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cyclone
Sinônimos
depression
low
low-pressure area
Definição1
A severe weather system with low central pressure. In the fully matured stage, it develops an eye at the center where there is no weather. The eye is surrounded by an inner circle of intense winds and rotating cloud mass. Around the inner circle is the outer circle, which has less fierce weather. The diameter of a cyclone can extend up to 320 miles (500 km).
Fonte1
KUMAR, Bharat (ed.). An illustrated dictionary of aviation. New York: McGraw-Hill, c2005. 752 p.
Definição2
Region of the atmosphere in which the pressures are lower than those of the surrounding region at the same level. It is represented on a synoptic chart by a system of isobars at a specified altitude level (or a system of contours at a specified pressure level) which enclose relatively low values of pressure (or altitude).
Fonte2
WORLD METEOROLOGICAL ORGANIZATION. International Meteorological vocabulary. 2nd ed. Geneva, 1992. (WMO, n.182). Disponível em: < https://library.wmo.int/index.php?lvl=notice_display&id=220#.XeauGOhKiUk >. Acesso em: 18 fev. 2020.
Nota adicional1
All cyclones are given names by the World Meteorological Organization (WMO).
Subárea1
Aeronautical Meteorology
Related Term
anticyclone
Português
ciclone