The European Fleet for Airborne Research (EUFAR) Cloud and Aerosol Working Group convened at the Paris Observatory 13-15 September 2006 on the topic of "Combining upcoming satellite missions and aircraft activities: Future challenges for the EUFAR fleet". The major objective of the workshop was to summarize the state of the art in aircraft aerosol, cloud, and radiation measurements using aircraft and to discuss how to use/develop the available capabilities of the EUFAR fleet to support satellite remote sensing validation. During the workshop, current and planned activities in the satellite and aircraft fields were presented and discussed. Steven Platnick (NASA GSFC, Climate and Radiation Branch) gave an overview of current and future cloud satellite missions, capabilities, and validation needs. Tad Anderson (University of Washington and GEST visiting fellow in the Climate and Radiation Branch, gave an overview of aerosol measurements. A full report will be made public on the EUFAR web site .

(submitted by Steven Platnick)