Posted by: woodcreeper | September 8, 2008 @ 5:46 am

Heavy migration into North Florida last night

Northeast winds across the Southeastern US made for an exceptional night of migration. As for Florida it appears the bulk of new birds will be evident within the panhandle and big bend region today. Here’s the radar from 7:00pm 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 Key West, FL Base Velocity image from Key West, FL Base Reflectivity image from Miami, FL Base Velocity image from Miami, FL Composite base reflectivity for the Southeastern USA

Wind speed and direction clearly played a large part in shaping migration over the Sunshine State last night. The heaviest movement of birds occurred across north Florida, where winds were NNE for most of the night and early morning. Further south, though, east winds built in quite strong (20mph at Ft Lauderdale Int. Airport) which appear to have limited movement across most of the state. This is quite evident on the regional composite image. Still, small to moderate pulses of birds can be seen moving on all Florida radars last night, with birds launching into the Gulf from St. Pete/ Tampa Bay, and into the Florida Straits via the southern peninsula and the Florida Keys. Expect west coast locations along the southern part of the state to have some new birds this morning, but the best birding conditions will be across the coastal Panhandle given the sheer number of birds overshooting the coastline at first light (and therefore redirecting to the coast shortly thereafter).

Good Birding,

David

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