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