BIRD CAST from Cornell Ornithology

MIGRATION TOOLS

ACTIVEForecasting ends Nov 15, 2021

How fun is this! Cornell offers a migration forecasting tool for the annual bird migrations. The 2021 Fall Migration is ongoing and these interactive maps offer an image of data collected from radar that also forecasts the weather. Each map below is current and provides a slightly different piece of data for the next three days (and nights). You can find the maps on the CORNELL SITE Here!

It appears the peak evening thus far was Sept 8, 2021, with 1/2 a billion birds in flight. Just look at how intense the migration was over the Mississippi River!!!!

FORECAST AND ANALYSISA picture is worth 500 million birdsBy Andrew Farnsworth The Cornell Lab Sep 08, 2021

The BirdCast forecast model predicts just over half a billion birds to be flying during peak flight hours tonight! Turn out your lights! Go birding! 

Bird migration forecast maps

 Learn more

Forecast map: Day 1
Forecast map: Day 2
Forecast map: Day 3

Local bird migration alerts Click and enter a city name to get local alerts!

Forecast map: Day 3

Local bird migration alerts

Search with our local migration alert tool to determine whether birds are passing overhead near your city tonight!  Learn more

Live bird migration maps

See real-time analysis maps of intensities of actual nocturnal bird migration, as detected by the US weather surveillance radar network between local sunset to sunrise. Cornell Lab of Ornithology currently produces these maps. Play live bird migration maps

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