The 1985 season

Typhoon Irma (1985)

Typhoon Irma reached Category 2 in the Western Pacific between June 17, 1985 and July 7, 1985, with a lowest pressure of 960 mb, and made landfall.

Track and intensity

The whole track of Typhoon Irma, colored by strength, with the other storms of the 1985 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
June 17, 1985 to July 7, 1985
Peak strength
Category 2, 90 kt (104 mph)
Lowest pressure
960 mb (28.35 inHg)
Landfall
Yes
Accumulated cyclone energy
12.6
Fastest the center moved
43 kt (49 mph)
Identifier
WP061985

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
Jun 17, 00:004.8N 155.6EDisturbance
Jun 17, 06:004.8N 155.0EDisturbance
Jun 17, 12:004.8N 154.5EDisturbance
Jun 17, 18:004.8N 154.0EDisturbance
Jun 18, 00:004.9N 153.4EDisturbance
Jun 18, 06:005.0N 152.8EDisturbance
Jun 18, 12:005.1N 152.2EDisturbance
Jun 18, 18:005.1N 151.7EDisturbance
Jun 19, 00:005.2N 151.2EDisturbance
Jun 19, 06:005.3N 150.6EDisturbance
Jun 19, 12:005.4N 149.9EDisturbance
Jun 19, 18:005.5N 149.3EDisturbance
Jun 20, 00:005.5N 148.8EDisturbance
Jun 20, 06:005.5N 148.2EDisturbance
Jun 20, 12:005.5N 147.5EDisturbance
Jun 20, 18:005.6N 146.9EDisturbance
Jun 21, 00:005.7N 146.2EDisturbance
Jun 21, 06:005.7N 145.6EDisturbance
Jun 21, 12:005.7N 144.9EDisturbance
Jun 21, 18:005.7N 144.2EDisturbance
Jun 22, 00:005.8N 143.5EDisturbance
Jun 22, 06:005.8N 142.7EDisturbance
Jun 22, 12:005.9N 142.0EDisturbance
Jun 22, 18:006.0N 141.3EDisturbance
Jun 23, 00:006.1N 140.7EDisturbance
Jun 23, 06:006.3N 140.0EDisturbance
Jun 23, 12:006.6N 139.6EDisturbance
Jun 23, 18:006.8N 139.1EDisturbance
Jun 24, 00:007.1N 138.1EDisturbance
Jun 24, 06:007.5N 137.2E1004 mbMixed
Jun 24, 12:008.1N 135.9E25 kt1002 mbTropical storm
Jun 24, 18:008.8N 134.9E30 kt1000 mbTropical storm
Jun 25, 00:009.4N 134.0E40 kt998 mbTropical storm
Jun 25, 06:009.9N 133.2E45 kt994 mbTropical storm
Jun 25, 12:0010.4N 132.5E50 kt990 mbTropical storm
Jun 25, 18:0011.0N 132.0E55 kt990 mbTropical storm
Jun 26, 00:0011.5N 131.5E60 kt990 mbTropical storm
Jun 26, 06:0012.3N 131.0E60 kt990 mbTropical storm
Jun 26, 12:0013.1N 130.6E60 kt990 mbTropical storm
Jun 26, 18:0013.9N 130.3E60 kt990 mbTropical storm
Jun 27, 00:0014.9N 130.2E60 kt990 mbTropical storm
Jun 27, 06:0015.8N 130.0E65 kt980 mbTropical storm
Jun 27, 12:0016.7N 129.7E75 kt980 mbTropical storm
Jun 27, 18:0017.7N 129.6E75 kt970 mbTropical storm
Jun 28, 00:0018.8N 129.7E75 kt965 mbTropical storm
Jun 28, 06:0020.0N 129.8E80 kt965 mbTropical storm
Jun 28, 12:0021.3N 129.9E80 kt960 mbTropical storm
Jun 28, 18:0022.8N 130.0E85 kt960 mbTropical storm
Jun 29, 00:0024.4N 130.1E90 kt960 mbTropical storm
Jun 29, 06:0025.7N 130.2E90 kt960 mbTropical storm
Jun 29, 12:0027.0N 130.5E85 kt960 mbTropical storm
Jun 29, 18:0028.2N 131.0E80 kt965 mbTropical storm
Jun 30, 00:0029.4N 131.9E75 kt965 mbTropical storm
Jun 30, 06:0030.9N 133.4E75 kt965 mbTropical storm
Jun 30, 12:0032.4N 135.5E75 kt965 mbTropical storm
Jun 30, 18:0034.8N 138.7E65 kt968 mbTropical storm
Jul 1, 00:0037.7N 142.5E60 kt972 mbTropical storm
Jul 1, 06:0040.1N 146.5E55 kt974 mbMixed
Jul 1, 12:0043.3N 147.5E974 mbExtratropical
Jul 1, 18:0044.7N 149.5E974 mbExtratropical
Jul 2, 00:0046.0N 151.1E976 mbExtratropical
Jul 2, 06:0046.6N 154.6E976 mbExtratropical
Jul 2, 12:0047.0N 157.8E976 mbExtratropical
Jul 2, 18:0047.8N 160.8E980 mbExtratropical
Jul 3, 00:0048.5N 163.3E980 mbExtratropical
Jul 3, 06:0050.5N 164.5E982 mbExtratropical
Jul 3, 12:0052.0N 165.3E984 mbExtratropical
Jul 3, 18:0053.0N 165.3E986 mbExtratropical
Jul 4, 00:0053.5N 165.3E986 mbExtratropical
Jul 4, 06:0054.0N 165.8E986 mbExtratropical
Jul 4, 12:0054.3N 166.2E988 mbExtratropical
Jul 4, 18:0054.3N 166.3E988 mbExtratropical
Jul 5, 00:0054.4N 166.6E988 mbExtratropical
Jul 5, 06:0054.5N 167.0E988 mbExtratropical
Jul 5, 12:0055.0N 167.0E988 mbExtratropical
Jul 5, 18:0056.0N 167.0E988 mbExtratropical
Jul 6, 00:0057.0N 166.0E986 mbExtratropical
Jul 6, 06:0057.5N 165.0E984 mbExtratropical
Jul 6, 12:0058.0N 164.0E984 mbExtratropical
Jul 6, 18:0058.5N 163.5E988 mbExtratropical
Jul 7, 00:0058.5N 163.0E992 mbExtratropical
Jul 7, 06:0059.0N 162.5E994 mbExtratropical
Jul 7, 12:0059.0N 162.0E998 mbExtratropical
Jul 7, 18:0060.0N 162.0E1000 mbExtratropical

Other Western Pacific storms of 1985

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.