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: Autumn 2015 IL Migration Report  ( 7193 )

Henry Griffin

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Re: Autumn 2015 IL Migration Report
« #15 : September 13, 2015, 08:13:15 PM »
For September 14, 2015:

Hello birding friends,

To view this report in blog format with imbedded images, please visit Arrivals and Influxes at: ilmigration.blogspot.com

Illinois is experiencing negligible migration tonight due to southerly headwinds that are currently in place and should unfortunately stick around until Friday or Saturday. One can see this lack of migration very plainly as evidenced by the lack of radar noise on the current national composite radar (http://tempest.aos.wisc.edu/radar/us3comp.gif), especially when compared to the recent bursts of green radar noise we have recently been spoiled with here in Illinois.

The birding won't be bad, per se, because this is, after all, the middle of fall migration so many migrants are essentially "trapped" in Illinois by these unfavorable southerly winds. The next big push/turnover of migrants should happen Saturday morning for northern Illinois and Sunday morning for more southern regions. The forecast could always change; however, and I will be monitoring the situation.

Liz Day Shorebird Forecast: Shorebirds are continuing to wind down; however, one could still expect anomalies such as Al Stokie's recent Lake Michigan shoreline Long-billed dowitcher!

To predict exactly which birds you are likely to find and when, please consult:
BirdCast's regional migration forecast for this week: http://birdcast.info/forecast/regional-migration-forecast-11-18-september-2015/
-and-
eBird's species occurrence chart for Illinois: 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

Good birding,

Henry (Oak Park, Cook County)
trumpetswan@comcast.net
ilmigration.blogspot.com
worldbirding.travellerspoint.com
sites.google.com/site/opbirdwalks/

Henry Griffin

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Re: Autumn 2015 IL Migration Report
« #16 : September 14, 2015, 07:50:22 PM »
For September 15 - 17, 2015:

Hello birding friends,

To view this report in blog format with imbedded images, please visit “Arrivals and Influxes:” ilmigration.blogspot.com

Due to commitments tomorrow and Wednesday evenings, I will not be posting reports until Thursday night. That means that this report is covering Tuesday through Thursday mornings.

I can tell you, folks, that you will not be missing out on much by my not reporting because the national composite radar (http://tempest.aos.wisc.edu/radar/us3comp.gif) looks extremely quiet tonight, and with the southerly winds that are forecast to remain in place until Saturday, not many new arrivals and influxes will appear in our state until about Sunday morning if the forecast remains the same. If an anomaly happens; however, and there is an unexpected big push of migrants before Thursday, I will try to post a quick note to warn everyone.

In summary, not much turnover should be expected until Sunday morning, when I am predicting a pretty huge push of new migrants will come into the state.

Liz Day Shorebird Forecast: Shorebirds continue at many locations throughout the state; however, in lesser densities. Locations such as Emiquon or Chautauqua should still be checked for any remaining large flocks and any interesting species such as lingering godwits. Also, lakefront locations like Montrose Beach (especially in very early morning to avoid the dogs!) would be worth checking for species such as Sanderling and Black-bellied Plover or perhaps any of the southbound Illinois-fledged Piping Plovers...?

To predict exactly which species you are likely to see over the next few days, please consult:
BirdCast's regional migration forecast for this week: http://birdcast.info/forecast/regional-migration-forecast-11-18-september-2015/
-and-
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

Good birding!

Henry (Oak Park, Cook County)
trumpetswan@comcast.net
ilmigration.blogspot.com
worldbirding.travellerspoint.com
sites.google.com/site/opbirdwalks/

Henry Griffin

  • Sr. Member
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  • : 64
Re: Autumn 2015 IL Migration Report
« #17 : September 17, 2015, 07:27:21 PM »
For September 18, 2015:

Hello birding friends,

To view this report in blog format with imbedded images, please visit: ilmigration.blogspot.com

The entire state of Illinois is experiencing a dearth of migration tonight. The northern half is currently experiencing southerly headwinds and thunderstorms will later move in, further grounding bird's movements. Across the southern half of the state, little precipitation is expected; however, southerly winds will be keeping birds from migrating the entire night. All of this lack of movement and abundance of storms moving into the northern half of the state can be seen on the current national composite radar: (http://tempest.aos.wisc.edu/radar/us3comp.gif)

Analyzing the hourly and daily forecasts on the weather channel for multiple locations across the state, it appears that storms will be abundant in the northern half of the state over the next 24-30 hours while southerly winds will be reigning in all parts of the state roughly during that same time period. These are all factors that will prevent birds from migrating in large quantities until Saturday night, so Sunday morning should be the first morning with noticeable turnover in the near future.

