A tropical depression formed northeast of Guam. It strengthened into Tropical Depression 23W on October 3. Late on October 4, the JMA upgraded it to Tropical Storm Danas. The PAGASA gave the name Ramil as it pass through the corner of the Philippine area of responsibility on a short matter of time very late on October 6 as a Category 3 typhoon. On October 7, Typhoon Danas entered warm waters as it became a Category 4 typhoon.
Typhoon Danas is forecast to strike Japan at about 18:00 GMT on 8 October. Data supplied by the US Navy and Air Force Joint Typhoon Warning Center suggest that the point of landfall will be near 35.2 N, 132.3 E. Danas is expected to bring 1-minute maximum sustained winds to the region of around 120 km/h (74 mph). Wind gusts in the area may be considerably higher.