Some stunning satellite imagery has been generated by Hurricane Sam throughout its lengthy lifespan. From eyewall replacement cycles to rapid intensification, hurricane hunter planes and global satellites have offered a glimpse into the massive tropical cyclone’s lifecycle. On September 23, Sam earned its name and became a tropical storm. Soon afterward, it grew in strength, undergoing what meteorologists refer to as “rapid intensification.” The hurricane is rapidly intensifying and has peaked as a dangerously intense Category 4 hurricane. Watch the video here.