The 1985-1990 Southern Hemisphere tropical cyclone seasons ran year-round from July 1 to June 30 during each year between 1985 and 1990. Tropical cyclone activity in the Southern Hemisphere reaches its peak from mid-February to early March.
Category 4 severe tropical cyclone (Australian scale) | |||
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Category 4 tropical cyclone (SSHS) | |||
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Duration | November 25 – December 7 | ||
Intensity | 165 km/h (100 mph) (10-min), 945 mbar (hPa) |
Tropical Cyclone Nicholas occurred from 26 November until 7 December 1985 in the Indian Ocean south of Sumatra. Its estimated lowest pressure was 945hPa.[1]
Category 1 tropical cyclone (Australian scale) | |||
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Tropical storm (SSHS) | |||
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Duration | January 7 – January 13 | ||
Intensity | 80 km/h (50 mph) (10-min), 986 mbar (hPa) |
Tropical Cyclone Ophelia occurred from 7 January until 12 January 1986 near Cocos Island. Its estimated lowest pressure was 986hPa.[1]
Category 2 tropical cyclone (Australian scale) | |||
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Category 2 tropical cyclone (SSHS) | |||
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Duration | January 18 – January 22 | ||
Intensity | 115 km/h (75 mph) (10-min), 976 mbar (hPa) |
Tropical Cyclone Pancho occurred from 18 January until 21 January 1986 and remained entirely within the Indian Ocean off Western Australia. Its estimated lowest pressure was 976hPa.[1]
Category 1 tropical cyclone (Australian scale) | |||
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Category 1 tropical cyclone (SSHS) | |||
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Duration | January 17 – January 24 | ||
Intensity | 85 km/h (55 mph) (10-min), 973 mbar (hPa) |
Tropical Cyclone Hector occurred from 17 January until 24 January 1986. It crossed the coast near Wyndham, Western Australia and its estimated lowest pressure was 982hPa. Hector caused significant flooding in the Kimberley region of Western Australia.[1]
Category 1 tropical cyclone (Australian scale) | |||
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Tropical storm (SSHS) | |||
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Duration | January 21 – January 25 | ||
Intensity | 70 km/h (45 mph) (10-min), 990 mbar (hPa) |
Vernon was a weak cyclone that occurred from 21 January until 24 January 1986 and formed in the Gulf of Carpentaria. It crossed Cape York and continued on into the Coral Sea. Its estimated lowest pressure was 990hPa.[1]
Category 3 severe tropical cyclone (Australian scale) | |||
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Category 3 tropical cyclone (SSHS) | |||
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Duration | January 27 – February 5 | ||
Intensity | 130 km/h (80 mph) (10-min), 961 mbar (hPa) |
Winifred struck Innisfail, Queensland in February,1986 causing extensive damage. There were three deaths attributed to Winifred.[1]
it formed on the Coral Sea on January 29
Category 3 severe tropical cyclone (Australian scale) | |||
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Category 2 tropical cyclone (SSHS) | |||
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Duration | February 17 – February 22 | ||
Intensity | 120 km/h (75 mph) (10-min), 968 mbar (hPa) |
Tropical Cyclone Rhonda occurred from 17 February until 22 February 1986. It formed off the Pilbara coast and followed the Western Australian coast before weakening and crossing near Perth. Areas around Perth received heavy rain. Its estimated lowest pressure was 968hPa.[1]
Tropical Cyclone Selwyn occurred from 21 February until 26 February 1986 and remained away from land in the Indian Ocean. Its estimated lowest pressure was 980hPa.[1]
Tropical Cyclone Tiffany occurred from 25 February until 1 March 1986 and remained away from land in the Indian Ocean. Its estimated lowest pressure was 984hPa.[1]
Tropical Cyclone Victor occurred from 1 March until 9 March 1986 and was the most severe cyclone of the Australian region for the season. Fortunately it remained off the Western Australian coast for all its life. Its estimated lowest pressure was 930hPa and highest gusts about 255 km/h.[1]
Alfred was a weak cyclone that occurred from 2 March until 7 March 1986. Its estimated lowest pressure was 990hPa and it stayed within the Coral Sea.[1]
Tropical Cyclone Alison occurred from 4 April until 9 April 1986 within the Indian Ocean. It moved westward into the Mauritius area of responsibility and was renamed Krisostoma. Its estimated lowest pressure was 974hPa.[1]
Tropical Cyclone Manu occurred from 21 April until 27 April 1986 off the Queensland coast. Its estimated lowest pressure was 980hPa.[1]
Tropical Cyclone Billy occurred from 4 May until 15 May 1986. It temporarily moved west into the Mauritius area of responsibility where it was renamed Lily but then moved back again. It crossed the Western Australian coast near Geraldton just after dissipating. Its estimated lowest pressure was 950hPa.[1]
Tropical Cyclone Namu occurred from 16 May until 22 May 1986 near the Solomon Islands. It caused mudslides that killed over 100 people. Its estimated lowest pressure was 960hPa.[1]
Tropical Cyclone Delfinina occurred in the southern Indian Ocean around 85°E in January 1986.[1]
Tropical Cyclone Costa occurred in the southern Indian Ocean around 60°E in January 1986.[1]
Tropical Cyclone Honorinina struck Madagascar in March on 1986. Honorinina struck with winds of 300 km/h killed 32 people. [2]
The following cyclones (with little information) also occurred within the Southern Hemisphere: [3]
Jason stuck Baniyalla, Northern Territory in February, 1987 damaging 20 buildings.[4]
Cyclone Clotilda form between Madagascar and Reunion Island. Clotilda moved southeastward and spent three days traversing Reunion Island from northeast to southwest. Clotilda brought the highest rainfall totals since Cyclone Hyacinthe in 1980. Seven people were killed and 2 others were missing.[5]
The following cyclones also occurred within the 1986/1987 Southern Hemisphere tropical cyclone season: [6]
Charlie struck Ayr, Queensland in March,1988 killing one person and leaving $2,300,000 dollars (1988 USD) in damage. [7]
Category 3 tropical cyclone (SSHS) | |||
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Duration | February 24 – March 4 | ||
Intensity | 195 km/h (120 mph) (1-min), 935 mbar (hPa) |
Cyclone Bola struck New Zealand between February and March, 1988 killing 3 people.
Cyclone Filao struck eastern Mozambique. Resulting floods killed 100 people. [8]
The following cyclones also occurred within the 1987/1988 Southern Hemisphere tropical cyclone season: [9]
The following cyclones also occurred within the 1988/1989 Southern Hemisphere tropical cyclone season: [10]
On February 3, 1990, Cyclone Nancy made landfall near Byron Bay, bringing flashfloods that killed five people.[11]
March 4–7, 1990, Pacific Ocean. Cyclone Hilda had cloud tops estimated at 62,000 feet tall. The measured cloud top temperature was -152°F, which is the coldest cloud-top temperature ever measured.
The following cyclones also occurred within the 1989-1990 Southern Hemisphere tropical cyclone season: [12]