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AMDAR – The aircraft data source

WMO. AMDAR – The aircraft data source. Impact, Benefits & Future. 1. WMO. Data Envirnoment in Aviation: OPMET Data, WAFS. Use of ICAO – approved systems (AFTN, AFS, CIDIN, SADIS, WIFS) Move to XML/GML Based Weather Exchange Models System Wide Information System

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AMDAR – The aircraft data source

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  1. WMO AMDAR – The aircraft data source • Impact, Benefits & Future 1

  2. WMO Data Envirnoment in Aviation:OPMET Data, WAFS • Use of ICAO – approved systems (AFTN, AFS, CIDIN, SADIS, WIFS) • Move to XML/GML Based Weather Exchange Models • System Wide Information System • Cooperation CAeM-CBS in TT Aviation XML 2

  3. WMO Accuracy 3

  4. WMO Accuracy 4

  5. Data Measurement Accuracy • Pressure Altitude • Roughly 0.1% of full scale pressure measurement • Instrumental accuracy of 0.05% • Max uncertainty approx. 4 hPa • Static Air Temperature (To) • 0.44OC @ Mach 0.8 • 0.30OC @ Low Mach Rating • Additional 0.25OC at storage 5

  6. Data Measurement Accuracy • Wind Speed/Direction • 1m/s • Direction and Vector Error • 2-3 m/s • Turbulence • 3% Variation • Relative Humidity • 20% Deviation in Upper Atmosphere • Detection Limit of 0.05g/kg • 0.05g/kg Good Perfomance 6

  7. Data Quality Control • Measurement Stage • Done at time measurements are taken on board aircraft • Code Conversion Stage • Point at which measurements obtained are converted to GTS • Data Assimilation • Happens in non-real time • ID long term drift • Measurement bias • Consistent poor quality transmissions 7

  8. Data Data Management (AMDAR-DM) • Viewed in context of WMO World Weather Watch • Optimize the integration of GOS, GTS and Data-processing System • Specifications for data representation (codes, exchange formats, database design, storage of observational data) • Designing proper procedures in the area of data processing and telecommunications, allowing members appropriate sets of data. • Monitoring AMDAR operations and the quality of basic data and output products 8

  9. Current Regions • 6 Regions • I Africa • II Asia • III South America • IV N. America, C. America, Caribbean • V South-West Pacific • VI Europe • 38 Participating airlines • 10 national & regional AMDAR Programmes 9

  10. Current 10

  11. Current 11

  12. Current 12

  13. 13

  14. Current 14

  15. Current 15

  16. Current 16

  17. Current Adjoint-based Observation Impact Analysis from the European Centre 17

  18. Current 18

  19. Target Where? • I Africa • III South America • IV N. America, C. America, Caribbean 19

  20. Target Caribbean ACARS Equipped Aircraft in Caribbean: 55 20

  21. Target Africa ACARS Equipped Aircraft in Africa: 264 21

  22. TARGET Why? • Easterly Wave • Deep Convection • Tropical Cyclones • Wind Shear • Global Circulation • Moisture Budget • Atmospheric Stability 22

  23. TARGET Why? • Forecasting • Improve available data for National and Regional NWP projects (SWFDP) • Sustainability of AMDAR data • Contribute on a global scale • Climate Monitoring • Closely monitor climate variability and change • Improved analysis of high-impact weather phenomena • Linkage observations - HI Weather • Triggers of significant events • Typical onset conditions of severe weather 23

  24. ECONOMIC TARGET • Timely Warning Systems • Severe and Extreme Weather • Aviation • Flight Planning / Efficiency • Regularity • Agriculture • Food security • Flood, Drought • Anomalous season changes • Societal Benefits • Protection of lives & property • Improved planning particularly in vulnerable areas 24

  25. Moving Forward... • Proposed Industry Partners • Airbus, Boeing, Embraer, Bombardier, AirDat LLC, SITA, ARINC, Teldyne Systems, Honeywell, SpectraSensor Incorporated • Proposed Organization Partners • NOAA, EUMETNET, FAA, EUROCONTROL • Proposed Funding Partners • World Banks, African Development Bank, Green Fund, UNDP, UNEP, IDB (Brazil) 25

  26. Moving Forward... (Possibly add something here about getting all the involved parties to work together and advance the project as we had mentioned in your office) 26

  27. AMDAR • Impact, Benefit & Future 27 www.wmo.int

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