The 1975 season

Tropical Storm Grace (1975)

Tropical Storm Grace peaked at 60 kt in the Western Pacific between October 23, 1975 and November 4, 1975, with a lowest pressure of 985 mb.

Track and intensity

The whole track of Tropical Storm Grace, 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
Western Pacific
Dates
October 23, 1975 to November 4, 1975
Peak strength
Tropical Storm, 60 kt (69 mph)
Lowest pressure
985 mb (29.09 inHg)
Landfall
No; closest approach 566 km (352 mi)
Accumulated cyclone energy
5.7
Identifier
WP201975

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)PositionWindPressureStatus
Oct 23, 00:0024.0N 129.0E1008 mbTropical storm
Oct 23, 06:0023.0N 129.6E1008 mbTropical storm
Oct 23, 12:0022.0N 130.0E1008 mbTropical storm
Oct 23, 18:0021.0N 130.3E1006 mbTropical storm
Oct 24, 00:0019.7N 129.3E25 kt1006 mbTropical storm
Oct 24, 06:0019.1N 129.2E25 kt1004 mbMixed
Oct 24, 12:0018.5N 129.1E25 kt1002 mbMixed
Oct 24, 18:0018.2N 128.8E30 kt1000 mbMixed
Oct 25, 00:0018.0N 128.4E40 kt994 mbTropical storm
Oct 25, 06:0017.9N 127.9E45 kt994 mbTropical storm
Oct 25, 12:0018.0N 127.6E50 kt996 mbTropical storm
Oct 25, 18:0018.5N 127.9E40 kt998 mbTropical storm
Oct 26, 00:0018.8N 128.6E30 kt1002 mbTropical storm
Oct 26, 06:0018.9N 129.0E25 kt1004 mbMixed
Oct 26, 12:0019.0N 129.4E25 kt1004 mbMixed
Oct 26, 18:0018.8N 129.8E25 kt1006 mbMixed
Oct 27, 00:0018.6N 130.2E25 kt1006 mbMixed
Oct 27, 06:0018.4N 130.6E25 kt1004 mbMixed
Oct 27, 12:0018.3N 131.1E25 kt1002 mbTropical storm
Oct 27, 18:0018.1N 131.6E25 kt1002 mbTropical storm
Oct 28, 00:0017.9N 132.0E30 kt1002 mbTropical storm
Oct 28, 06:0018.4N 132.1E30 kt1002 mbTropical storm
Oct 28, 12:0018.1N 131.1E30 kt1002 mbTropical storm
Oct 28, 18:0017.9N 129.7E30 kt1002 mbMixed
Oct 29, 00:0017.1N 128.8E30 kt1002 mbMixed
Oct 29, 06:0017.7N 128.8E30 kt1000 mbMixed
Oct 29, 12:0018.1N 128.6E30 kt1000 mbMixed
Oct 29, 18:0018.3N 128.9E35 kt1000 mbTropical storm
Oct 30, 00:0018.6N 129.2E35 kt1000 mbTropical storm
Oct 30, 06:0019.1N 129.5E40 kt996 mbTropical storm
Oct 30, 12:0020.0N 129.6E45 kt992 mbTropical storm
Oct 30, 18:0021.0N 129.7E50 kt985 mbTropical storm
Oct 31, 00:0021.7N 130.2E60 kt985 mbTropical storm
Oct 31, 06:0022.5N 130.9E50 kt985 mbTropical storm
Oct 31, 12:0023.2N 131.6E45 kt990 mbTropical storm
Oct 31, 18:0023.9N 132.5E45 kt990 mbTropical storm
Nov 1, 00:0024.5N 133.5E45 kt990 mbTropical storm
Nov 1, 06:0025.2N 134.8E50 kt990 mbTropical storm
Nov 1, 12:0026.2N 136.6E55 kt995 mbTropical storm
Nov 1, 18:0027.4N 138.4E55 kt995 mbTropical storm
Nov 2, 00:0027.2N 140.4E50 kt995 mbTropical storm
Nov 2, 06:0028.0N 144.0E45 kt1002 mbMixed
Nov 2, 12:0030.0N 147.0E45 kt1002 mbMixed
Nov 2, 18:0032.0N 151.0E50 kt1004 mbMixed
Nov 3, 00:0034.0N 156.0E55 kt1006 mbMixed
Nov 3, 06:0036.0N 159.0E45 kt1000 mbMixed
Nov 3, 12:0038.0N 164.0E40 kt1000 mbMixed
Nov 3, 18:0040.0N 167.0E40 kt1000 mbMixed
Nov 4, 00:0042.0N 172.0E35 kt1000 mbMixed
Nov 4, 06:0044.0N 178.0E35 kt1000 mbMixed
Nov 4, 12:0045.0N 184.0EExtratropical

Other Western Pacific 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.

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.