Doppler radars are capable of tracking more than just meteorological targets. The radar beam can pick up on non-meteorological targets as well, such as birds. Skip to content ...

Beginning around the middle of summer, curious expanding doughnut patterns often appear just before sunrise on NWS Wilmington, Ohio's Doppler radar imagery. These features, known as "roost rings ...

ST. PETERSBURG, Fla. -- When a unique feature pops up on Doppler radar and there's no significant precipitation around, what could possibly be going on? 10News meteorologist Grant Gilmore noticed ...

It is known as a "roost ring," and it was detected along the Kankakee River in Northwest Indiana on Tuesday around 5 a.m. ... which are often detected by NWS Doppler radar.