NOAA recently conducted a series of flights into African Easterly Waves to try to understand why some develop into tropical cyclones and some do not. A quick look at some of the data obtained and some logistical issues is available at https://www.aoml.noaa.gov/ftp/hrd/blog/meetings/2023/6_7Aug_AEWs_Debrief.pptx
For more information, contact aoml.communications@noaa.gov.