YELLOW-RUMPS; INCOMING!


It’s that time of year again. 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.

Base Reflectivity image from Fort Dix Base Velocity image from Fort Dix Base Reflectivity image from Dover AFB Base Velocity image from Dover AFB Base Reflectivity image from Upton NY Base Velocity image from Upton NY Composite Base Reflectivity image from the Northeastern USA

Heavy migration was apparent last night throughout the northeast and mid-Atlantic US. Upper level winds were in the 10-20kt range and mostly blowing from NW->SE except for the southern part of the region which experienced lighter (5-10kt) winds from the NNE. Surface winds were light and variable up to 5kts out of the NNE for most of the region. These conditions set the stage for a textbook late-fall migration event and should result in an excellent morning flight of Yellow-rumped Warblers at the Higbee dike. Otherwise expect migrants to be dispersed across the landscape today with the highest concentrations at Sandy Hook (early in the day), Cape May (especially good), and inland traps such as Chimney Rock and along the Delaware River. Diversity of warblers will be way down by now, with the vast majority being Yellow-rumps, but sparrow diversity will be up across the region.

Good Birding

David

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