an instrument containing weather equipment that is dropped by the planes into the center of circulation to obtain surface conditions
a parachute-born weather sensing canister which, as it falls to the surface of the ocean, radios back to the weather aircraft the temperature, humidity, pressure and winds inside the storm
a small, round tube that is dropped into the eye of the hurricane
a specialized meteorological word for a weather balloon radiosonde that is dropped by parachute, usually from a plane, but sometimes lofted by a balloon
A modified radiosonde package that is dropped by parachute from an aircraft to obtain temperature, pressure, and humidity profiles of the atmosphere below flight level; often used by aircraft weather reconnaissance of hurricanes.
(Also called parachute radiosonde.) A radiosonde with a parachute dropped from an airplane carrying receiving equipment for the purpose of obtaining an upper-air sounding during descent.
A radiosonde dropped with a parachute from an aircraft rather than lifted by a balloon to measure the atmosphere below.