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Update on WE-06-02 Space-based GOS for Weather

Update on WE-06-02 Space-based GOS for Weather. Status May 2008. Objective. Achieve a stable and improved space-based Global Observing System (GOS) including operational geostationary and polar components. Support WMO efforts related to

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Update on WE-06-02 Space-based GOS for Weather

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  1. Update on WE-06-02Space-based GOS for Weather Status May 2008

  2. Objective • Achieve a stable and improved space-based Global Observing System (GOS) including operational geostationary and polar components. Support WMO efforts related to • increased spatial and temporal resolution for geostationary imagers and sounders and • a broader availability of polar Doppler wind profiles for initial operational testing.

  3. Status of Work • Approach relevant bodies (e.g. CGMS, WMO Consultative Meeting, CEOS SIT) to review plans and needs of satellite operators in the following areas: • GEO imagers and sounders resolution and • availability of LEO Doppler wind profiles. • Based on this review, draft a comprehensive plan of action (to be reviewed, agreed upon, and implemented by, satellite operators) • Seek adoption of this plan of action at GEO Plenary

  4. Points to be highlighted • CGMS and CEOS have been involved in a review of plans and needs through a discussion on the Gap Analysis presented by WMO at the Second Workshop on Optimization and Re-design of the GOS (Geneva, June 2007). • Based on the outcome of this discussion, a “New Vision for the GOS to 2025” has been developed and submitted for discussion at CGMS-35 (November 2007), at the Consultative Meetings (January 2008) and at CEOS-SIT 21 (April 2008). The final version of the Vision paper will be endorsed by WMO’s Commission on Basic Systems in March 2009.

  5. Highlights • The following actions have been agreed by CEOS SIT 21 (Woods Hole, USA, 23-24 April 2008): • CEOS SIT and CEOS Agencies to review the WMO Vision for the Space-based GOS and identify how CEOS constellations and individual CEOS agencies’ plans will contribute to the realization of this Vision. (31/07/2008) • Confirmation of plans for geostationary hyperspectral sounders on MTG and FY-4 (end 2008), GOES-S and MTSAT –FO (at a later stage). • [WMO] to propose a plan for operational IR and MW sounding from the early morning orbit (31/12/2008) • Complete assessment of requirements needed to perform an Observing System Simulation Experiment (OSSE) to compare the operational benefits of the various Radio Occultation Sounding constellation options. (30/09/2008); [subsequently to perform such an OSSE]. • ESA ADM-Aeolus Doppler Lidar demonstration mission planned for 2009. • The outcome of these actions will be discussed at the CEOS-CGMS-WMO annual meeting to be organized in advance of CGMS and CEOS plenary meetings, and will be reported at GEO plenary.

  6. POC • Jerome LAFEUILLE • Chief, Space-based Observing Division • WMO Space Programme • Observing &Information Systems Dept. • World Meteorological Organization • E-mail: JLafeuille@wmo.int

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