ADDS - Aviation Digital Data Service
METAR Quality Control Flag Description
Quality control flags provide useful information on the METAR station sensors. Please see the
Federal Meteorological Handbook (FMH-1) for more information.
The table below describes the available values that
the dataserver can provide:
Reported Value Name
|| Corresponding description
|| Fully automated
|| Indicates that the automated station type is one of the following:
NOTE: The type of station is not returned. This simply indicates
that this station is one of the six stations enumerated above.
|| Maintenance check indicator - maintenance is needed
|| No signal
|| The lightning detection sensor is not operating- thunderstorm information
is not available.
|| The freezing rain sensor is not operating
|| The present weather sensor is not operating