Tropical Storm Vida (1975)

Tropical Storm Vida peaked at 50 kt in the South Indian between March 16, 1975 and March 20, 1975, with a lowest pressure of 982 mb.

Track and intensity

The whole track of Tropical Storm Vida, colored by strength, with the other storms of the 1975 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: March 16, 1975 to March 20, 1975
Peak strength: Tropical Storm, 50 kt (58 mph), ten-minute wind
Lowest pressure: 982 mb (29.00 inHg)
Landfall: No; closest approach 76 km (47 mi)
Accumulated cyclone energy: 3.3
Identifier: SH271975

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
Mar 16, 00:00	14.1S 95.5E	30 kt	999 mb	Tropical storm
Mar 16, 06:00	14.2S 96.0E	30 kt	998 mb	Tropical storm
Mar 16, 12:00	14.2S 96.9E	30 kt	997 mb	Tropical storm
Mar 16, 18:00	14.2S 97.9E	35 kt	995 mb	Tropical storm
Mar 17, 00:00	13.3S 98.7E	40 kt	994 mb	Tropical storm
Mar 17, 06:00	13.4S 99.6E	40 kt	993 mb	Tropical storm
Mar 17, 12:00	13.0S 101.0E	45 kt	992 mb	Tropical storm
Mar 17, 18:00	13.2S 103.2E	45 kt	990 mb	Tropical storm
Mar 18, 00:00	14.0S 105.0E	50 kt	989 mb	Tropical storm
Mar 18, 06:00	15.3S 106.6E	50 kt	988 mb	Tropical storm
Mar 18, 12:00	16.7S 107.7E	50 kt	985 mb	Tropical storm
Mar 18, 18:00	18.2S 108.4E	50 kt	983 mb	Tropical storm
Mar 19, 00:00	20.0S 108.8E	50 kt	984 mb	Tropical storm
Mar 19, 06:00	22.5S 108.9E	50 kt	982 mb	Tropical storm
Mar 19, 12:00	25.6S 109.0E	50 kt	985 mb	Tropical storm
Mar 19, 18:00	28.8S 110.3E	50 kt	986 mb	Tropical storm
Mar 20, 00:00	32.1S 112.6E	45 kt	988 mb	Mixed
Mar 20, 06:00	34.6S 114.3E	40 kt	991 mb	Mixed
Mar 20, 12:00	36.8S 117.0E	35 kt	995 mb	Mixed

Other South Indian storms of 1975

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. This storm’s winds are ten-minute averages from its regional agency. They read about 12 percent lower than the one-minute winds US agencies use, so a Saffir-Simpson category is not given for it.

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.