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," ...
A method of measuring wind velocities by a dual beam modification to conventional (non-Doppler) radars is described. The two beams are disposed slightly to either side of the antenna bore-sight axis.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback