Complex sentence: Hurricane Cesar (later known as Hurricane Douglas in the Eastern Pacific basin) was the deadliest storm of the season; it killed at least 51 people and caused severe damage in northern Colombia and southern Central America.
Split into simpler sentences: Hurricane Cesar (later known as Hurricane Douglas in the Eastern Pacific basin) was the deadliest storm of the season. It killed at least 51 people and caused severe damage in northern Colombia and southern Central America.