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pilot balloon
- Definição1
- A small ascending balloon observed with a theodolite in order to obtain data for the computation of the speed and direction of upper-air winds.
- Fonte1
- AMERICAN METEOROLOGICAL SOCIETY. Glossary of meteorology. [S.l., última modificação 05 oct. 2015]. Disponível em: < http://glossary.ametsoc.org/wiki/Main_Page >. Acesso em: 15 mar. 2021.
- Fonte2
- KUMAR, Bharat (ed.). An illustrated dictionary of aviation. New York: McGraw-Hill, c2005. 752 p.
- Fonte3
- WORLD METEOROLOGICAL ORGANIZATION. Guide to the Global Observing System. Geneva, 2010. (WMO, n.488).
- Nota adicional1
- A small rubber balloon filled with hydrogen or helium. It ascends at a uniform and known rate (i.e., 500 ft/min). A theodolite tracks the balloon, and the wind velocity is thus determined at various levels.
- Contexto
- Some pilot-balloon calculations are now semi-automatic or automatic.
- Subárea
- Aeronautical Meteorology
- Related Term
- non-spherical captive balloon
- spherical free balloon
- Spanish
- globo piloto