Complex sentence: Early on December 5, RSMC Nadi started to issue special weather bulletins on Cyclone Daman as a tropical cyclone gale warning had been issued for the Fijian dependency of Rotuma.
Split into simpler sentences: Early on December 5, RSMC Nadi started to issue special weather bulletins on Cyclone Daman. Around that time, a tropical cyclone gale warning was issued for the Fijian dependency of Rotuma.