Complex sentence: During 24 March, gales had developed around the system, and it was classified as a Category 1 tropical cyclone on the Australian cyclone intensity scale at 06:00 UTC on the same day.
Split into simpler sentences: During 24 March, gales had developed around the system. It was classified as a Category 1 tropical cyclone on the Australian cyclone intensity scale at 06:00 UTC on the same day.