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Earth Observing System, Weather and Climate
- Environmental Satellites: NOAA Needs to Ensure Its Timelines Are Accurate, Clear, and Fully Documented, GAO-16-767, September 8, 2016
- Polar Satellites: NOAA Faces Challenges and Uncertainties that Could Affect the Availability of Critical Weather Data, GAO-16-773T, July 7, 2016
- Polar Weather Satellites: NOAA Is Working to Ensure Continuity but Needs to Quickly Address Information Security Weaknesses and Future Program Uncertainties, GAO-16-359, May 17, 2016
- Environmental Satellites: Launch Delayed; NOAA Faces Key Decisions on Timing of Future Satellites, by David A. Powner, director, information technology management issues, before the Subcommittees on Environment and Oversight, House Committee on Science, Space, and Technology. GAO-16-143T, December 10, 2015
- Environmental Satellites: Improvements Needed in NOAA's Mitigation Strategies as It Prepares for Potential Satellite Coverage Gaps, by David A. Powner, director, information technology management issues, before the Subcommittees on Environment and Oversight, House Committee on Science, Space, and Technology, GAO-15-386T, February 12, 2015
- Polar Weather Satellites: NOAA Needs To Prepare for Near-term Data Gaps, GAO-15-47, December 16, 2014
- Environmental Satellites: Focused Attention Needed to Improve Mitigation Strategies for Satellite Coverage Gaps, by David A. Powner, director, information technology management issues, before the Subcommittees on Environment and Oversight, House Committee on Science, Space, and Technology, GAO-13-865T, September 19, 2013
- Geostationary Weather Satellites: Progress Made, but Weaknesses in Scheduling, Contingency Planning, and Communicating with Users Need to Be Addressed, GAO-13-597, September 9, 2013
- Polar Weather Satellites: NOAA Identified Ways to Mitigate Data Gaps, but Contingency Plans and Schedules Require Further Attention, GAO-13-676, September 11, 2013
- Environmental Satellites: Focused Attention Needed to Mitigate Program Risks, by David A. Powner, director, information technology management issues, before the Subcommittee on Energy and Environment and Investigations and Oversight,?ouse Committee on Science, Space, and Technology, GAO-12-841T, June 27, 2012
- Geostationary Weather Satellites: Design Progress Made, but Schedule Uncertainty Needs to be Addressed, GAO-12-576, June 26, 2012
- Polar-Orbiting Environmental Satellites: Changing Requirements, Technical Issues, and Looming Data Gaps Require Focused Attention, GAO-12-604, June 15, 2012
- Polar Satellites: Agencies Need to Address Potential Gaps in Weather and Climate Data Coverage, by David A. Powner, director, information technology management issues, before the Subcommittees on Investigations and Oversight and Energy and Environment, House Science, Space, and Technology Committee. GAO-11-945T, September 23, 2011
- Geostationary Operational Environmental Satellites: Improvements Needed in Continuity Planning and Involvement of Key Users, GAO-10-799, Sep 1, 2010
- Environmental Satellites: Planning Required to Mitigate Near-term Risks and Ensure Long-term Continuity, GAO-10-858T, Jun 29, 2010
- Polar-Orbiting Environmental Satellites: Agencies Must Act Quickly to Address Risks That Jeopardize the Continuity of Weather and Climate Data, GAO-10-558, May 27, 2010
- Environmental Satellites: Strategy Needed to Sustain Critical Climate and Space Weather Measurements, GAO-10-456, Apr 27, 2010
- Polar-Orbiting Environmental Satellites: With Costs Increasing and Data Continuity at Risk, Improvements Needed in Tri-agency Decision Making, GAO-09-564, Jun 17, 2009
- Geostationary Operational Environmental Satellites: Acquisition Has Increased Costs, Reduced Capabilities, and Delayed Schedules, GAO-09-596T, Apr 23, 2009