Liz Day Shorebird Forecast: Keep checking Lake Michigan lakefront locations and inland shorebird "hubs" for shorebirds! Although it is late in the season, good species are still being seen at various Lake County lakefront sites, and inland, more southerly locations such as Emiquon and Chautauqua. Sanderling and Semipalmated Sandpiper should be some of the more common shorebird species (depending on habitat) migrating through that are slightly more late-shorebird-migration-prone in their habits.

To forecast exactly which species you are likely to find and when, please consult:
BirdCast's regional migration forecast for this week: http://birdcast.info/forecast/regional-migration-forecast-11-18-september-2015/
-and-
eBird's species occurrence map for Illinois: 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 conclusion, tomorrow and Saturday mornings should yield little turnover for the state whereas Sunday morning has the possibility to be quite productive.

Good birding!

Henry (Oak Park, Cook County)
trumpetswan@comcast.net
ilmigration.blogspot.com
worldbirding.travellerspoint.com
sites.google.com/site/opbirdwalks/

--
Henry Griffin

Henry Griffin

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Re: Autumn 2015 IL Migration Report
« #18 : September 18, 2015, 08:58:51 PM »
For September 19, 2015:

Hello birding friends,

To view this report in blog format with imbedded images, please visit: ilmigration.blogspot.com

Tonight, wherever it is not raining in Illinois, the state is experiencing light concentrations of migration. This does not mean a large influx of birds will be easily noticeable tomorrow morning, but there is more movement tonight than for most of this week, as evidenced by the uniform blue radar noise on the current national composite radar as of posting time at 10:35pm: (http://tempest.aos.wisc.edu/radar/us3comp.gif)

Also, the fact that birds are migrating where there is not storms means that southern Illinois should be experiencing more movement than northern regions of the state tonight due to the bulk of the precipitation once again being in the northern part of the state.

What to expect for the next couple of days? Maybe slightly more arrivals and influxes tomorrow morning; however, I am forecasting a big push of birds arriving Sunday morning after the first night of light, northerly winds following a week of headwinds - meaning that birds that have been grounded for a relatively long time will "spring into action" tomorrow night and turnover should be visible on Sunday.

Liz Day Shorebird Forecast: Basically as I have been saying over the last few days, there are some perks to looking for shorebirds late in the season for rare possibilities such as Red Knot; however, I believe that many birders should be focusing their concentration now on the migrant warblers and other songbirds because before we know it, many will have left by the time October comes around - which is when I will terminate these mini shorebird reports until next April. Enjoy the neotropical migrants while you can!

To predict exactly which species you are likely to find and when, please consult:
BirdCast's new regional migration forecast for this coming week: http://birdcast.info/forecast/regional-migration-forecast-18-25-september-2015/
-and-
eBird's species occurrence chart for Illinois: 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

I love migration. Today just while walking home from school I saw a Great Blue Heron fly over my hometown Oak Park, which is an anomaly because OP is relatively far away from the nearest water source (Des Plaines River). It is only the fifth GB Heron I have ever seen here, and they have all been flyover sightings. I hope all of you are getting out and enjoying the magic of migration! I will certainly be doing so this weekend by leading two Oak Park Bird Walks (btw, the Sunday 8am walk still has 3 spaces open!).

So it wouldn't hurt to go birding tomorrow (Saturday) morning; however, I strongly encourage that birders try to get out on Sunday!

Good birding,

Henry (Oak Park, Cook County)
trumpetswan@comcast.net
ilmigration.blogspot.com
worldbirding.travellerspoint.com
sites.google.com/site/opbirdwalks/

Henry Griffin

  • Sr. Member
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  • : 64
Re: Autumn 2015 IL Migration Report
« #19 : September 19, 2015, 08:06:13 PM »
For September 20, 2015:

Hello birding friends,

To view this migration report in blog format with imbedded images, please visit: ilmigration.blogspot.com

Due to light northerly winds across ALL parts of Illinois tonight, Illinois is experiencing WIDESPREAD MODERATE to HEAVY migration, which can be seen on the current national composite radar: (http://tempest.aos.wisc.edu/radar/us3comp.gif)

So I strongly encourage birders in all areas of the state to get out and go birding tomorrow (Sunday) morning. Looking ahead to tomorrow night, it appears that northern areas of the state will be receiving southerly headwinds and therefore little migration will occur there, while southern areas will receive northerly tailwinds which could cause a larger turnover in southern Illinois; however, it will more likely cause a phenomenon where birds moving out of the state will not be replenished by influxes from the north, meaning Monday morning should be much less productive than tomorrow across most of the state.

