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A weather balloon, also known as a sounding balloon, is a balloon (specifically a type of high-altitude balloon) that carries instruments to the stratosphere to send back information on atmospheric pressure, temperature, humidity and wind speed by means of a small, expendable measuring device called a radiosonde.
The BLAST high-altitude balloon just before launch on June 12, 2005. High-altitude balloons or stratostats are usually uncrewed balloons typically filled with helium or hydrogen and released into the stratosphere, generally attaining between 18 and 37 km (11 and 23 mi; 59,000 and 121,000 ft) above sea level.
Synchronized weather balloon launches have helped meteorologists create forecasts over the past 150 years, and now the old tradition is going high tech. Twice a day - every day of the year ...
Experts noted that weather balloons typically are about 20 feet (6 m) wide, less than a quarter of the balloon's diameter. [66] [10] Those interviewed by BBC News said it was unusual for weather balloons to last as long as the one involved in the incident and that the balloon "might have been more sophisticated than China claims". [67]
Ben Miller, the center’s director, tells CNN that balloons could provide a connectivity solution, adding that it is currently involved in a project with another high-altitude balloon company ...
Synchronized weather balloon launches have helped meteorologists create forecasts over the past 150 years, and now the old tradition is going high tech. Sensors beam data back down to Earth every ...
A high-altitude balloon floats over Billings, Mont., on Wednesday, Feb. 1, 2023. The U.S. is tracking a suspected Chinese surveillance balloon that has been spotted over U.S. airspace for a couple ...
Rain and wet snow may slow the ascent of the balloon, giving a falsely high ceiling and high winds and poor visibility may cause the balloon to appear to enter the cloud before it actually does. As the balloon rises at a rate of 140 m/min (460 ft/min) it will take over five minutes for the balloon to reach 700 m (2300 ft).
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