Report of the IBPIO - World Meteorological Organization · 2016. 6. 28. · Report of the IBPIO....

International Buoy Programme for the Indian Ocean ~ an Action Group of the Data Buoy Cooperation Panel ~

Report of the IBPIOReport of the IBPIO 2007/08 Intersessional Period

Presented to DBCP-XXIV13-16 October 2008, Cape Town, Republic of South Africa

Graeme BallChairman IBPIO

with contributions from Jean Rolland, Michel Trémant and Pierre Blouch

13-16 October, 2008 2007/08 Intersessional Report of the IBPIO 2

Outline

• Members, Meetings & Committee

• Program Review & Plans

• Network Status

• Performance Monitoring

• Discussion & Recommendations


Members, Meetings & Committee


Members of the IBPIO

AGENCY JOINED

Australian Bureau of Meteorology (ABOM) 1997

Global Drifter Center, NOAA/AOML, USA (GDC) 1997

Météo France (MF) 1997

National Institute of Oceanography, India (NIO) 1997

South African Weather Service (SAWS) 1997

National Institute of Ocean Technology, India (NIOT) 2001

Navoceano, USA (NAVO) 2001

Eduardo Mondlane University, Mozambique (EMU) 2007

Tropical Moored Buoy Implementation Panel (TIP) 2007

Kenya Meteorological Department (KMD) 2008

Indian National Centre for Ocean Information Services (INCOIS) 2008

Malaysian Meteorological Department (MMD) EOI

Mauritius Meteorological Service (MMS) EOI


IBPIO-XI (Cape Town, 2008)


Programme Review & Plans


Rescale table to 77%(12.85 cm x 18.73 cm)

3.3 (H) & 3.73 (V)

Programme Review


Drifting Buoy Deployments by Type

0

20

40

60

80

100

120

140

160

180

200

1996

-97

1997

-9819

98-99

1999

-00

2000

-0120

01-02

2002

-03

2003

-0420

04-05

2005

-06

2006

-0720

07-08

Nb

of b

uoys

Others

FGGE-W

FGGE

SVP-BW

SVP-B

SVP

Includes Iridium PP buoys2 – ABOM3 – Météo France

11 – INCOIS


Drifting Buoy Contributions to IBPIO

0

20

40

60

80

100

120

140

160

180

200

1996

-9719

97-98

1998

-9919

99-00

2000

-0120

01-02

2002

-0320

03-04

2004

-0520

05-06

2006

-0720

07-08

Nb

of b

uoys

Others

Upgrades

GDC

AU 8

FR 26


Drifting Buoy Contributions by Others

0

10

20

30

40

50

60

70

80

1996

-9719

97-98

1998

-9919

99-00

2000

-0120

01-02

2002

-0320

03-04

2004

-0520

05-06

2006

-0720

07-08

Nb

of b

uoys

OthersSAWSNavoNIOM-FBoM


2007/2008 Drifting Buoy Deployment Locations


Rescale table to 77%(12.85 cm x 18.73 cm)

3.3 (H) & 3.73 (V)

Programme Plans

Iridium


Network Status


Rescale map to 74%(12.66 cm x 22.12 cm)

1.59 (H) & 3.73 (V)

Map particulars

Scale: 74%

Size: 12.66 x 22.12

Posn: 1.59, 3.73

Global Buoy Network

IBPIO area of interest


Operational Drifting Buoys

Agency SST AP Wind

ABOM - 14 1

GDC 50 79* -

SAWS 1 0 -

MF - - -

NIO - 10 -

INCOIS 0 2 -

Total 51 105 1

* Includes upgrades

(as at 31 August 2008)


Network Growth (Drifting Buoys)

0

20

40

60

80

100

120

140

160

180

200

sep-96 sep-97 sep-98 sep-99 sep-00 sep-01 sep-02 sep-03 sep-04 sep-05 sep-06 sep-07

Act

ive

buoy

s

SST onlyAir Press.Wind


Number of Operational MSLP Buoys

IBPIO drifting buoys - Data availabilityMean number of operational buoys (MSLP)

0

20

40

60

80

100

120

140

janv-0

2mai-

02se

pt-02

janv-0

3mai-

03se

pt-03

janv-0

4mai-

04se

pt-04

janv-0

5mai-

05se

pt-05

janv-0

6mai-

06se

pt-06

janv-0

7mai-

07se

pt-07

janv-0

8mai-

08

Num

ber o

f of b

uoys


SST onlyAir PressureWind

Drifting Buoy Trajectories

Aug 2008Aug 2005


Performance Monitoring


Data Availability (Drifting Buoys)

IBPIO drifting buoys - Data availabilityAverage number of hourly MSLP values per day

0

500

1000

1500

2000

2500

3000

janv-0

2mai-

02se

pt-02

janv-0

3mai-

03se

pt-03

janv-0

4mai-

04se

pt-04

janv-0

5mai-

05se

pt-05

janv-0

6mai-

06se

pt-06

janv-0

7mai-

07se

pt-07

janv-0

8mai-

08

Num

ber o

f dai

ly o

bs.

