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DBCP Monthly Report July 2016
Prepared By
DBCP Technical Coordinator
cgallage@jcommops.org
2
DBCP Platforms Operational During July 2016
Platform Operators
Platforms Measuring Barometric Pressure
Growth of the Networks
1450
869
433
0
500
1000
1500
2000
Nu
mb
er
of
Bu
oy
s
Number of operational buoys reporting on the GTS (2001/06 - 2016/07)
DRIFTERS BAROMETER DRIFTERS MOORINGS DRIFTING BUOY TARGET
Platforms Providing Wave Observations
Timeliness of Data Delivery – Drifting Buoys
Country Contribution in Drifting Buoy Deployments
Platforms in Polar Regions
Density of Drifting Buoys in 50X50 Grid
Observations Density of Drifting Buoys in 50X50 Grid
Based on expected number of obs. per buoy per months =(24*30)=720 observations
New Deployments and Lost Buoys
Network Performance – July 2016 Drifting Buoys
% coverage of 50X50 boxes( excluding marginal seas and 600N<latitude<600S areas) 57.43%
Number of active drifting buoys reporting (excluding polar regions) 1323
Number of drifters deployed during the month 25
% of drifters delivering data in real-time (average monthly delay <60minutes , excluding
buoys in polar regions ) 59.17%
% of active drifters delivering air pressure data to the GTS (excluding polar regions) 58.98%
National/Coastal Moored Buoys
# of active moored buoys reporting data to the GTS 337
% of active moored buoys with metadata available in JCOMMOPS 73.0%
Number of countries operating moored buoys 13
Variables disseminated to the GTS
Atmospheric variables (AT, AP, WD, WS each with25% weight) 71.6%
Wave observations 84.6%
Oceanographic variables (SST-50%, SubC-25%, SubT-25%) 44.6%
% Network data availability 66.9%
Based on the GTS information received from MeteoFrance . This information available on http://www.jcommops.org/board?t=DBCP
Network Performance – July 2016
Arctic Buoys
# of active platforms reporting data to the GTS (North of 600N) 95
% of active platforms delivering data in real-time (average monthly delay
<60minutes) 92.6 %
% of active platforms delivering air pressure data to the GTS 88.3%
Antarctic Buoys
# of active platforms reporting data to the GTS (South of 500S) 117
% of active platforms delivering data in real-time (average monthly delay
<60minutes) 54.3%
% of active platforms delivering air pressure data to the GTS 72.13%
Based on the GTS information received from MeteoFrance . This information available on http://www.jcommops.org/board?t=DBCP
GTS Data delivery format
• As of July 2016
– Almost 100 % drifting buoys provide data to the GTS in BUFR format (one drifter reports only in TAC)
– 34 % of moored buoys (Tropical and Coastal/National MB) provide data to the GTS in BUFR format
66%
8%
26%
Moored buoys reporting in BUFR/TAC - July 2016
TAC Only
BUFR Only
TAC/BUFR
0%
14%
86%
Drifting buoys reporting in BUFR/TAC - July 2016
TAC Only
BUFR Only
TAC/BUFR
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