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Weather Modification Research

Weather Modification Research. (Item 3.10.1). 10th WMO Scientific Conference on Weather Modification & Expert Team on WMR meeting Bali, Indonesia, October 2011. About 100 scientists from 29 countries hosted by the Indonesian Agency for the Assessment and Application of Technology (BPPT).

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Weather Modification Research

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  1. Weather Modification Research (Item 3.10.1)

  2. 10th WMO Scientific Conference on Weather Modification &Expert Team on WMR meetingBali, Indonesia, October 2011 • About 100 scientists from 29 countries • hosted by the Indonesian Agency for the Assessment and Application of Technology (BPPT)

  3. The conference focussed on the following topics: • WMR and cloud and precipitation processes: • Observational and laboratory studies; • Modelling studies; • Seeding material and methods of delivery; • Data analysis and statistical methods

  4. WMR and the physical and socio-economic environment: • Environmental issues, user requirements and cost-benefit studies • Inadvertent weather modification, Climate Change and Geo-engineering

  5. presentations • scientific results • operational experience in WM supported by research • winter cloud seeding: • the State of Wyoming • Australia new tools - dual polarization radars and satellite products used. • Queensland program in Australia on summertime convective clouds. • the Indian Institute of Tropical Meteorology and the Bureau of Royal Rainmaking and Agricultural Aviation in Thailand • aerosol-cloud interaction and cloud modification utilizing the latest technologies; • summer monsoon clouds.

  6. special evening session: on the status of weather modification • outstanding scientific question, • critical issues to enhance the scientific basis, • global and regional cooperation, • capacity building • funding mechanisms required

  7. a special session on geo-engineering • links between geo-engineering and weather modification. • although geo-engineering proposals aiming at changes in cloud microphysical properties of clouds has some links to weather modification techniques, the scale of suggested applications is different. • updates to the WMO statement on weather modification will include geo-engineering ideas related to cloud modification. • caution should be applied when attempting to modify elements of the weather/climate system.

  8. GEOENGINEERING: BACKGROUND AND POSSIBLE ROLES FOR WMO • Collaborative work with WCRP • Solarradiation management • Brightening marine clouds, • Introducing reflective aerosols into the stratosphere, • Making parts of the Earth’s surface more reflective.

  9. Carbon dioxide removal • Land-based methods • Ocean-based methods

  10. Role for WMO • WMO programmes/activities relevant to geoengineering • the WCRP (modeling and projections related to climate change) • the Weather Modification Research under CAS; • GAW, (research in the chemical and aerosol composition of the atmosphere)

  11. WMO to • provide scientifically sound information and advice on geoengineering. • to suggest resources channeled towards addressing the uncertainties of aerosol/cloud interactions within the radiation balance, through physical, chemical and modeling studies.

  12. This process to be initiated by a joint CAS/WCRP workshop with the following aims to: • Do a scientific review of current proposed technologies, their scientific understanding and the uncertainties involved and based on this, draft a WMO statement on the status of geoengineering; • Identify the key scientific questions that should be address through modeling and field experiments or preferably, a combination of both; • Identify a number of joint research projects and their funding mechanisms, to address the identified key scientific questions; • Investigate the need to establish a scientific body that could steer these activities in future.

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