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Status of the VOS Scheme & PMO Network

Status of the VOS Scheme & PMO Network. PMO-III, 23-24 March 2006, Hamburg, Germany. Julie Fletcher Manager Marine Observations, NZ Chair, VOS Panel. Global VOS. Total number VOS ships Dec 2005 = 5429 (Sel 3482, Supp 908, Aux 888, Other 151) Number of VOSClim ships = 136

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Status of the VOS Scheme & PMO Network

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  1. Status of the VOS Scheme & PMO Network PMO-III, 23-24 March 2006, Hamburg, Germany. Julie Fletcher Manager Marine Observations, NZ Chair, VOS Panel

  2. Global VOS • Total number VOS ships Dec 2005 = 5429 (Sel 3482, Supp 908, Aux 888, Other 151) • Number of VOSClim ships = 136 • Number of Countries with VOS Fleet = 53

  3. Global VOS Numbers

  4. VOS Numbers • Counts taken from last quarter (Dec 2005) Pub 47 • Numbers only as good as the submissions made by NMS • WMO advises that many countries, including some with large VOS fleets have not sent updates for some time, and there are some duplicate entries, where the same ship is listed on the VOS of more than one country.

  5. BBXX in January 2006

  6. Number of BBXX Obs in 2005 • Total number of BBXX messages in 2005 = 2,666,443 approx 220,000 BBXX/month • Numbers from MeteoFrance - ‘Obs counters’ • EUCOS ships (10 countries) 525,255 • Non EUCOS (17 countries) 350,687 • Unknown ships 177,992 • BBXX Total from ships 1,053,934 • ODAS observations 1,612,509

  7. TOR for All VOS

  8. PMO Network • 34 Countries with PMOs (from VOS FP List) • Total of 108 PMO + HQ people listed • Gaps in coverage in Central & Western South America and Brazil, Italy, Spain, West Africa and China (except Hong Kong) • Trend shows declining numbers of PMOs

  9. VOS Automation Steady increase in use of electronic logbooks since 2003 Use of Electronic Logbooks Numbers of Automated Systems growing slowly Automated Observing Shipboard Systems Lack of long term stability, difficulty in siting instruments for best exposure, possible loss of AWS with ship withdrawal and cost of AWS all are challenges to increased automation

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