Cyclone Alinina (1987)

Cyclone Alinina reached Category 1 in the South Indian between January 16, 1987 and January 24, 1987, with a lowest pressure of 976 mb.

Track and intensity

The whole track of Cyclone Alinina, colored by strength, with the other storms of the 1987 season in the same basin behind it, and its wind and pressure hour by hour. Every fix is in the track table below.

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The storm

Basin: South Indian
Dates: January 16, 1987 to January 24, 1987
Peak strength: Category 1, 75 kt (86 mph)
Lowest pressure: 976 mb (28.82 inHg)
Landfall: No; closest approach 831 km (516 mi)
Accumulated cyclone energy: 9.1
Identifier: SH091987

Deaths and damage

No source this site reads publishes a machine-readable casualty or damage figure for a storm of this era. The National Hurricane Center’s season tables begin in 1995 and carry deaths and damage only from 2005 in the Atlantic and 2020 in both basins; the US Storm Events record begins in 1996.

Track

Time (UTC)	Position	Wind	Pressure	Status
Jan 16, 06:00	13.0S 66.0E	20 kt	1003 mb	Tropical storm
Jan 16, 12:00	13.4S 66.5E	35 kt	1000 mb	Tropical storm
Jan 16, 18:00	13.9S 66.9E	45 kt	997 mb	Tropical storm
Jan 17, 00:00	14.4S 67.2E	50 kt	991 mb	Tropical storm
Jan 17, 06:00	14.8S 67.3E	55 kt	984 mb	Tropical storm
Jan 17, 12:00	15.1S 67.6E	60 kt	984 mb	Tropical storm
Jan 17, 18:00	15.6S 68.2E	65 kt	984 mb	Tropical storm
Jan 18, 00:00	16.3S 68.8E	70 kt	976 mb	Tropical storm
Jan 18, 06:00	17.2S 68.9E	75 kt	976 mb	Tropical storm
Jan 18, 12:00	18.3S 69.1E	70 kt	984 mb	Tropical storm
Jan 18, 18:00	19.1S 69.9E	65 kt	991 mb	Tropical storm
Jan 19, 00:00	19.8S 70.6E	60 kt	991 mb	Tropical storm
Jan 19, 06:00	20.4S 70.7E	55 kt	991 mb	Tropical storm
Jan 19, 12:00	21.0S 70.8E	50 kt	991 mb	Tropical storm
Jan 19, 18:00	21.7S 71.1E	40 kt	991 mb	Tropical storm
Jan 20, 00:00	22.5S 71.3E	35 kt	991 mb	Tropical storm
Jan 20, 06:00	23.3S 71.2E	35 kt	991 mb	Tropical storm
Jan 20, 12:00	23.6S 71.0E	35 kt	997 mb	Tropical storm
Jan 20, 18:00	23.7S 70.3E	40 kt	997 mb	Mixed
Jan 21, 00:00	23.8S 69.3E	45 kt	991 mb	Mixed
Jan 21, 06:00	24.0S 68.0E	45 kt	991 mb	Mixed
Jan 21, 12:00	24.3S 66.7E	50 kt	991 mb	Mixed
Jan 21, 18:00	24.7S 65.4E	55 kt	991 mb	Mixed
Jan 22, 00:00	25.4S 64.2E	60 kt	991 mb	Mixed
Jan 22, 06:00	26.5S 63.2E	65 kt	991 mb	Mixed
Jan 22, 12:00	27.8S 63.0E	60 kt	997 mb	Mixed
Jan 22, 18:00	29.2S 63.5E	55 kt	997 mb	Mixed
Jan 23, 00:00	31.0S 64.7E	55 kt	997 mb	Mixed
Jan 23, 06:00	33.0S 66.5E	55 kt	997 mb	Mixed
Jan 23, 12:00	35.1S 69.0E	55 kt	1000 mb	Mixed
Jan 23, 18:00	36.8S 72.0E	55 kt		Tropical storm
Jan 24, 00:00	38.2S 75.1E	55 kt		Tropical storm

Other South Indian storms of 1987

What this means

A best track is the record a warning agency settles on after the storm, not what it said at the time: position, maximum sustained wind and central pressure every six hours, revised against every observation that came in later. Category is the Saffir-Simpson scale, which runs from Category 1 at 64 kt to Category 5 at 137 kt and reads wind only, so it says nothing about surge or rain. Accumulated cyclone energy adds up the square of the wind through the storm's life, so it counts strength and duration together.

Sources

Storm history from NOAA NCEI’s International Best Track Archive for Climate Stewardship (IBTrACS), which merges the official best track of every warning agency. Live storms, cones, watches and warnings from the National Hurricane Center and the Central Pacific Hurricane Center. Archived radar from NOAA’s Level II archive.