Today might be the day

[Ted Floyd]

Greetings, everybody, from Lafayette, Boulder County, where winds are out of the east, and all the clouds are low'r'd upon our house. Thus, on our walk to school this morning, Andrew Floyd and I were pleased, but not entirely surprised, when we heard a singing Clay-colored Sparrow, a singing Blackpoll Warbler, and a singing Least Flycatcher around the periphery of Waneka Lake. Does Andrew have a great walk to school, or what. Anyhow, those three species, especially the sparrow, are the ones I associate with groundings west of I-25 of "good" birds from points east. A harbinger of things to come? I mean, eventually, a certain Basileuterus warbler is going to find its way to Canaan's fair and happy land in the BoCo foothills, overflowing now with chokecherries...

Additional thoughts on the matter:

http://blog.aba.org/2018/05/happening-now-upslope-sparrows.html

Ted Floyd

Lafayette, Boulder County

[Bryan Guarente]

Ted and other interested parties,

It may also NOT be THE day for BoCo.  Take a look at the surface winds at this time: 

http://weather.rap.ucar.edu/surface/displaySfc.php?region=den&endDate=20180518&endTime=14&duration=0

There will be movements into the foothills this morning, but it would be all birds that have been out on the plains only a little ways and are getting forced into the mountains/foothills.  

The major convergence zone and long swath of winds from the south is, imagine that, pointing towards I-70 from Limon through Burlington.  I can't imagine why there would be so many good birds in Cheyenne county recently (sarcasm).

I do wish you good birding nonetheless.  

Bryan

Bryan Guarente

Meteorologist/Instructional Designer

UCAR/The COMET Program

Boulder, CO

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