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UP
Usado para
unidentified precipitation
Definição1
In automated local routine and special reports and METAR and SPECI, in addition to the precipitation types listed under 4.4.2.3 (a) above, the abbreviation UP should be used for unidentified precipitation when the type of precipitation cannot be identified by the automatic observing system.
Fonte1
WORLD METEOROLOGICAL ORGANIZATION. Technical regulations: basic documents No. 2. Volume II – Meteorological Service for International Air Navigation. Geneva, 2018. (WMO, n.49).
Português
precipitação não identificada