5. Growth of the Networks
0
500
1000
1500
2000
NumberofBuoys
Number of operational buoys reporting on the GTS (2001/06 - 20016/06)
DRIFTERS BAROMETER DRIFTERS MOORINGS
12. Network Performance – June 2016
Drifting Buoys
% coverage of 50
X50
boxes( excluding marginal seas and 600
N<latitude<600
S areas) 56.8%
Number of active drifting buoys reporting (excluding polar regions) 1376
Number of drifters deployed during the month 67
% of drifters delivering data in real-time (average monthly delay <60minutes , excluding
buoys in polar regions )
44.8%
% of active drifters delivering air pressure data to the GTS (excluding polar regions) 56.5%
National/Coastal Moored Buoys
# of active moored buoys reporting data to the GTS 333
% of active moored buoys with metadata available in JCOMMOPS 58.3%
Number of countries operating moored buoys 11
Variables disseminated to the GTS
Atmospheric variables (AT, AP, WD, WS each with25% weight) 70.7%
Wave observations 83.8%
Oceanographic variables (SST-50%, SubC-25%, SubT-25%) 45.7%
% Network data availability 66.7%
Based on the GTS information from March 2016 received from MeteoFrance
13. Network Performance – June 2016
Arctic Buoys
# of active platforms reporting data to the GTS (North of 600
N) 88
% of active platforms delivering data in real-time (average monthly delay
<60minutes)
95.5 %
% of active platforms delivering air pressure data to the GTS 86.4 %
Antarctic Buoys
# of active platforms reporting data to the GTS (South of 500
S) 119
% of active platforms delivering data in real-time (average monthly delay
<60minutes)
40.3%
% of active platforms delivering air pressure data to the GTS 68.1%
14. GTS Data delivery format
• As of June 2016
– Almost 100 % drifting buoys provide data to the GTS in BUFR format (one drifter
reports only in TAC)
– 33 % of moored buoys (Tropical and Coastal/National MB) provide data to the
GTS in BUFR format
67%
7%
26%
Moored buoys reporting in BUFR/TAC - June 2016
TAC Only
BUFR Only
TAC/BUFR
0%
13%
87%
Drifting buoys reporting in BUFR/TAC - June 2016
TAC Only
BUFR Only
TAC/BUFR