What's the weather?
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Abstract
Air temperature, barometric pressure, and humidity in the upper atmosphere can be measured by instruments inside a radio sound box that is carried into the air by balloon. The measurements are carried back to earth by a radio transmitter in the box. Radar is used to track hurricanes and tornadoes through a network of weather stations throughout the United States. These data are used to provide early warning to residents that are in the paths of tornadoes and hurricanes.