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On site presentation Uploading Begins: 6 January

Extended Manuscript Deadline: 10 February

An abstract fee of $95 (payable by credit card or purchase order) is charged at the time of submission (refundable only if abstract is not accepted).

All abstracts, manuscripts and presentations will be available on the AMS Web site at no cost.

19th Conference on Planned and Inadvertent Weather Modification

Conferences and Symposia Conference Program
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      The 19th Conference on Planned and Inadvertent Weather Modification, sponsored by the American Meteorological Society, and organized by the AMS Committee on Weather Modification, will be held 6–10 January 2013, as part of the 93rd AMS Annual Meeting in Austin, Texas.  Preliminary programs, registration, hotel, and general information will be posted on the AMS Web site (http://www.ametsoc.org/meet/annual/) in late-September 2012.

      The theme for the 2013 AMS Annual Meeting is “Taking Predictions to the Next Level: Expanding Beyond Today's Weather and Climate Forecasts and Projections”.  The interdisciplinary aspects of our science are also being emphasized. Following this theme, the 19th Conference on Planned and Inadvertent Weather Modification is soliciting papers over a wide range of traditional and interdisciplinary topics, including those that address the prediction needs of water resource managers and other decision-makers. Joint sessions are planned, and papers are encouraged in the following areas:

  • Advertent Climate Modification: Technical, Scientific, and Ethical Issues (with the 25th Conference on Climate Variability and Change);
  • Impacts of Anthropogenic Aerosols on Clouds, Precipitation, Circulation, and Severe Storms (with the Fifth Symposium on Aerosol-Cloud-Climate Interactions);
  • Aerosol-cloud interactions in weather forecasting (with the Fifth Symposium on Aerosol-Cloud-Climate Interactions);
  • Urban effects on thunderstorms and weather extremes (with the Board on the Urban Environment);
  • The detection of planned and inadvertent changes in clouds and the weather (with the Probability and Statistics Special Symposium).


      As always, papers on traditional topics in planned and inadvertent weather modification also are sought, including, but not limited to:

  • physical evidence of cloud seeding effects and general weather modification aspects;
  • hydrological applications to weather modification projects and evaluation;
  • recent developments in understanding natural cloud processes and aerosol-cloud interactions relevant to weather modification;
  • the development and refinement of conceptual models, including those for enhancing precipitation and mitigating the severity of storms;
  • applications of numerical models to planned and inadvertent weather modification topics;
  • societal and economic effects of anthropogenic impacts on weather and climate. 

       For additional information please contact the program chairperson, Dan Breed, National Center for Atmospheric Research, Boulder, CO (e-mail: breed@ucar.edu).