An area of low pressure, would be upgraded to a tropical depression, designated as 26W, developed over the Philippine Sea on October 1 about 750 km (470 mi) to the east of Luzon.

Typhoon Dan reached its peak with winds of 205 kilometres per hour (125 mph) early on October 5 and hit northern Luzon at that strength.

The typhoon weakened as it entered the South China Sea, but re-intensified as it turned towards the north.

Typhoon Dan made its second landfall near Xiamen, China on October 9 and weakened overland.

[6] Typhoon Dan brought torrential rain of up to 500 mm (20 in), affected 2,600 homes and killed at least five people.

[7] Southern Taiwan was still recovering from the Jiji earthquake of the previous month, and Dan delayed the recovery efforts.

Dan knocked down a large number of trees on Kinmen, which led to the disruption of 70% of the island's power supply.