Tropical Storm Ruby (1970)

Tropical Storm Ruby peaked at 55 kt in the Western Pacific between July 8, 1970 and July 22, 1970, with a lowest pressure of 985 mb, and made landfall.

Track and intensity

The whole track of Tropical Storm Ruby, colored by strength, with the other storms of the 1970 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 8, 1970 to July 22, 1970
Peak strength: Tropical Storm, 55 kt (63 mph)
Lowest pressure: 985 mb (29.09 inHg)
Landfall: Yes
Accumulated cyclone energy: 2.5
Identifier: WP041970

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 8, 12:00	11.7N 140.0E			Disturbance
Jul 8, 18:00	11.2N 140.6E			Disturbance
Jul 9, 00:00	10.6N 139.2E			Disturbance
Jul 9, 06:00	9.8N 138.9E			Disturbance
Jul 9, 12:00	9.0N 138.2E			Disturbance
Jul 9, 18:00	8.9N 137.1E			Disturbance
Jul 10, 00:00	8.7N 135.8E			Disturbance
Jul 10, 06:00	8.5N 134.8E			Disturbance
Jul 10, 12:00	8.2N 134.2E			Disturbance
Jul 10, 18:00	7.9N 133.6E			Disturbance
Jul 11, 00:00	7.8N 132.8E			Disturbance
Jul 11, 06:00	7.8N 131.9E			Disturbance
Jul 11, 12:00	8.5N 130.0E		1002 mb	Tropical storm
Jul 11, 18:00	9.3N 129.1E		1002 mb	Tropical storm
Jul 12, 00:00	8.1N 131.3E	25 kt	1002 mb	Tropical storm
Jul 12, 06:00	9.2N 128.7E	25 kt	1000 mb	Tropical storm
Jul 12, 12:00	10.3N 127.8E	30 kt	1000 mb	Tropical storm
Jul 12, 18:00	12.7N 126.4E	30 kt	998 mb	Tropical storm
Jul 13, 00:00	13.9N 125.8E	40 kt	995 mb	Tropical storm
Jul 13, 06:00	14.7N 124.7E	40 kt	990 mb	Tropical storm
Jul 13, 12:00	16.0N 123.8E	55 kt	985 mb	Tropical storm
Jul 13, 18:00	17.2N 122.8E	50 kt	985 mb	Tropical storm
Jul 14, 00:00	18.2N 121.5E	40 kt	990 mb	Tropical storm
Jul 14, 06:00	18.7N 120.5E	45 kt	990 mb	Tropical storm
Jul 14, 12:00	18.7N 119.3E	40 kt	990 mb	Tropical storm
Jul 14, 18:00	19.2N 118.3E	40 kt	990 mb	Tropical storm
Jul 15, 00:00	19.8N 117.6E	40 kt	985 mb	Tropical storm
Jul 15, 06:00	20.2N 116.7E	40 kt	985 mb	Tropical storm
Jul 15, 12:00	20.8N 116.0E	40 kt	985 mb	Tropical storm
Jul 15, 18:00	21.3N 115.5E	40 kt	985 mb	Tropical storm
Jul 16, 00:00	21.9N 115.0E	45 kt	985 mb	Tropical storm
Jul 16, 06:00	22.6N 114.8E	35 kt	990 mb	Tropical storm
Jul 16, 12:00	24.9N 114.3E		996 mb	Tropical storm
Jul 16, 18:00	25.9N 114.4E		998 mb	Mixed
Jul 17, 00:00	27.9N 114.7E		1000 mb	Mixed
Jul 17, 06:00	29.5N 115.5E		1000 mb	Mixed
Jul 17, 12:00	31.5N 116.9E		1000 mb	Mixed
Jul 17, 18:00	32.4N 122.0E		1000 mb	Extratropical
Jul 18, 00:00	34.0N 127.0E		996 mb	Extratropical
Jul 18, 06:00	37.0N 132.0E		994 mb	Extratropical
Jul 18, 12:00	39.0N 136.0E		994 mb	Extratropical
Jul 18, 18:00	41.0N 139.0E		994 mb	Extratropical
Jul 19, 00:00	42.0N 140.2E		994 mb	Extratropical
Jul 19, 06:00	42.7N 142.0E		994 mb	Extratropical
Jul 19, 12:00	43.0N 144.1E		996 mb	Extratropical
Jul 19, 18:00	43.4N 146.3E		998 mb	Extratropical
Jul 20, 00:00	44.0N 148.0E		998 mb	Extratropical
Jul 20, 06:00	45.3N 149.7E		1000 mb	Extratropical
Jul 20, 12:00	47.0N 150.9E		1000 mb	Extratropical
Jul 20, 18:00	47.4N 152.5E		1000 mb	Extratropical
Jul 21, 00:00	48.0N 154.1E		998 mb	Extratropical
Jul 21, 06:00	48.7N 156.1E		998 mb	Extratropical
Jul 21, 12:00	49.2N 158.3E		996 mb	Extratropical
Jul 21, 18:00	49.7N 160.7E		996 mb	Extratropical
Jul 22, 00:00	50.0N 163.0E		996 mb	Extratropical
Jul 22, 06:00	51.0N 167.0E		998 mb	Extratropical
Jul 22, 12:00	52.0N 172.0E		996 mb	Extratropical
Jul 22, 18:00	52.0N 177.0E		994 mb	Extratropical

Other Western Pacific storms of 1970

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.