Complex sentence: The most notable storm of 1959 was Hurricane Gracie, which caused ten deaths when it made landfall near Beaufort, South Carolina as well as millions in damage; another eleven were killed by a tornado generated as Gracie weakened.
Split into simpler sentences: The most notable storm of 1959 was Hurricane Gracie, which caused ten deaths when it made landfall near Beaufort, South Carolina as well as millions in damage. Another eleven were killed by a tornado generated as Gracie weakened.