Posted by: woodcreeper | September 17, 2008 @ 5:54 am

More heavy migration for Florida

The floodgates are open, folks! 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

Light northwest winds at 2500 feet made for some impressive migration over north and central Florida, while light north winds over South Florida allowed for another big push of birds both into and out of the southern half of the state. Many birds could be seen launching into the Atlantic and the Straits of Florida on both the Miami and Key West radars respectively. Expect birding conditions to be good across the state today, although concentrations will be hard to predict given the widespread nature of the migration event. I’d suspect that inland sites in South Florida would fare better, given the light easterly wind offshore, but with the amount of birds pushing down the coast over the Melbourne radar would suggest that east coast locations should get a “shot in the arm” this morning as well.

Good Birding,

David

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Responses

  1. Could somebody explain, or point me toward an explanation, of just how to interpret these radar images with respect to the migration. For instance:

    1) how do we distinguish between birds and cloud cover?
    2) are there colors that specifically relate to birds?
    3) is the entire mass of color peeling off the peninsular solid birds???!!!
    4) if I’m interpreting these right, which is unlikely, why would birds be leaving the peninsular in a southeasterly direction?

    Thanks very much! This is awesome!!

  2. Today, I decided to go looking for hummingbirds at Castellow Hammock before class. I was not disappointed! Migrants, however, were not in huge numbers here. Birds of interest seen:

    Ruby-throated Hummingbird (3)
    Great Crested Flycatcher (1)
    White-eyed Vireo (2)
    Yellow-throated Vireo (2)
    Red-eyed Vireo (4)
    Blue-gray Gnatcatcher (7)
    Brown Thrasher (2)

    Warblers:
    Northern Parula (4)
    American Redstart (1)
    Ovenbird (2)

    Carlos

  3. Hey D,

    Just like yesterday the C-111E was birdy. We did not have much time to bird but still managed to find some good birds. Two year birds one being a Lifer! Blue Grosbeak was a life bird for us, and Chestnut-sided Warbler was a year bird. Lots of other birds around including Flycatchers, lots of Ovenbirds and Prairie Warblers. Wish we had more time to bird, well maybe next time. Still awaiting a 15+ Warbler day.
    We still celebrated our Life Blue Grosbeak with a Dogfish Head Raison D’Etre, a deep, mahogany ale brewed with beet sugar, green raisins, and Belgian-style yeast. As complex as a fine, red wine.

    Birds seen today:

    Northern Parula
    Chestnut-sided Warbler
    Black-throated Blue Warbler
    Prairie Warbler (~8)
    Worm-eating Warbler
    Black-and-white Warbler
    American Redstart
    Ovenbird (~10)
    Northern Waterthrush
    Common Yellowthroat
    BG Gnatcatcher
    Great-crested Flycatcher
    Eastern Kingbird
    Gray Kingbird
    Brown Thrasher
    Blue Grosbeak
    Red-eyed Vireo
    White-eyed Vireo (lots)
    Red-shouldered Hawk
    Northern Harrier

    Nature is Awesome
    Angel & Mariel

  4. maddog is back online! it’s torture not being able to look at weather on the Internet in September.

    Wednesday Sept 17th at Cape Florida featured a new influx of birds. They were still in the air at sunrise and dropped down into the woods, and we banded 45 birds or so. A nice mix, too. Lots of OVEN, WEWA, BAWW, but also 3 SWWA and a CSWA were banded. MAWA seen and YBCH heard. These birds were really fat, too. We could’ve been in a Walmart in Georgia.


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