Typhoon Jack (1989)

Typhoon Jack reached Category 4 in the Western Pacific between December 20, 1989 and December 29, 1989, with a lowest pressure of 925 mb.

Track and intensity

The whole track of Typhoon Jack, colored by strength, with the other storms of the 1989 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: Western Pacific
Dates: December 20, 1989 to December 29, 1989
Peak strength: Category 4, 125 kt (144 mph)
Lowest pressure: 925 mb (27.32 inHg)
Landfall: No; closest approach 951 km (591 mi)
Accumulated cyclone energy: 16.9
Identifier: WP361989

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
Dec 20, 00:00	4.7N 155.1E	20 kt		Tropical storm
Dec 20, 06:00	5.0N 155.2E	20 kt		Tropical storm
Dec 20, 12:00	5.4N 155.2E	20 kt		Tropical storm
Dec 20, 18:00	5.8N 155.2E	20 kt		Tropical storm
Dec 21, 00:00	6.2N 155.2E	20 kt		Tropical storm
Dec 21, 06:00	6.5N 155.2E	20 kt		Tropical storm
Dec 21, 12:00	7.0N 155.2E	20 kt		Tropical storm
Dec 21, 18:00	7.4N 155.2E	20 kt	1006 mb	Tropical storm
Dec 22, 00:00	7.8N 155.2E	20 kt	1004 mb	Tropical storm
Dec 22, 06:00	8.1N 155.1E	25 kt	1002 mb	Tropical storm
Dec 22, 12:00	8.7N 154.4E	25 kt	1002 mb	Tropical storm
Dec 22, 18:00	9.4N 153.6E	30 kt	1000 mb	Tropical storm
Dec 23, 00:00	10.2N 152.7E	30 kt	996 mb	Tropical storm
Dec 23, 06:00	10.9N 151.9E	35 kt	992 mb	Tropical storm
Dec 23, 12:00	11.5N 151.2E	45 kt	990 mb	Tropical storm
Dec 23, 18:00	11.9N 150.9E	55 kt	985 mb	Tropical storm
Dec 24, 00:00	12.2N 150.5E	65 kt	980 mb	Tropical storm
Dec 24, 06:00	12.5N 150.1E	70 kt	975 mb	Tropical storm
Dec 24, 12:00	12.7N 149.6E	80 kt	975 mb	Tropical storm
Dec 24, 18:00	12.8N 149.2E	90 kt	970 mb	Tropical storm
Dec 25, 00:00	12.9N 148.8E	100 kt	960 mb	Tropical storm
Dec 25, 06:00	13.4N 148.5E	110 kt	950 mb	Tropical storm
Dec 25, 12:00	13.6N 148.3E	120 kt	940 mb	Tropical storm
Dec 25, 18:00	13.7N 148.2E	125 kt	935 mb	Tropical storm
Dec 26, 00:00	13.8N 148.1E	125 kt	925 mb	Tropical storm
Dec 26, 06:00	13.8N 148.0E	125 kt	925 mb	Tropical storm
Dec 26, 12:00	13.8N 148.0E	125 kt	935 mb	Tropical storm
Dec 26, 18:00	13.7N 147.9E	120 kt	945 mb	Tropical storm
Dec 27, 00:00	13.5N 147.7E	105 kt	960 mb	Tropical storm
Dec 27, 06:00	13.4N 147.4E	90 kt	975 mb	Tropical storm
Dec 27, 12:00	13.5N 147.0E	65 kt	985 mb	Tropical storm
Dec 27, 18:00	14.0N 146.5E	45 kt	994 mb	Tropical storm
Dec 28, 00:00	14.8N 145.7E	30 kt	1004 mb	Tropical storm
Dec 28, 06:00	15.3N 144.7E	25 kt	1008 mb	Tropical storm
Dec 28, 12:00	15.2N 143.6E	25 kt		Tropical storm
Dec 28, 18:00	14.8N 142.5E	25 kt		Tropical storm
Dec 29, 00:00	14.6N 141.6E	25 kt		Tropical storm
Dec 29, 06:00	14.3N 140.8E	25 kt		Tropical storm
Dec 29, 12:00	14.0N 140.0E	20 kt		Tropical storm

Other Western Pacific storms of 1989

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.