Contact: Gisela E. Speidel
University of Hawaii ‑ SOEST
Caption: This image shows a weather balloon on its voyage to the upper atmosphere. Launched once or twice a day from stations throughout the world, balloons are used to measure wind speed and direction up to 19 miles high.
Credit: Cliff Lawson, Radiosonde Museum.
Usage Restrictions: According to the policies of the Radiosonde Museum.
Related news release: The tropical upper atmosphere 'fingerprint' of global warming