The 1945 season

Typhoon Jean (1945)

Typhoon Jean reached Category 2 in the Western Pacific between September 25, 1945 and October 2, 1945.

Track and intensity

The whole track of Typhoon Jean, colored by strength, with the other storms of the 1945 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
September 25, 1945 to October 2, 1945
Peak strength
Category 2, 90 kt (104 mph)
Landfall
No; closest approach 22 km (14 mi)
Accumulated cyclone energy
10.4
Identifier
WP211945

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
Sep 25, 00:0011.5N 142.5E25 ktTropical storm
Sep 25, 06:0012.0N 141.6E25 ktTropical storm
Sep 25, 12:0012.5N 140.8E25 ktTropical storm
Sep 25, 18:0013.0N 140.0E25 ktTropical storm
Sep 26, 00:0013.5N 139.0E25 ktTropical storm
Sep 26, 06:0014.0N 138.1E25 ktTropical storm
Sep 26, 12:0014.6N 137.2E30 ktTropical storm
Sep 26, 18:0015.0N 136.4E40 ktTropical storm
Sep 27, 00:0015.5N 135.5E45 ktTropical storm
Sep 27, 06:0015.8N 134.5E50 ktTropical storm
Sep 27, 12:0016.2N 133.7E55 ktTropical storm
Sep 27, 18:0016.6N 132.9E60 ktTropical storm
Sep 28, 00:0017.0N 132.0E65 ktTropical storm
Sep 28, 06:0017.3N 131.4E70 ktTropical storm
Sep 28, 12:0017.7N 130.7E70 ktTropical storm
Sep 28, 18:0018.0N 130.1E75 ktTropical storm
Sep 29, 00:0018.5N 129.5E75 ktTropical storm
Sep 29, 06:0019.2N 128.5E80 ktTropical storm
Sep 29, 12:0019.7N 127.3E80 ktTropical storm
Sep 29, 18:0020.1N 126.2E85 ktTropical storm
Sep 30, 00:0020.5N 125.0E85 ktTropical storm
Sep 30, 06:0021.0N 123.3E90 ktTropical storm
Sep 30, 12:0021.5N 121.8E85 ktTropical storm
Sep 30, 18:0021.8N 120.0E80 ktTropical storm
Oct 1, 00:0023.5N 119.0E75 ktTropical storm
Oct 1, 06:0024.7N 119.7E70 ktTropical storm
Oct 1, 12:0025.5N 120.5E60 ktTropical storm
Oct 1, 18:0026.3N 121.5E45 ktTropical storm
Oct 2, 00:0027.0N 122.5E35 ktTropical storm

Other Western Pacific storms of 1945

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.