- Geostationary Operational Environmental Satellites: Acquisition Is Under Way, but Improvements Needed in Management and Oversight, GAO-09-323, Apr 2, 2009
- Environmental Satellites: Polar-orbiting Satellite Acquisition Faces Delays; Decisions Needed on Whether and How to Ensure Climate Data Continuity, GAO-08-899T, Jun 19, 2008
- Environmental Satellites: Polar-orbiting Satellite Acquisition Faces Delays; Decisions Needed on Whether and How to Ensure Climate Data Continuity, GAO-08-518, May 16, 2008
- Geostationary Operational Environmental Satellites: Further Actions Needed to Effectively Manage Risks GAO-08-183T October 23, 2007
- Geostationary Operational Environmental Satellites: Progress Has Been Made, but Improvements Are Needed to Effectively Manage Risks GAO-08-18 October 23, 2007
- Environmental Satellite Acquisitions: Progress and Challenges GAO-07-1099T July 11, 2007
- Weather Forecasting: National Weather Service's Operations Prototype Needs More Rigorous Planning GAO-07-650 June 8, 2007
- Polar-Orbiting Operational Environmental Satellites: Restructuring Is Under Way, but Challenges and Risks Remain GAO-07-910T June 7, 2007
- Polar-Orbiting Operational Environmental Satellites: Cost Increases Trigger Review and Place Program's Direction on Hold, GAO-06-573T, March 30, 2006
- Polar-Orbiting Operational Environmental Satellites: Technical Problems, Cost Increases, and Schedule Delays Trigger Need for Difficult Trade-off Decisions, GAO-06-249T, November 16, 2005
- Polar-Orbiting Environmental Satellites: Information on Program Cost and Schedule Changes. GAO-04-1054, September 30, 2004.
- Geospatial Information: Better Coordination and Oversight Could Help Reduce Duplicative Investments, by Linda D. Koontz, director, information management, before the Subcommittee on Technology, Information Policy, Intergovernmental Relations and the Census, House Committee on Government Reform. GAO-04-824T, June 23, 2004. [PDF 1.7MB]
- Geospatial Information: Better Coordination Needed to Identify and Reduce Duplicative Investments. GAO-04-703, June 23, 2004. [PDF 3.8MB]
- Geospatial Information: Technologies Hold Promise for Wildland Fire Management, but Challenges Remain, (GAO-03-1047), September 23, 2003 [PDF 7.89 Mb]
- Polar-Orbiting Environmental Satellites: Project Risks Could Affect Continuity of Data for Weather Forecasts, by David A. Powner, acting director, Information Technology, before the Subcommittee on Environment, Technology, and Standards, House Committee on Science (GAO-03-987T) July 15, 2003
- POLAR-ORBITING ENVIRONMENTAL SATELLITES: Status, Plans, and Future Data Management Challenges, Statement of Linda D. Koontz, Director, Information Management Issues, July 24, 2002 (GAO-02-684T) [PDF 1.8 Mb]
- National Oceanic and Atmospheric Administration: National Weather Service Modernization and Weather Satellite Program [T-AIMD-00-086] 03/29/2000
- Weather Satellites: Planning for the Geostationary Operational Environmental Satellite Program Needs More Attention (Chapter Report, 03/13/97, GAO/AIMD-97-37). [PDF Version]
- Earth Observing System: Concerns Over NASA's Basic Research Funding Strategy (Letter Report, 07/11/96, GAO/NSIAD-96-97). [PDF Version]
- Earth Science Information Network: Relationship of Consortium to Federal Agencies (Letter Report, 10/27/95, GAO/NSIAD-96-13). [PDF Version]
- Global Warming: Limitations of General Circulation Models and Costs of Modeling Efforts (Letter Report, 07/13/95, GAO/RCED-95-164). [PDF Version]
- NASA's Earth Observing System: Estimated Funding Requirements (Letter Report, 06/09/95, GAO/NSIAD-95-175). [PDF Version]
- Weather Forecasting: Unmet Needs and Unknown Costs Warrant Reassessment of Observing System Plans (Chapter Report, 04/21/95, GAO/AIMD-95-81). [PDF Version]
- Weather Forecasting: Systems Architecture Needed for National Weather Service Modernization (Chapter Report, 03/11/94, GAO/AIMD-94-28). [PDF Version 3.5 Mb]
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