Abstract: The radar cross sections of particles grown in a hail tunnel (ice spheres with a spongy ice shell) and snow spheres dipped in water (spongy ice throughout) were measured at wavelengths of 3.21 cm, 4.67 cm, and 10 cm. The ...

Abstract: A wind tunnel investigation was carried out to study the crystallographic orientation and the size of individual crystals grown from accreted droplets on slowly rotating cylinders. The experiments covered dry and wet growth, ...