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Tropical cyclones in 2001
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During 2001, tropical cyclones formed in seven different areas called basins, located within various parts of the Atlantic, Pacific and Indian Oceans. A total of 128 tropical cyclones formed within bodies of water known as tropical cyclone basins, with 83 of them were further named by the responsible weather agencies when they attained maximum sustained winds of 35 knots (65 km/h; 40 mph). Typhoon Faxai is the strongest tropical cyclone throughout the year, peaking with a pressure of 915 hPa (27.02 inHg) and attaining 10-minute sustained winds of 195 km/h (120 mph). The deadliest tropical cyclone of the year was Lingling in the West Pacific which caused 379 fatalities in total as it struck the Philippines and Vietnam, while the costliest storm of the year was Michelle, with a damage cost of around $2.43 billion as it catastrophically affected the Greater Antilles and the Bahamas in late October. So far, 23 Category 3 tropical cyclones formed, including two Category 5 tropical cyclones formed in the year. The accumulated cyclone energy (ACE) index for the 2001 (seven basins combined), as calculated by Colorado State University was 672.4 units.
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Global atmospheric and hydrological conditions
La Niña is a weather pattern that occurs every few years, as a result of complex variations on the ocean temperatures in the equatorial band of the Pacific Ocean.[1] The 1998–2001 La Niña persisted through early 2001, which made the waters of Pacific Ocean, and the Atlantic Ocean warmer than normal.
Summary
Systems
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January
In January, the Intertropical Convergence Zone (ITCZ), which allows for the formation of tropical waves, is located in the Southern Hemisphere, remaining there until May.[2] This limits Northern Hemisphere cyclone formation to comparatively rare non-tropical sources.[3] In addition, the month's climate is also an important factor. In the Southern Hemisphere basins, January, at the height of the austral summer, is the most active month by cumulative number of storms since records began. Of the four Northern Hemisphere basins, none is very active in January, as the month is during the winter, but the most active basin is the Western Pacific, which occasionally sees weak tropical storms form during the month.[4]
January was very inactive despite this, with only five storms forming, three getting named, all in the southern hemisphere. In the Australian basin, Cyclone Terri affected Western Australia, but caused no damage. The rest of the activity was confined to the Southwestern Indian Ocean, with two unnamed tropical depressions, and cyclones Bindu and Charly forming, with the latter being the most intense tropical cyclone this month.
February
In terms of activity, February is normally similar to January, with activity effectively restricted to the Southern Hemisphere excepting the rare Western Pacific storm. In fact, in the Southern Hemisphere, due to the monsoon being at its height,[4] February tends to see more formation of strong tropical cyclones than January despite seeing marginally fewer overall storms. In the Northern Hemisphere, February is the least active month, with no Eastern or Central Pacific tropical cyclones[8] and only one Atlantic tropical cyclone having ever formed in the month.[9] Even in the Western Pacific, February activity is low: in 1992, the month had never seen a typhoon-strength storm, the first being Typhoon Higos in 2015.
Within February, ten storms have formed, of which seven were officially named, with another storm, Auring, receiving a name that is deemed unofficial outside of the Philippines. No storms formed within the Southwestern Indian Ocean this month. In the Australian basin, cyclones Vincent, Winsome, Wylva, and Abigail formed, all of which affected landmasses, but most remained relatively weak. In the South Pacific, cyclones Oma, Paula, the strongest storm this month, and Rita formed, with Oma and Paula affecting landmasses.
March
Here in March, just 3 systems form and just 1 being named. March was very below average month. February is active unless we go to March. Dera was the only strongest storm on the month. Cyclone Dera is a strong Cat 2. Will April more active than March?
April
Here in April, well slightly near average month with 6 system forms in April, with 6 storms have being named. While Walter is the strongest storm in April. Alistair is the most long lived cyclone in this month. The Intertropical Convergence Zone (ITCZ) moving north which allows the hurricanes or typhoon forms. Will May have an hurricanes or typhoon?
May
Well, here in May. There's 6 systems formed and 2 systems that have being named. May is a near average month on 2001. just 2 being named and just 1 major hurricanes in this month. The Intertropical Convergence Zone (ITCZ), moving north which allows the hurricane or typhoon forms. The first system is 14F, with winds up to 40 mph. Adolph was the strongest system in May 2001, Adolph forms as a Cat 4, affected the southwestern Mexico and Western Mexico. ARB 01 is the most long lived system in May. In June we have some more activity on northern hemisphere. Will June has more activity?
June
July
August
September
October
November
December
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Global effects
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Perspective
There are a total of seven tropical cyclone basins that tropical cyclones typically form in this table, data from all these basins are added.[14]
- The wind speeds for this tropical cyclone/basin are based on the Saffir Simpson Scale which uses 1-minute sustained winds.
- Only systems that formed either before or on December 31, 2001 are counted in the seasonal totals.
- Only systems that formed either on or after January 1, 2001 are counted in the seasonal totals.
- The wind speeds for this tropical cyclone are based on Météo-France, which uses wind gusts.
- The sum of the number of systems in each basin will not equal the number shown as the total. This is because when systems move between basins, it creates a discrepancy in the actual number of systems.
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See also
Notes
- Between 120 and 900 fishermen were listed as missing after contact was lost with their vessels during the storm.
- The total deaths are unknown.
- Originated from the Australian region.
- Alex from the Australian basin crossed to the South-West Indian Ocean basin, renaming it Andre.
- Originated from the Australian basin.
- Bessi crossed to the South-West Indian Ocean basin from the Australian region, renaming it Bako.
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References
External links
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