Complex sentence: Belize City was put under a tropical storm warning late that night, which expired the next morning, and was replaced by a new hurricane warning issued for the city of Carmen to Coatzacoalcos and Tuxpan.
Split into simpler sentences: Belize City was put under a tropical storm warning late that night. It expired the next morning, followed by a new hurricane warning issued for the City of Carmen to Coatzacoalcos and Tuxpan.