Aircraft-Based Observations Data Statistics

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Contents Links
  1. Historical Monthly Reports on the GTS
  2. Last Month Geographical
  3. Global Coverage
  4. Statistics from Other Centres

Reports on the GTS

Historical Monthly Data Volumes on WIS

See reports below:

  • Report 1: monthly mean daily volumes of aircraft-based observations by data source and by program back to 2007
  • Report 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
  • Report 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

AllAllAll

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.

30 November 2021

Most recent coverage maps

31 July 202131 August 2020
31 May 202130 June 2020
31 March 20214 May 2020
31 January 202131 January 2020
31 October 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 202128 June 2020
24 January 202129 March 2020
29 November 20201 December 2019

Older

Valid
Profiles Produced
Global
Americas
Europe
SW Pacific
Africa

MidEast/

Asia

2 Jul 2017
93403 soundings at 579 airports
 
 
27 Mar 2016
90284 soundings at 550 airports
 
 
17 May 2015
79231 soundings at 542 airports
 
 
 
 
 
26 Apr 2015
78257 soundings at 467
 
 
 
 
 
26 Oct 2014
66791 soundings at 540 airports
26 Jan 2014
39990 soundings at 528 airports
15 Sep 2013
48699 profiles at 529 airports

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