At the kind invitation of the NOAA National Weather Service (NWS) and in collaboration with the Federal Aviation Adminsitration (FAA), AvMET Applications, Inc. and RTCA, Inc., a conjoint session of the WMO Volcanic Ash Advisory Centre Best Practices (VAAC BP) and WMO/IUGG Volcanic Ash Scientific Advisory Group (VASAG) will be held at the offices of RTCA Inc. in Washington DC, United States of America from 21 to 22 November 2019.
