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cloud sheet
- Definição1
- Particular arrangement of clouds forming a continuous and relatively thin layer of great horizontal extent.
- 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: 23 fev. 2022.
- Fonte2
- WORLD METEOROLOGICAL ORGANIZATION. Guide to meteorological instruments and methods of observation. Geneva, 2012. (WMO, n.8).
- Contexto
- A most difficult case, calling for great care and skill, occurs when a sheet of Altostratus has covered the sky during the evening. Any gradual lowering of such a cloud sheet may be very difficult to detect but, as it descends, the base is rarely quite uniform and small contrasts can often be discerned on all but the darkest nights.
- Subárea
- Aeronautical Meteorology
- Français
- nappe de nuages