The Workshop is organized by the RA IV Task Force on SIGMET and Competency of Aeronautical Meteorological Personnel, with support from the WMO Office in Costa Rica and the Aeronautical Meteorology Division (AEM/WDS). The objective of the Workshop is to assist RA IV Members to improve their SIGMET practices and resolve related deficiencies, and to progress the competency assessment of the aeronautical meteorological forecasters.