...
Below are plots of radiosonde/SYNOP BUFR coverage for 1-5 August 2014 - reports as decoded at ECMWF, some reports not in standard BUFR are not decoded.
Radiosonde coverage (, about 45% of stations report in BUFR, but most - (apart from the dark blue stations in the plot - ) report reformatted TEMP , (see "structure" page):. Reports may be incomplete (eg data above 100 hPa missing).
(Grey: TAC reports but no BUFR, Purple: BUFR reports but no TAC, Red *: position error. Light/dark blue indicates low/high vertical resolution BUFR data).
(BUFR-only reports from 76903 in Mexico, 04405 - should be 76405, 04692 - should be 76692 and 17516 - duplicate of 17607?)
Synop Surface coverage (, over 60% of stations report in BUFR):
(Grey: TAC reports but no BUFR, GreenPurple: BUFR reports but no TAC, Red *: position error. Light/dark blue indicates that there are less/more than 60% of the reports available in BUFR.)
...