Total <100 min < 50 min


Data Timeliness (Drifting Buoys)

IBPIO drifting buoys - Data timelinessPercentage of data arrived within 50 minutes

0

10

20

30

40

50

60

70

80

90

100

janv-0

2mai-

02se

pt-02

janv-0

3mai-

03se

pt-03

janv-0

4mai-

04se

pt-04

janv-0

5mai-

05se

pt-05

janv-0

6mai-

06se

pt-06

janv-0

7mai-

07se

pt-07

janv-0

8mai-

08

Perc

ent


Data Timeliness Comparison (Drifting Buoys)

Data timeliness - Percentage of drifting buoys dataarrived within 100 minutes

0

10

20

30

40

50

60

70

80

90

janv-0

2mai-

02se

pt-02

janv-0

3mai-

03se

pt-03

janv-0

4mai-

04se

pt-04

janv-0

5mai-

05se

pt-05

janv-0

6mai-

06se

pt-06

janv-0

7mai-

07se

pt-07

janv-0

8mai-

08

EGOS-EUCOS

IBPIO


Gross Errors (Drifting Buoys)

IBPIO drifting buoys - Data qualityGross Errors of differences with the French model outputs

0,0

0,5

1,0

1,5

2,0

2,5

3,0

janv-0

2mai-

02se

pt-02

janv-0

3mai-

03se

pt-03

janv-0

4mai-

04se

pt-04

janv-0

5mai-

05se

pt-05

janv-0

6mai-

06se

pt-06

janv-0

7mai-

07se

pt-07

janv-0

8mai-

08

Perc

ent


MSLP RMS Errors (Drifting Buoys)

IBPIO drifting buoys - Data qualityRMS of differences with the French model outputs

0,0

0,2

0,4

0,6

0,8

1,0

1,2

1,4

1,6

1,8

2,0

2,2

janv-0

2mai-

02se

pt-02

janv-0

3mai-

03se

pt-03

janv-0

4mai-

04se

pt-04

janv-0

5mai-

05se

pt-05

janv-0

6mai-

06se

pt-06

janv-0

7mai-

07se

pt-07

janv-0

8mai-

08hP

a


Data Availability (NIOT)

NIOT moored buoys - Data availabilityAverage number of hourly MSLP values per day

0

20

40

60

80

100

120

janv-0

2mai-

02se

pt-02

janv-0

3mai-

03se

pt-03

janv-0

4mai-

04se

pt-04

janv-0

5mai-

05se

pt-05

janv-0

6mai-

06se

pt-06

janv-0

7mai-

07se

pt-07

janv-0

8mai-

08

Num

ber o

f dai

ly o

bs.

Total <100 min < 50 min


Value of Buoy Observations

Mean daily pressure data availability index (Aug 2008)

(top #): 100 = 8 obs (SHIP & BUOY) per day per 500 km x 500 km.

(bottom #): Percentage of BUOY reports


Tropical Cyclone Kamba

Buoy WMO 33520 and Cyclone KambaIndian Ocean - March 2008

975

980

985

990

995

1000

1005

1010

1015

1020

01/03/2008 03/03/2008 05/03/2008 07/03/2008 09/03/2008 11/03/2008 13/03/2008 15/03/2008 17/03/2008


Discussion & Recommendations


Concerns About Data Timeliness

• IBPIO-XI expressed concerns about the delays in the Indian Ocean, particularly in the months July-Sept 2008: » There were delays affecting moored and drifting buoys transmitting

by INMARSAT via the Indian GTS Node, which have since improved.

» Other drifting buoys in the region transmitting via Argos had been affected by a problem with the Argos Antenna (Hyderabad).


Recommendation to DBCP-XXIV

1. That CLS reduce the delays in the region by both improving the performance of the existing antenna and enhancing the network. (Action CLS)

2. The panel to be informed about how well the region will be served by the new Argos-3 system in coming years. (Action CLS, DBCP TC)

Report of the IBPIO - World Meteorological Organization · 2016. 6. 28. · Report of the IBPIO....

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