Timeline of the 2015 Pacific hurricane season of 215 mph (345 km/h). Four time zones are utilized in the basin: Central for storms east of 106°W, Mountain between 114.9°W and 106°W, Pacific between 140°W and 115°W, and Hawaii–Aleutian for storms between the International Date Line and 140°W. However, for convenience, all information is listed by Coordinated Universal Time (UTC) first with the respective local time included in parentheses. This timeline includes information that was not operationally released, meaning that data from post-storm reviews by the National Hurricane Center is included. This timeline documents tropical cyclone formations, strengthening, weakening, landfalls, extratropical transitions, and dissipations during the season. December
Southwest Alaska the Wood-Tikchik Lakes, Lake Iliamna, and Lake Clark; the western heights of the Alaska Range, and its continuation southward as the Aleutian Range along the Alaska Peninsula and Aleutian Islands. The Kodiak Archipelago, in the Pacific east of the Alaska Peninsula, is the most eastern part of Southwest Alaska. Southwest roughly comprises Aleutians East, Bristol Bay, Kodiak Island, Lake and Peninsula boroughs, plus the portion of the Kenai Peninsula Borough that lies west of Cook Inlet; along with the Aleutians West, Bethel, Dillingham, and Kusilvak census areas. These areas have a combined area of , slightly larger than California. Volcanic