An area of disturbed weather developed northwest of Chuuk on October 24. The disturbance moved west-northwestward over the next two days and gradually became better organized, and the Joint Typhoon Warning Center issued a Tropical Cyclone Formation Alert on the system on October 26. The system was designated Tropical Depression 22W by the JTWC later that day. The system continued to strengthen, and the JTWC upgraded it to a tropical storm on October 27. The Japan Meteorological Agency later followed suit and designated the system Tropical Storm Cimaron. The name Cimaron was submitted by the Philippines, and is a type of wild ox. The system quickly intensified, and was upgraded to a severe tropical storm by the JMA later that day. The system continued its quick intensification and was upgraded to a typhoon by both the JTWC and JMA on October 28. Further intensification occurred overnight, and the typhoon had rapidly deepened 65 hPa in 24 hours, from 985 hPa to 920 hPa, causing the JTWC to upgrade it to a 140-kn super typhoon at 9 a.m. UTC on October 29. It made landfall at about 12:30 p.m. UTC the same day on Northern Luzon. There, especially in Isabela Province, it lashed winds as much as 195 km/h and gusts as much as 230 km/h. Actually, all or parts of four provinces (Isabela, Quirino, Cagayan and Aurora) are declared under Signal No. 4 as the typhoon struck the island.