Friday, May 22, 2015

May 22nd, 2015

Tonight's surface analysis
Tonight's winds
Tonight, we have an example of when the forecast just doesn't hold true. Instead of variably strong southerly winds throughout the state, high pressure has unexpectedly brought a cold front. This cold front from the north has brought unfavorable east/northeasterly winds, which have extended over much of Northern and some of Central Illinois by now. As a result of these high pressure systems, winds south of this front are not remarkably favorable either, remaining confused and undirected. So, overall, we've received conditions in which migration is predominantly light. So much for the weekend arriving with a bang.
Radar tonight.

Looking toward the forecast, winds are predicted to become powerfully southerly tomorrow and remain so at least until Tuesday. This means favorable conditions for Saturday, Sunday, and Monday nights at least. Keep in mind, though, the following two things: 1) These winds are forecast to be strong at a level that may be overwhelming for migrants, and 2) We've entered the back end of spring migration, when heavy movements are increasingly rare. All said, we should see at least some noteworthy migration tomorrow night. I'll keep you posted.

For now, keep an eye on our handy eBird Page for predicting which species you'll see tomorrow.

With that, I bid you all adieu for the night. Good birding!

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