5th adc meeting


Tuesday, 23 September 2008



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Tuesday, 23 September 2008
14. Review of 2008 Tasks – issue-based reports (continued)
14.5 Bryan O’Donnell presented the status of the WE-06-01, Surface-based Global Observing System for Weather
Data measurements have shifted from human based to machine based recording of data. Work is ongoing to develop specifications to account for new data recording techniques. The Expert Team updated Automatic Weather Systems (AWS) Functional Specifications, prepared draft requirements for new sensors or integration of sensors to overcome deficiencies of AWS following the migration from manual observations and developed a draft guidelines to assist in the transition from manual to automatic surface observing stations.
The AMDAR (aircraft measurements of the atmosphere) Panel is working in collaboration with manufacturers of water vapour sensors to improve the performance of the water vapour sensor technology for AMDAR. The first Ad-Hoc Steering Group meeting of the WIGOS Pilot Project for AMDAR, Geneva, July 2008 developed a strategy for enhancing the delivery of aeronautical data from AMDAR platforms to users.
Marine Observations members are invited to enhance their participation in the as soon as possible programme for providing in situ aerological profiles from ocean data sparse areas as complementary data to AMDAR.
The WMO Field Intercomparison of Rainfall Intensity Instruments in Vigna di Valle (Italy) continues. The inspection of the WMO Field Intercomparison of Thermometer Screens/Shields and Humidity Measuring Instruments in Ghardaïa (Algeria) was conducted in June. The CIMO ET/IOC UASI at its session in June 2008 considered the results of several recent international and national radiosonde tests and considered the requirements for future tests/intercomparisons of upper-air systems.


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