Posted by: woodcreeper | September 30, 2008 @ 5:49 am

Heavy migration with possible fallouts for Florida

Migration was heavy over Florida last night, on northeast winds and relatively clear skies… that is, until the storms rolled in. 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

Migration was heavy over the majority of the state last night, but the real interesting thing is what happened along the central west coast around midnight. The regional composite shows a strong low pressure system having moved ashore over St. Pete/ Tampa last night, causing what appears to be a major fallout of nocturnal migrants. Anyone in that region this morning should consider spending the morning hours birding. Because the radar is quite course in resolution, a good way to predict fallout quality is whether you experienced heavy rain between midnight and 2am over your area. This was the peak of migration last night, and therefore most birds would have been put down at the point where they intersected the storm during this time. Fort DeSoto is a “no-brainer” today… just go.

Otherwise, migration continues to be heavy over the Sunshine State, and with light northeast winds, will favor locations slightly inland along the east coast. Extreme fallout conditions are not expected elsewhere, but concentrations could be seen as far east as Kendall, FL, and especially Key Largo, which benefits from both late morning storms and the lack of landmass. If I were on the southeast coast, I’d go check the neighborhoods in Key Largo (Brennan? You out there?).

Good Birding,

David

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Responses

  1. Banding was slow today at SFBO but diversity was good. Birds must have been put down north of us, as the 4:45 AM radar showed a big glob of weather in Broward County. Key Biscayne received several quick downpours from 6-6:45 AM but perhaps birds had already hit the ground. Best was our Chuck’s #16. Usual Caribbean migrants were banded, with TEWA, BBWA and BLPW in the banding area but uncooperative.


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