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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