Typhoon Viola (1958)

Typhoon Viola reached Category 3 in the Western Pacific between July 7, 1958 and July 17, 1958, with a lowest pressure of 965 mb.

Track and intensity

The whole track of Typhoon Viola, colored by strength, with the other storms of the 1958 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: July 7, 1958 to July 17, 1958
Peak strength: Category 3, 100 kt (115 mph)
Lowest pressure: 965 mb (28.50 inHg)
Landfall: No; closest approach 790 km (491 mi)
Accumulated cyclone energy: 15.1
Identifier: WP061958

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
Jul 7, 18:00	10.7N 148.7E			Disturbance
Jul 8, 00:00	10.8N 147.5E	30 kt	1006 mb	Tropical storm
Jul 8, 06:00	11.1N 146.5E	35 kt	1000 mb	Tropical storm
Jul 8, 12:00	11.4N 145.8E	40 kt	995 mb	Tropical storm
Jul 8, 18:00	12.0N 145.1E	45 kt	995 mb	Tropical storm
Jul 9, 00:00	12.4N 144.3E	50 kt	995 mb	Tropical storm
Jul 9, 06:00	13.0N 144.1E	60 kt	995 mb	Tropical storm
Jul 9, 12:00	13.7N 143.5E	70 kt	990 mb	Tropical storm
Jul 9, 18:00	14.2N 142.7E	80 kt	990 mb	Tropical storm
Jul 10, 00:00	15.0N 141.8E	85 kt	985 mb	Tropical storm
Jul 10, 06:00	16.4N 141.2E	90 kt	980 mb	Tropical storm
Jul 10, 12:00	17.6N 140.6E	100 kt	975 mb	Tropical storm
Jul 10, 18:00	19.0N 139.8E	100 kt	970 mb	Tropical storm
Jul 11, 00:00	20.3N 139.7E	100 kt	970 mb	Tropical storm
Jul 11, 06:00	22.0N 139.7E	100 kt	965 mb	Tropical storm
Jul 11, 12:00	23.4N 139.8E	100 kt	965 mb	Tropical storm
Jul 11, 18:00	24.8N 140.0E	100 kt	965 mb	Tropical storm
Jul 12, 00:00	26.0N 140.6E	100 kt	970 mb	Tropical storm
Jul 12, 06:00	27.3N 141.5E	95 kt	970 mb	Tropical storm
Jul 12, 12:00	28.1N 142.8E	85 kt	975 mb	Tropical storm
Jul 12, 18:00	28.7N 143.9E	70 kt	975 mb	Tropical storm
Jul 13, 00:00	29.1N 145.0E	65 kt	970 mb	Tropical storm
Jul 13, 06:00	30.2N 146.9E	60 kt	985 mb	Tropical storm
Jul 13, 12:00	31.2N 147.9E	60 kt	990 mb	Tropical storm
Jul 13, 18:00	33.0N 149.8E	60 kt	990 mb	Tropical storm
Jul 14, 00:00	33.5N 150.0E	50 kt	995 mb	Mixed
Jul 14, 06:00	34.0N 150.2E	45 kt	1000 mb	Mixed
Jul 14, 12:00	34.2N 150.6E	40 kt	1000 mb	Mixed
Jul 14, 18:00	35.5N 152.5E	35 kt	998 mb	Mixed
Jul 15, 00:00	36.8N 154.2E	30 kt	998 mb	Mixed
Jul 15, 06:00	37.2N 155.3E		1000 mb	Extratropical
Jul 15, 12:00	38.5N 158.0E		1006 mb	Extratropical
Jul 15, 18:00	39.9N 162.0E		1006 mb	Extratropical
Jul 16, 00:00	41.0N 166.0E		1006 mb	Extratropical
Jul 16, 06:00	44.0N 172.6E		1004 mb	Extratropical
Jul 16, 12:00	45.0N 175.0E		1004 mb	Extratropical
Jul 16, 18:00	46.7N 177.0E		1002 mb	Extratropical
Jul 17, 00:00	49.0N 177.0E		1004 mb	Extratropical
Jul 17, 06:00	49.0N 177.0E		1002 mb	Extratropical

Other Western Pacific storms of 1958

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.