parachute weather buoy

parachute weather buoy

[′par·ə‚shüt ′weth·ər ‚bȯi]
(engineering)
A general-purpose automatic weather station which can be air-dropped; it is 10 feet (3 meters) long and 22 inches (56 centimeters) in diameter, and is designed to operate for 2 months on a 6-hourly schedule, transmitting station identification, wind speed, wind direction, barometric pressure, air temperature, and sea-water temperature.