1997–98 South-West Indian Ocean cyclone season
Cyclone season in the Southwest Indian Ocean / From Wikipedia, the free encyclopedia
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The 1997–98 South-West Indian Ocean cyclone season was fairly quiet and had the latest start in 30 years. The first tropical disturbance originated on January 16, although the first named storm, Anacelle, was not upgraded until February 8, a record late start. The last storm to dissipate was an unusually late tropical depression in late July. Many of the storms suffered from the effects of wind shear, which contributed to there being only one tropical cyclone – equivalent to a minimal hurricane. The season also occurred during a powerful El Niño.
1997–98 South-West Indian Ocean cyclone season | |
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Seasonal boundaries | |
First system formed | January 16, 1998 |
Last system dissipated | April 22, 1998 |
Strongest storm | |
Name | Anacelle |
• Maximum winds | 140 km/h (85 mph) (10-minute sustained) |
• Lowest pressure | 950 hPa (mbar) |
Seasonal statistics | |
Total disturbances | 16 |
Total depressions | 11 |
Total storms | 5 official, 5 unofficial |
Tropical cyclones | 1 |
Total fatalities | 88–144 total |
Total damage | Unknown |
Related articles | |
South-West Indian Ocean tropical cyclone seasons 1995–96, 1996–97, 1997–98, 1998–99, 1999–00 |
Tropical Depression A1, the first of the season, moved throughout most of Mozambique in January, causing landslides and flooding. One landslide affected Milange District, where many houses were swept into a river. Landslides killed between 87 and 143 people in the country. In February, Cyclone Anacelle buffeted several islands with gusty winds after becoming the strongest storm of the season, reaching maximum sustained winds of 140 km/h (85 mph). Although Anacelle was the first named storm of the season, another tropical depression preceded it that crossed Madagascar several times. The depression eventually became Tropical Storm Beltane, and lasted 17 days. Beltane caused flooding across Madagascar due to heavy rainfall, which killed one person and left locally heavy crop damage. There were several other disturbances in February, including Cindy which dissipated 50 days after it originated, as well as a disturbance that brought heavy rainfall to Réunion and Mauritius. The rest of the season was fairly quiet, mostly with short-lived tropical disturbances or storms.