Tropical cyclones in 1998
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During 1998, tropical cyclones formed within seven different tropical cyclone basins, located within various parts of the Atlantic, Pacific, and Indian Oceans. A total of 125 tropical cyclones formed, with 72 of them being named by various weather agencies when they attained maximum sustained winds of 35 knots (65 km/h, 40 mph). The strongest tropical cyclones were Zeb, Ron and Susan which peaked with a pressure of 900 hPa (26.58 inHg). Hurricane Mitch of late October was the deadliest tropical cyclone, killing 11,000 people as it catastrophically affected Central America, and Mexico as a Category 5 major hurricane. Meanwhile, Georges became the costliest, with the damages amounting to $9.37 billion, which also became the costliest in the history of the Dominican Republic and the country of Saint Kitts and Nevis. Throughout the year, four Category 5 tropical cyclones formed. The accumulated cyclone energy (ACE) index for the 1998 (seven basins combined), as calculated by Colorado State University was 773.1 units.
Tropical cyclones in 1998 | |
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Year boundaries | |
First system | Ron and Katrina |
Formed | January 1, 1998 |
Last system | TL |
Dissipated | January 2, 1999 |
Strongest system | |
Name | Zeb, Ron and Susan |
Lowest pressure | 900 mbar (hPa); 26.58 inHg |
Longest lasting system | |
Name | Katrina (Fourth longest-lasting tropical system on record) |
Duration | 24 days |
Year statistics | |
Total systems | 125 |
Named systems | 73 |
Total fatalities | > 23,365 |
Total damage | $29.802 billion (1998 USD) |
Other years 1996, 1997, 1998, 1999, 2000 |