Liz Day Shorebird Forecast: Late-migration shorebird targets for Illinois include American Golden-Plover, Greater Yellowlegs, Stilt Sandpiper, both (or one?) Dowitchers, and Wilson's Snipe. Look for the Golden Plover in sod farm habitats, Snipe in overgrown wetland areas, and all others in mudflat and other wetland areas.

To predict exactly which species you may see and when, consult:
BirdCast's regional migration forecast for this week: http://birdcast.info/forecast/regional-migration-forecast-18-25-september-2015/
-and-
eBird's species occurrence map for Illinois: 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

Go birding tomorrow (Sunday) morning!

Henry (Oak Park, Cook County)
trumpetswan@comcast.net
ilmigration.blogspot.com
worldbirding.travellerspoint.com
sites.google.com/site/opbirdwalks/

Henry Griffin

  • Sr. Member
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  • : 64
Re: Autumn 2015 IL Migration Report
« #20 : September 20, 2015, 07:19:52 PM »
For September 21, 2015:

Hello birding friends,

To view this report in blog format with imbedded images, please visit: ilmigration.blogspot.com

Tonight all of Illinois, except for, strangely, the northwestern region, is receiving fairly uniform light migration. The current national composite radar (http://tempest.aos.wisc.edu/radar/us3comp.gif) is also detecting some patchy areas of moderate migration in the southern regions of the state tonight.

Tomorrow night should bring very similar conditions; southerly winds over the northern half of the state will likely contribute to little migration there while northernly winds in the southern half may cause some movement in the southern half of Illinois.

I certainly noticed some turnover today. On my Oak Park Bird Walk, characteristic late-migration species such as Yellow-bellied Sapsucker and Yellow-rumped Warbler were detected for the first time in my neighborhood this fall.

Liz Day Shorebird Forecast: Nothing really new in this department as we are nearing the end of shorebird migration. Keep checking Lake Michigan as well as inland locations like Emiquon and Chautauqua, etc. Due to shorebird migration diminishing over much of the state, I am going to stop doing these mini shorebird reports until next spring starting in about a week or so.

To predict exactly which species you are likely to see and when, please consult:
BirdCast's regional migration forecast: http://birdcast.info/forecast/regional-migration-forecast-18-25-september-2015/
-and-
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

Good birding,

Henry (Oak Park, Cook County)
trumpetswan@comcast.net
ilmigration.blogspot.com
worldbirding.travellerspoint.com
sites.google.com/site/opbirdwalks

Henry Griffin

  • Sr. Member
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  • : 64
Re: Autumn 2015 IL Migration Report
« #21 : September 21, 2015, 07:14:41 PM »
For September 22, 2015:

Hello birding friends,

To view this report in blog format with imbedded images, please visit: ilmigration.blogspot.com

Tonight, Illinois is experiencing the same avian migration trend as yesterday. Southerly winds over northern Illinois are grounding birds over the northern two thirds of the state while northerly winds in southern Illinois is creating some light movement in the far southern third of the state, as seen on the current national composite radar: (http://tempest.aos.wisc.edu/radar/us3comp.gif)

This wind and resulting migration pattern, looking at various local forecasts, should also occur tomorrow night.

In summary, it would of course be worth birding tomorrow to see all of the migrants that are currently stuck in much of the state since they will be gone in due time; however, there shouldn't be much evidence of turnover tomorrow morning.

Liz Day Shorebird Forecast: Not much new in this department.

