Timeline of the 2003–04 South Pacific cyclone season
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The 2003–04 South Pacific cyclone season was a below-average season with only three tropical cyclones occurring within the South Pacific to the east of 160°E. The season officially ran from November 1, 2003 to April 30, 2004 with the first disturbance of the season forming on December 4 and the last disturbance dissipating on April 23.[A 1][A 2] This is the period of the year when most tropical cyclones form within the South Pacific Ocean.[1]
Timeline of the 2003-04 South Pacific cyclone season | |||||||
---|---|---|---|---|---|---|---|
Season boundaries | |||||||
First system formed | December 4, 2003 | ||||||
Last system dissipated | April 24, 2004 | ||||||
Longest lasting system | |||||||
Name | Heta | ||||||
Duration | 14 days | ||||||
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Other years 1990–91, 2003–04, 2007–08 |
During the season at least 16 deaths resulted from tropical disturbances whilst overall damage was estimated at $218 million (2004 USD; $352 million 2024 USD). The most damaging tropical disturbance was Cyclone Heta which caused at least $211 million (2004 USD; $340 million 2024 USD) in damage to six different countries and left three dead.[2][3][4] The deadliest tropical disturbance of the season was Tropical Depression 10F, which was responsible for eleven deaths and caused $2.74 million (2004 USD; $4.42 million 2024 USD) in damage.[5] Cyclone Ivy also caused 2 deaths and caused $4.17 million (2004 USD; $6.73 million 2024 USD) worth of damage to Vanuatu.[2][6] As a result of the impacts caused by Heta and Ivy, the names were retired from the tropical cyclone naming lists.[1]
Within the South Pacific, tropical cyclones are monitored by the Regional Specialized Meteorological Center (RSMC) in Nadi, Fiji, and the Tropical Cyclone Warning Center (TCWC) in Wellington, New Zealand. RSMC Nadi attaches a number and an F suffix to tropical disturbances that form in or move into the South Pacific. The United States Joint Typhoon Warning Center (JTWC) issues unofficial warnings within the South Pacific, designating tropical cyclones with a number and a P suffix. RSMC Nadi and TCWC Wellington both use the Australian Tropical Cyclone Intensity Scale, and measure windspeeds over a period of ten minutes, while the JTWC measures sustained winds over a period of one minute and uses the Saffir–Simpson Hurricane Scale.
This timeline includes information from post-storm reviews by RSMC Nadi, TCWC Wellington and the JTWC. It documents tropical cyclone formations, strengthening, weakening, landfalls, extratropical transitions, and dissipations during the season. Reports among warning centers often differ; as such, information from all three agencies has been included.