Aircraft Meteorological Data Relay

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Aircraft Meteorological Data Relay (AMDAR) is a program initiated by the World Meteorological Organization. AMDAR is used to collect meteorological data worldwide by using commercial aircraft.

Data are collected by the aircraft navigation systems and the onboard standard temperature and static pressure probes. The data are then preprocessed before linking them down to the ground either via VHF communication (ACARS) or via satellite link ASDAR.

A detailed description is given in the AMDAR Reference Manual (WMO-No 958) available form the World Meteorological Organization, Geneva, Switzerland.

[edit] Usage

AMDAR transmissions are most commonly used in forecast models as a supplement to radiosonde data, to aid in the plotting of upper-air data between the standard radiosonde soundings at 00Z and 12Z.

[edit] See also

AIREP
PIREP
ACARS
RECCO

[edit] External links

NOAA AMDAR site

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Earth-based meteorological equipment and instrumentation

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v • d • e Earth-based meteorological observation systems and weather stations

General	Aircraft report (AIREP) · Automatic weather station (AWS) · Automated airport weather station · Dropsonde · Hurricane Hunters · Meteorological Aerodrome Report (METAR) · Pilot report (PIREP) · SST buoys · Tide gauge · Weather balloon · Weather buoy · Weather ship

By region

Worldwide	Argo · Global Atmosphere Watch (GAW) · Aircraft Communication Addressing and Reporting System (ACARS) · Aircraft Meteorological Data Relay (AMDAR) · Global Sea Level Observing System (GLOSS)

USA	Citizens Weather Observer Program (CWOP) · Coastal-Marine Automated Network (C-MAN) · NEXRAD radar · Remote Automated Weather Station (RAWS) · Tropospheric Airborne Meteorological Data Reporting (TAMDAR)