When you open up the radar, you expect to see where there’s rain or snow - but what about ships and birds? Although the primary use of radar is to check out different kinds of precipitation, we often ...

Migratory birds are often detected by National Weather Service Doppler radar in unique doughnut patterns known as “roost rings.” Bugs and bats can also be detected. Skip Navigation ...

Using that data from Green Bay and all the other doppler radars operated by the NWS, you can actually watch the migration at websites like BirdCast. But sifting through the data is tricky.

Migratory birds are often detected by National Weather Service Doppler radar in unique doughnut patterns known as “roost rings.” Bugs and bats can also be detected. Skip Navigation ...

Migratory birds are often detected by National Weather Service Doppler radar in unique doughnut patterns known as “roost rings.” Bugs and bats can also be detected. Skip Navigation ...

Migratory birds are often detected by National Weather Service Doppler radar in unique doughnut patterns known as “roost rings.” Bugs and bats can also be detected. Skip Navigation ...

Migratory birds are often detected by National Weather Service Doppler radar in unique doughnut patterns known as “roost rings.” Bugs and bats can also be detected. Skip Navigation ...

Migratory birds are often detected by National Weather Service Doppler radar in unique doughnut patterns known as “roost rings.” Bugs and bats can also be detected. Skip Navigation ...

Migratory birds are often detected by National Weather Service Doppler radar in unique doughnut patterns known as “roost rings.” Bugs and bats can also be detected. Skip Navigation ...

Migratory birds are often detected by National Weather Service Doppler radar in unique doughnut patterns known as “roost rings.” Bugs and bats can also be detected. Skip Navigation ...

Migratory birds are often detected by National Weather Service Doppler radar in unique doughnut patterns known as “roost rings.” Bugs and bats can also be detected. Skip Navigation ...