Aircraft-Based Observations Data Statistics

Contents   Links
  1. Historical Monthly Reports on the GTS

  2. Last Month Geographical

  3. Global Coverage

  4. Statistics from Other Centres

Aircraft Image

Reports on the GTS

Historical Monthly Data Volumes on WIS (Updated to end-September, 2021)

See reports below:

  • Report 1: monthly mean daily volumes of aircraft-based observations by data source and by program back to 2007
  • Reports 2: monthly mean daily volumes of aircraft-based observations by region back to 2007
  • Report 3: monthly mean daily volumes of aircraft-based observations by data source and by program back to 2018
  • Reports 4: monthly mean daily volumes of aircraft-based observations by region back to 2018

The direct link to the fully interactive report  is here.

[Courtesy of the Canadian Meteorological Centre]

Recent month, geographically by format type (Updated to July 2021)

All Levels

Surface-701hPa

12-month % Change

All All All

 

Global Coverage

Horizontal Coverage

The following 24-hour coverage maps provide an indication only of the global aircraft-based observations coverage and are provided courtesy of the NOAA/ESRL/GSD AMDAR Data Display.

31 July 2021

24hr coverage 31 July 2021

Most recent coverage maps

31 May 2021 31 August 2020
31 March 2021 30 June 2020
31 January 2021 4 May 2020
31 October 2020 31 January 2020

Selected coverage maps dating back to June 2006 and including the above are available at the WMO Sharepoint here.

Vertical Profile Coverage

Vertical profile coverage maps are derived from the NOAA, Earth Systems Research Laboratories, Global Systems Laboratory, AMDAR database and website, based on weekly averaged daily vertical profile statistics.

Recent

25 July 2021 28 June 2020
24 January 2021 29 March 2020
29 November 2020 1 December 2019

Older

Valid
Profiles Produced
Global
Americas
Europe
SW Pacific
Africa

MidEast/

Asia

2 Jul 2017
93403 soundings at 579 airports
Global profiles 2 Jul 2017
Profiles Americs 2 Jul 2017
 
Profiles Europe 2 Jul 2017
Profiles SW Pacific 2 Jul 2017
Profiles Africa 2 Jul 2017
 

Profiles Asia 2 Jul 2017

27 Mar 2016
90284 soundings at 550 airports
Profile Coverage 27 Mar 2016
Profile Coverage 27 Mar 2016
Profile Coverage 27 Mar 2016
Profile Coverage 27 Mar 2016
 
Profile Coverage 27 Mar 2016
 

Profile Coverage 27 Mar 2016

17 May 2015
79231 soundings at 542 airports
Vertcial Profile Coverage
 
 
 
 
 
26 Apr 2015
78257 soundings at 467
Vertical Profile Coverage
 
 
 
 
 
26 Oct 2014
66791 soundings at 540 airports
Vertical Profile Coverage
Vertical Profile Coverage
Vertical Profile Coverage
Vertical Profile Coverage
Vertical Profile Coverage
Vertical Profile Coverage
26 Jan 2014
39990 soundings at 528 airports
Global Profiles 26 Jan 2014
AMDAR Profiles Americas 26 Jan 2014
AMDAR Profiles Europe Jan 2014
AMDAR Profiles SW Pacific Jan 2014
AMDAR Profiles Africa Jan 2014
AMDAR Profiles Mid-East/Asia Jan 2014
15 Sep 2013
48699 profiles at 529 airports
Global Profiles Sep 2013
Global Profiles Sep 2013 Americas
Global Profiles Sep 2013 Europe
Global Profiles Sep 2013 SW Pacific
Global Profiles Sep 2013 Africa
Global Profiles Sep 2013 ME Asia

Notes

  • Colours:
    • Yellow = less than 1 profile per day
    • Green = 1-7 profiles per day
    • Blue = 8-24 profiles per day
    • Purple = greater than 24 profiles per day
  • Statistics are based on weekly profiles ingested by NOAA/ESRL/GSD for 7 days starting from the valid date.

Aircraft-based Observations Statistics From Other Centres