Posted by: woodcreeper | October 4, 2008 @ 7:47 am

Possible fallouts in South Florida and Keys?

Moderate migration last night, coupled with late night thunderstorms, suggest the possibility of fallouts in South Florida and the Keys. Here’s the radar from 7:00pm last night through 6:30am 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

While migration wasn’t heavy over Florida last night, there was evidence of a moderate flight on the Miami and Key West radars (mostly from NNE->SSW) and a line of heavy thunderstorms crossing the migration front around midnight. It looks to me like Key West has the best chance of heavy fallout conditions, while Southeast Florida has the potential for some good concentrations of birds as well. Any reports from the field would be appreciated.

Good Birding,


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  1. Migration & Rain
    Thunderstorms throughout the night in Goulds, along with a sudden tapering-down of rain at dawn seemed like a good set-up for an interesting migration situation at Castellow Hammock. As I arrived at around 7:30 and the rain nearly came to a complete halt, it was quickly evident there were many migrants around. Here are some highlights:

    A female Rufous/Selasphorus Hummingbird (tail projection & bill length made strong case for a sure Rufous).
    Ruby-throated Hummingbird – many
    Tennessee Warbler – dozens!
    Northern Parula
    Chestnut-sided Warbler
    Magnolia Warbler
    Black-throated Blue Warbler – many
    Prairie Warbler
    Worm-eating Warbler
    Black-and-white Warbler
    Ovenbird – many
    Northern Waterthrush
    Common Yellowthroat
    American Redstart – many
    Hooded Warbler
    Yellow-throated Vireo – various
    Red-eyed Vireo
    White-eyed Vireo
    Northern Flicker – various
    Yellow-billed Cuckoo
    Swainson’s Thrush – various
    Gray-cheeked Thrush
    Carolina Wren
    Brown Thrasher
    Sharp-shinned Hawk (2- a juvenile and an adult taking turns at a tall fig near post 14).
    Indigo Bunting

    The Rufous Hummingbird seemed to frequent a small oak south of the Firebush mound/ring near the entrance of the park. It took turns in squabbling with nearby Ruby-throats and could be heard giving its harder tchup call.


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