesting. Right now the forecast is calling for light southwest winds at the surface over Southern NJ, turning northwest around 7:00am tomorrow. That alone tells us little, because most of the birds migrating down the eastern seaboard will be doing so at much higher altitudes. The real story, then, lies […]