To predict exactly which species you are likely to find and when, please consult:
BirdCast's regional migration forecast for this week: http://birdcast.info/forecast/regional-migration-forecast-18-25-september-2015/
-and-
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

Good birding,

Henry (Oak Park, Cook County)
trumpetswan@comcast.net
ilmigration.blogspot.com
worldbirding.travellerspoint.com
sites.google.com/site/opbirdwalks/

Henry Griffin

  • Sr. Member
  • ****
  • : 64
Re: Autumn 2015 IL Migration Report
« #22 : September 22, 2015, 07:52:31 PM »
For September 23, 2015:

Hello birding friends,

To view this report in blog format with imbedded images, please visit "Arrivals and Influxes:" ilmigration.blogspot.com

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/
-and-
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)
trumpetswan@comcast.net
ilmigration.blogspot.com
worldbirding.travellerspoint.com
sites.google.com/site/opbirdwalks/

Henry Griffin

  • Sr. Member
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  • : 64
Re: Autumn 2015 IL Migration Report
« #23 : September 23, 2015, 09:41:30 PM »
For September 24 - 25, 2015:

Hello birding friends,

To view this report in blog format with imbedded images, please visit “Arrivals and Influxes:" ilmigration.blogspot.com

Due to a choir concert tomorrow night, this migration report will be covering forecasts for both tomorrow (Thursday) and Friday.

Tonight, Illinois is experiencing uniformly light-to-moderate migration as seen by the current national composite radar (http://tempest.aos.wisc.edu/radar/us3comp.gif).

Northeast winds throughout the state are fueling this small boost in migration tonight, and birders: it wouldn't hurt going birding tomorrow because there is enough migration tonight to make things interesting but not for those pockets of mid-migration warblers such as Black-throated Green or Bay-breasted to completely disappear.

Friday: wind conditions will be similar tomorrow night to tonight, so I also encourage birders to get out Friday morning as well, if they have the chance. Other typical mid-migration species that might start winging their way south after the next big overnight migration push include Veery, Black-throated Blue Warbler, Chipping Sparrow, and others - so get out there before the trees are completely inundated by Sapsuckers and "Butterbutts!" (Yellow-rumped Warblers)

Liz Day Shorebird Migration Forecast: This concludes the autumn shorebird migration reports because as autumn migration wears on, many birders' primary focus transitions from shorebirds to songbirds (the stage at which most birders are now), raptors, and eventually, waterfowl. Again, my sincerest condolences go to Liz Day's family - a true gem was lost from the birding community this season and in memory of her shorebird report request, the shorebird segment of these migration reports will be dedicated to her as long as I am writing them.

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/
-and-
eBird's species occurrence chart for Illinois: 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

Good birding,

Henry (Oak Park, Cook County)
trumpetswan@comcast.net
ilmigration.blogspot.com
worldbirding.travellerspoint.com
sites.google.com/site/opbirdwalks/

Henry Griffin

  • Sr. Member
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  • : 64
Re: Autumn 2015 IL Migration Report
« #24 : September 25, 2015, 08:34:35 PM »
For September 26, 2015:

Hello birding friends,

To view this report in blog format with imbedded images, please visit “Arrivals and Influxes:” ilmigration.blogspot.com

First of all, tomorrow (Saturday), I will be birding at Montrose Point Bird Sanctuary with the Illinois Young Birders Club from 7:00am to about 8:45am. I would love to meet anyone who has any questions or feedback about this season's migration reports...I will be with the probably large and excited group of young birders in the said time period, so I don't think it would be hard to find me there... :-)

Tonight, the entire state is experiencing MODERATE levels of migration, spurred on by nice northeasterly tailwinds. This can be viewed on the current national composite radar, the patchy green radar noise indicating moderate levels of migration throughout the state (http://tempest.aos.wisc.edu/radar/us3comp.gif).

So go birding tomorrow! It should be fairly productive with some further turnover evident...probably birds such as Ruby-crowned Kinglets and White-throated Sparrows should be a bit more abundant in northern parts of the state come tomorrow morning. Also, influxes of species such as Brown Creeper, Yellow-rumped Warbler, and Winter Wren should start to become fairly evident throughout parts of the state in the coming days.

Tomorrow (Saturday) night appears to be a bit less conducive for migration, as winds will be gradually shifting to be from the southeast, especially in northern parts of the state. (how confusing!)

To predict exactly which species you may find and when, please consult:
BirdCast's regional migration forecast for this week: http://birdcast.info/forecast/regional-migration-forecast-25-september-2-october-2015/#MidwestNortheast
-and-
eBird's species occurrence chart for Illinois: 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

I hope to see you at Montrose tomorrow (Saturday) morning between 7:00 and 8:45am!

