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actual time of observation
Definição1
(1) The time at which the barometer is read when a surface synoptic observation is taken. (2) The time at which the balloon, parachute or rocket is actually released when an upper-air observation is made.
Fonte1
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: 26 jan. 2022.
Fonte2
WORLD METEOROLOGICAL ORGANIZATION. Technical regulations: basic documents No. 2. Volume II – Meteorological Service for International Air Navigation. Geneva, 2018. (WMO, n.49).
Fonte3
ESTADOS UNIDOS. National Weather Service. Training guide in surface weather observations. Maryland: U.S. Department of Commerce, may 1998.
Nota Adicional1
The actual time of a METAR report is the time the last element of the observation was observed.
Contexto
METAR should be filed for transmission not later than five minutes after the actual time of observation.
Subárea
Meteorology
Related Term
standard time of observation
Français
heure réelle d'observation