Posted by: woodcreeper | April 7, 2008 @ 6:40 am

Exodus out of N. Florida

The front that was stationary over Georgia yesterday, has finally moved out over most of Florida and is now almost completely offshore. The radar indicated strong northbound migration for the Southeast, including much of north Florida, while the heavy storms associated with the front appear to have shut down any migration occurring in the southern half of the state. Here’s the radar from sunset last night through 6:00am this morning.

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 Key West, FL Base Velocity image from Key West, FLBase Reflectivity image from Miami, FL Base Velocity image from Miami, FL Composite base reflectivity for the Southeastern USA

With the great influx of birds making landfall along the Gulf Coast this past weekend (thanks to Bob Duncan for his fallout report which I have copied to my post from yesterday, April 6), it makes sense that many would take off given the optimal conditions last night. You can really see this exodus on the regional composite image. For South Florida, though, I can only see a small push out of Cuba, and a small S–>N push out of the Miami area before the storms overtake the birds and force them to land. That said, this same thing happened last year and Brennan Mulroony reported a mini-fallout in Key Largo, so it’s possible that even the small pushes can produce good birding conditions when space is limited (as in the Keys). Whether this will be visible on the mainland is another story, but birds were clearly heading up the east coast late last night- so it might be worth a check (as long as you bring a raincoat!)

Good Birding

David

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Responses

  1. Nice fallout of warblers here on Big Pine Key this AM. Severe thunderstorms lastnight dropped nice collection of birds, Indigos, black throated blues, oven birds. ect ect ect. Out at Tortugas on Sunday nothing so today a real treat. Lots of chipping . Should be a great birding day in the Keys


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