The 1972 season

Unnamed tropical depression (1972)

Unnamed tropical depression peaked at unknown kt in the Western Pacific between July 22, 1972 and July 30, 1972, with a lowest pressure of 990 mb.

Track and intensity

The whole track of Unnamed tropical depression, colored by strength, with the other storms of the 1972 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 22, 1972 to July 30, 1972
Peak strength
Tropical Depression
Lowest pressure
990 mb (29.23 inHg)
Landfall
No; closest approach 1019 km (633 mi)
Accumulated cyclone energy
0.0
Identifier
1972204N20148

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
Jul 22, 00:0019.7N 147.8ETropical storm
Jul 22, 06:0020.2N 147.3ETropical storm
Jul 22, 12:0021.0N 146.6ETropical storm
Jul 22, 18:0021.6N 146.0ETropical storm
Jul 23, 00:0022.2N 145.2ETropical storm
Jul 23, 06:0022.8N 144.5EDisturbance
Jul 23, 12:0023.3N 144.2EDisturbance
Jul 23, 18:0023.8N 143.8EDisturbance
Jul 24, 00:0024.3N 143.4EDisturbance
Jul 24, 06:0024.9N 143.2ETropical storm
Jul 24, 12:0025.7N 143.0ETropical storm
Jul 24, 18:0026.3N 143.6ETropical storm
Jul 25, 00:0026.4N 144.5ETropical storm
Jul 25, 06:0024.6N 144.3E1000 mbTropical storm
Jul 25, 12:0024.0N 143.6E1000 mbTropical storm
Jul 25, 18:0023.6N 142.7E1000 mbTropical storm
Jul 26, 00:0022.5N 142.1E1000 mbTropical storm
Jul 26, 06:0021.8N 142.3E998 mbTropical storm
Jul 26, 12:0021.4N 142.9E998 mbTropical storm
Jul 26, 18:0021.4N 143.6E998 mbTropical storm
Jul 27, 00:0021.5N 144.1E996 mbTropical storm
Jul 27, 06:0021.5N 144.4E990 mbTropical storm
Jul 27, 12:0021.6N 144.7E990 mbTropical storm
Jul 27, 18:0021.5N 144.8E992 mbTropical storm
Jul 28, 00:0021.4N 144.6E996 mbTropical storm
Jul 28, 06:0021.3N 144.2E998 mbTropical storm
Jul 28, 12:0021.3N 143.8E1000 mbTropical storm
Jul 28, 18:0021.2N 143.3E1000 mbTropical storm
Jul 29, 00:0021.2N 142.7E1002 mbTropical storm
Jul 29, 06:0021.1N 142.0E1002 mbTropical storm
Jul 29, 12:0021.0N 141.0E1002 mbTropical storm
Jul 29, 18:0021.0N 140.0E1002 mbMixed
Jul 30, 00:0021.0N 139.0E1004 mbMixed
Jul 30, 06:0021.0N 138.0E1004 mbTropical storm
Jul 30, 12:0021.0N 137.0E1004 mbTropical storm

Other Western Pacific storms of 1972

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.