This is what “no migration” looks like


So, sometimes I think it’s good to remind everyone what “no migration” looks like on the radar. It’s pretty boring, but it will be useful when we have something interesting to compare it to, which looks like it’ll be Monday night (with the possibility of a taste as early as tonight). Here’s the radar from sunset last night through 5:30am this morning. Surface winds were primarily from the Northeast at 5-10kts, and from the Northwest at 10-20kts at higher elevations, making for very poor migration conditions.

Frames are every 1/2 hour for reflectivity and velocity, and every hour for the regional composite. Click on the thumbnail to view the full-sized animation.
Base Reflectivity image from Fort DixBase Velocity image from Fort DixBase Reflectivity image from Dover AFBBase Velocity image from Dover AFBComposite Base Reflectivity image from the Northeastern USA

A low pressure system is making its way across the Great Lakes today and will eventually set us up a strong southerly flow as it tracks to the Northeast. We could see some low to moderate migration tonight, although the best weather looks to be in store for Monday night. Expect birding conditions today to remain consistent from yesterday, with the possibility of some small scale movement into optimal foraging habitat. For a more thorough analysis of migration weather, come check out my migration forecast for the Mid-Atlantic on Birdcapemay.org which I will be updating later this morning.

Good Birding

David

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