Abstract: A vibrating wire placed in the humidity duct of a standard U.S. rawinsonde is used to measure vertical profiles of the concentration of supercooled liquid water in clouds. The natural frequency of vibration varies according ...

Abstract: A vertical motion sensor based upon radiosonde instrumentation is developed for use in measuring disturbances with vertical velocities typically exceeding about 10 cm s?1. The sensor is carried aloft by balloon and released ...