WATCH: Tropical Cyclone Marcus marauding through the Indian Ocean, as seen in this beautiful satellite video

https://youtu.be/IdDqSRBJ0Hw After strengthening into the year's first Category 5 storm, Tropical Cyclone Marcus has weakened. At it strongest, the storm attained maximum sustained winds of 185 miles per hour as it swirled off the northwestern coast of Australia on Wednesday. As I'm writing this on Thursday (Friday morning in Australia), Marcus has settled down to 120 mph, according to the Australian Bureau of Meteorology. It is forecast to continue to weaken and pose no risk to land. The video above shows Marcus at its strongest, as seen by Japan's Himawari-8 satellite. The animation begins at 20:00 UTC on March 21, 2018 and runs through 14:00 UTC on March 22. The cyclone's maximum sustained winds during this period qualified it as a Category 5 storm on the Saffir-Simpson Hurricane Wind Scale. A portion of northwestern Australia is seen at the bottom right, and the Indonesian archipelago is visible in the upper ...