[wisb] Possible fallout conditions in the Driftless Area

From: David La Puma <woodcreeper@xxxxxxxxx>
To: wisbirdn <wisbirdn@xxxxxxxxxxxxx>
Date: Fri, 30 Mar 2012 06:23:36 -0500

Birders-
I posted my interpretation of last night's radar on www.woodcreeper.com a
few minutes ago, so check it out if you want the full story. In short, last
night heavy precipitation moved into western Wisconsin at about the same
time that the heaviest migration was occurring (between Midnight and 2am).
The radar clearly showed birds dropping out as the storms passed over the
La Crosse radar, suggesting a fallout around the Mississippi floodplain and
Driftless Area. Migration over the eastern half of the state was
considerably lower and the precipitation didn't reach Lake Michigan until
most of those birds had already landed for the night, so fallout conditions
are expected to decrease rapidly as one moves eastward across the state.
Still, it doesn't take many birds in the sky to result in good conditions
on the ground when precipitation causes them to land- so if you experienced
heavy precip between midnight and early this morning, it would probably be
a good idea to poke around your local patch and see what you find!

Of course, your feedback on www.woodcreeper.come is always encouraged, and
only helps to better our understanding of the relationships between what we
see on the radar and what we find on the ground.


Good Birding


David
________________________

David A. La Puma
Postdoctoral Associate
Aeroecology Program
Department of Entomology and Wildlife Ecology
University of Delaware

Visiting Scientist
SILVIS Lab (http://silvis.forest.wisc.edu/)
University of Wisconsin, Madison

Teaching/Research Profile:
http://www.woodcreeper.com/teaching

Websites:
http://www.woodcreeper.com
http://badbirdz2.wordpress.com


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[wisb] Possible fallout conditions in the Driftless Area

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