Date: 5/4/26 12:23 pm
From: Yaukey, Peter via groups.io <pyaukey...>
Subject: [ALbirds] Last night liftoff image and next front
There was a nice liftoff image from the AL and MS coasts last night, visible on the Mobile radar (when viewed unfiltered at rap.ucar.edu), posted below. Bye bye, migrants. On such evenings when coastal fallout birds lift off and continue northward, it can often be fun farther inland to listen to the airspace for call notes, shortly after dark. In New Orleans such events often produce peaks with >1 call note per second, even in the (sub)urban noisy airspace, usually for a fairly short window around 9pm as the birds proceeding from the coast pass over in the darkness. I presume that one could predict the time to step outside and listen at one's own inland location with at least fair accuracy, by figuring about 30 minutes after sunset, per 20 miles inland.

But don't fret those migrants' departure, the next front is upon us, scheduled for Thursday, with rain and an afternoon wind shift to drop any migrants arriving trans-Gulf.

Peter Y

[https://weather.ral.ucar.edu/data/radar/20260504/KMOB/BREF/KMOB_20260504_014100_BREF_gray.png]


Peter H. Yaukey, Ph.D.

Departmental Chair and Professor of Biology

Department of Biological and Physical Sciences

University of Holy Cross

4123 Woodland Drive

New Orleans, LA 70131

504-398-2312 Direct

504-394-7744 Main



[cid:91D4B89B-2D58-4695-9437-0B7014880A72]



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