Tuesday, September 22, 2015

Sept 23, 2015

Hello birding friends,

Shorter report tonight - Illinois is experiencing widespread light migration as evidenced by the current national composite radar (http://tempest.aos.wisc.edu/radar/us3comp.gif).

This more widespread migration is due to light and variable winds across the state. Tomorrow (Wednesday) night, winds should shift to be noticeably more northerly for the entire state, so I would expect moderate turnover on Thursday morning.

To predict exactly which species you are likely to encounter and when, please consult:
BirdCast's regional migration forecast for this week: http://birdcast.info/forecast/regional-migration-forecast-18-25-september-2015/
eBird's Illinois species occurrence chart: http://ebird.org/ebird/GuideMe?src=changeDate&getLocations=states&states=US-IL&parentState=US-IL&reportType=location&monthRadio=on&bMonth=08&eMonth=11&bYear=1900&eYear=2015&continue.x=63&continue.y=9&continue=Continue

In summary, it would be worth birding both tomorrow and Thursday mornings, but especially on Thursday.

Good birding,

Henry (Oak Park, Cook County)

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