Good birding,

Henry (Oak Park, Cook County)
trumpetswan@comcast.net
ilmigration.blogspot.com
worldbirding.travellerspoint.com
sites.google.com/site/opbirdwalks/

Henry Griffin

  • Sr. Member
  • ****
  • : 64
Re: Autumn 2015 IL Migration Report
« #25 : September 26, 2015, 07:26:45 PM »
For September 27, 2015:

Hello birding friends,

To view this report in blog format with imbedded images, please visit “Arrivals and Influxes:” ilmigration.blogspot.com

Negligible to light migration is occurring throughout the state tonight due to southeasterly headwinds, as seen on the current national composite radar which shows very little radar noise across the state (http://tempest.aos.wisc.edu/radar/us3comp.gif).

These unfavorable conditions should be similar tomorrow night, meaning that little turnover/arrivals and influxes should be evident tomorrow (Sunday) or Monday mornings.

To predict exactly which species you are likely to find and when, please consult:
BirdCast's regional migration forecast for this week: http://birdcast.info/forecast/regional-migration-forecast-25-september-2-october-2015/#MidwestNortheast
-and-
eBird's species occurrence chart for Illinois: 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

Good birding,

Henry (Oak Park, Cook County)
trumpetswan@comcast.net
ilmigration.blogspot.com
worldbirding.travellerspoint.com
sites.google.com/site/opbirdwalks/

Henry Griffin

  • Sr. Member
  • ****
  • : 64
Re: Autumn 2015 IL Migration Report
« #26 : September 27, 2015, 06:41:49 PM »
For September 28, 2015:

Hello birding friends,

To view this report in blog format with imbedded images, please visit “Arrivals and Influxes:” ilmigration.blogspot.com

Tonight, Illinois is again experiencing only negligible to light levels of migration, as evidenced by the current national composite radar (http://tempest.aos.wisc.edu/radar/us3comp.gif), due to dominating southerly winds. Of course, tomorrow (Monday) morning should be as good as any to get out while there is still a moderate variety of warblers and other migrants about; however, no huge arrivals or influxes should be expected.

Tomorrow night, winds are forecast to shift to be out of the north; however, showers are expected over much of the state which could disrupt migration then. I will be monitoring the situation closely weather-wise.

To predict exactly which species you are likely to find and when, please consult:
BirdCast's regional migration forecast for this week: http://birdcast.info/forecast/regional-migration-forecast-25-september-2-october-2015/#MidwestNortheast
-and-
eBird's species occurrence chart for Illinois: 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

Good birding,

Henry (Oak Park, Cook County)
trumpetswan@comcast.net
ilmigration.blogspot.com
worldbirding.travellerspoint.com
sites.google.com/site/opbirdwalks/

Henry Griffin

  • Sr. Member
  • ****
  • : 64
Re: Autumn 2015 IL Migration Report
« #27 : September 28, 2015, 09:22:58 PM »
For September 29 through October 1, 2015:

Hello birding friends,

To view this report in blog format with imbedded images, please visit “Arrivals and Influxes:” ilmigration.blogspot.com

This will be a combined forecast for tomorrow (Tuesday, Sept 29) through Thursday (Oct 1) mornings since I have choir tomorrow and Wednesday evenings.

Tonight, Illinois is experiencing widespread MODERATE migration as evidenced by fairly uniform blue radar noise across the state on the current national composite radar (http://tempest.aos.wisc.edu/radar/us3comp.gif). Please note that the much more scattered and green and yellow markings are rain showers as part of the weather systems that are currently sweeping across the midwest. So, tomorrow morning should be a good morning to get out...if it is not raining in your part of the state, that is.

Northerly winds with less rain both tomorrow and Wednesday nights should mean that some nice turnover, arrivals, and influxes should be evident Wednesday and Thursday mornings. Pretty soon I bet those Hermits will start replacing Swainson's Thrush in northern Illinois - get ready!

To predict exactly which species you are likely to find and when, please consult:
BirdCast's regional migration forecast for this week: http://birdcast.info/forecast/regional-migration-forecast-25-september-2-october-2015/#MidwestNortheast
-and-
eBird's species occurrence chart for Illinois: 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, birding should be fairly productive across the state tomorrow (Tuesday) morning, but even more so on Wednesday and Thursday mornings!

