Central Pacific Hurricane Center
The Central Pacific Hurricane Center of the United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
National Weather Service
National Weather Service
The National Weather Service , once known as the Weather Bureau, is one of the six scientific agencies that make up the National Oceanic and Atmospheric Administration of the United States government...
is the official body responsible for tracking and issuing tropical cyclone
A tropical cyclone is a storm system characterized by a large low-pressure center and numerous thunderstorms that produce strong winds and heavy rain. Tropical cyclones strengthen when water evaporated from the ocean is released as the saturated air rises, resulting in condensation of water vapor...
warnings, watches, advisories, discussions, and statements for the Central North Pacific Basin. The Central North Pacific Basin is the region of the Pacific Ocean that is north of the equator
An equator is the intersection of a sphere's surface with the plane perpendicular to the sphere's axis of rotation and containing the sphere's center of mass....
between 140 degrees west longitude and the International Date Line
International Date Line
The International Date Line is a generally north-south imaginary line on the surface of the Earth, passing through the middle of the Pacific Ocean, that designates the place where each calendar day begins...
. In this area, the hurricane season lasts from June 1 through November 30.
Based in Honolulu, Hawai‘i
Honolulu is the capital and the most populous city of the U.S. state of Hawaii. Honolulu is the southernmost major U.S. city. Although the name "Honolulu" refers to the urban area on the southeastern shore of the island of Oahu, the city and county government are consolidated as the City and...
, the CPHC is co-located with the National Weather Service's Honolulu forecast office on the campus of the University of Hawai‘i at Mānoa
University of Hawaii at Manoa
The University of Hawaii at Mānoa is a public, co-educational university and is the flagship campus of the greater University of Hawaii system...
. The Honolulu forecast office activates the CPHC when tropical cyclones form in, or move into, the Central Pacific region.
The CPHC replaced the previous forecaster, the Joint Hurricane Warning Center, starting in the 1970 season
1970 Pacific hurricane season
The 1970 Pacific hurricane season began on May 15, 1970 in the east Pacific, and on June 1, 1970 in the central Pacific. It ended on November 30, 1970. These dates conventionally delimit the period of time when tropical cyclones form in the eastern Pacific Ocean.This season had an above average...
Hurricane Naming SystemThe Central Pacific Hurricane Center uses traditional Hawaiian
The Hawaiian language is a Polynesian language that takes its name from Hawaii, the largest island in the tropical North Pacific archipelago where it developed. Hawaiian, along with English, is an official language of the state of Hawaii...
names for hurricanes that form within its regional sphere of jurisdiction. It has formed four lists of names to choose from. As soon as all the names are exhausted from the first list, it moves on to the second, then third, then fourth, then back to the first and so on. Unlike the name list in the Atlantic and Eastern Pacific, the names do not start at "A" every year.
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