Good birding,

Henry (Oak Park, Cook County)
trumpetswan@comcast.net
ilmigration.blogspot.com
worldbirding.travellerspoint.com
sites.google.com/site/opbirdwalks/

Henry Griffin

  • Sr. Member
  • ****
  • : 64
Re: Autumn 2015 IL Migration Report
« #28 : October 01, 2015, 08:36:53 PM »
For October 2, 2015:

Hello birding friends,

To view this report in blog format with imbedded images, please visit “Arrivals and Influxes:” ilmigration.blogspot.com

Tonight, Illinois is experiencing very uniform moderate migration, meaning that tomorrow morning would be about as good as any to get out and start seeing some of those mid-to-late migration species, depending upon where you are in the state. Although Illinois is certainly experiencing northerly tailwinds (as we've also recently seen from the recent drop in temperatures), tonight the winds are just a bit too strong in northern Illinois for huge quantities of birds to be migrating through, as can be seen on the current national composite radar (http://tempest.aos.wisc.edu/radar/us3comp.gif) - note that radar noise in southern Illinois is accordingly a tad stronger than that in more northern regions.

With almost exactly identical wind conditions tomorrow night, Saturday morning also looks like it should be moderately productive with some nice turnover. Speaking of turnover, my predicted wave of Hermit Thrushes has arrived in the Northern parts of Illinois! This turnover is also evident in other species such as both Kinglets moving through northern Illinois profusely, warblers like Black-throated Green and Blackpoll starting to retreat to only the southern portions of the state, and even raptors such as Accipiters and Peregrine Falcons are on the move now! To predict exactly which species you are likely to find and when, please consult these helpful resources:

BirdCast's regional migration forecast for this week: http://birdcast.info/forecast/regional-migration-forecast-25-september-2-october-2015/#MidwestNortheast
-and-
eBird's species occurrence chart for Illinois: 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

So in summary, both tomorrow (Friday) and Saturday mornings should be fairly productive with regards to avian arrivals and influxes.

Good birding,

Henry (Oak Park, Cook County)
trumpetswan@comcast.net
ilmigration.blogspot.com
worldbirding.travellerspoint.com
sites.google.com/site/opbirdwalks/

Henry Griffin

  • Sr. Member
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  • : 64
Re: Autumn 2015 IL Migration Report
« #29 : October 02, 2015, 09:05:57 PM »
For October 3, 2015:

Hello birding friends,

To view this report in blog format with imbedded images, please visit “Arrivals and Influxes:” ilmigration.blogspot.com

Tonight Illinois is experiencing uniformly negligible to only extremely light concentrations of migrants in our skies, as evidenced by the relative dearth of radar noise across the state on the current national composite radar (http://tempest.aos.wisc.edu/radar/us3comp.gif).

Although winds are out of the north (northeast) which should be acting as favorable tailwinds for migration, there are two factors one should consider which could be currently grounding many birds: 1) with the very strong, gusty winds across the state, it may be TOO windy for the birds to migrate. This has been known to happen in Illinois in the past. 2) Illinois is shrouded by overcast clouds, and since many theories conjecture that some birds rely somewhat on the stars for navigation while migrating during the night, this may also be playing a part in the relative lack of movement tonight.

So tomorrow (Saturday) morning should be a good day to find the last of those interesting warblers (for southern Illinoisans) and to admire mid-to-late migration species such as Golden-crowned Kinglet, White-throated Sparrow, Hermit Thrush, and Peregrine Falcon (for northern Illinoisans).

Tomorrow night should display nearly identical weather conditions as tonight except for slightly lighter winds across much of the state, so movement should be about the same tomorrow night; maybe slightly more if anything.

To predict which species you are likely to find and when, please consult:
BirdCast's regional migration forecast for this week: http://birdcast.info/forecast/regional-migration-forecast-2-9-october-2015/#MidwestNortheast
-and-
eBird's species occurrence chart for Illinois: 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, very few arrivals and influxes should be expected tomorrow (Saturday) morning, which only slightly better prospects for Sunday.

Good birding,

Henry (Oak Park, Cook County)
trumpetswan@comcast.net
ilmigration.blogspot.com
worldbirding.travellerspoint.com
sites.google.com/site/opbirdwalks/

 

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