The 1985 season

Tropical Storm Irving (1985)

Tropical Storm Irving peaked at 60 kt in the Western Pacific between December 13, 1985 and December 22, 1985, with a lowest pressure of 992 mb.

Track and intensity

The whole track of Tropical Storm Irving, 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
December 13, 1985 to December 22, 1985
Peak strength
Tropical Storm, 60 kt (69 mph)
Lowest pressure
992 mb (29.29 inHg)
Landfall
No; closest approach 158 km (98 mi)
Accumulated cyclone energy
3.7
Identifier
WP261985

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
Dec 13, 00:008.5N 114.2EDisturbance
Dec 13, 06:008.4N 114.2EDisturbance
Dec 13, 12:008.2N 114.3EDisturbance
Dec 13, 18:008.1N 114.3EDisturbance
Dec 14, 00:008.0N 114.3EDisturbance
Dec 14, 06:007.9N 114.3EDisturbance
Dec 14, 12:007.9N 114.3EDisturbance
Dec 14, 18:007.9N 114.4EDisturbance
Dec 15, 00:007.8N 114.4EDisturbance
Dec 15, 06:007.7N 114.4EDisturbance
Dec 15, 12:007.7N 114.4EDisturbance
Dec 15, 18:007.6N 114.4EDisturbance
Dec 16, 00:007.6N 114.5EDisturbance
Dec 16, 06:007.6N 114.6E25 ktMixed
Dec 16, 12:007.5N 114.9E25 ktTropical storm
Dec 16, 18:007.5N 115.2E30 ktTropical storm
Dec 17, 00:007.6N 115.5E35 kt1004 mbTropical storm
Dec 17, 06:007.9N 115.5E40 kt1004 mbTropical storm
Dec 17, 12:008.0N 115.2E45 kt1004 mbTropical storm
Dec 17, 18:008.0N 114.9E50 kt1004 mbTropical storm
Dec 18, 00:007.8N 114.6E55 kt1000 mbTropical storm
Dec 18, 06:007.6N 114.4E60 kt998 mbTropical storm
Dec 18, 12:007.3N 114.3E55 kt996 mbTropical storm
Dec 18, 18:007.2N 113.9E55 kt994 mbTropical storm
Dec 19, 00:007.6N 113.5E50 kt994 mbTropical storm
Dec 19, 06:008.3N 113.2E45 kt994 mbTropical storm
Dec 19, 12:008.6N 112.4E45 kt994 mbTropical storm
Dec 19, 18:008.8N 111.6E45 kt994 mbTropical storm
Dec 20, 00:009.0N 110.9E45 kt992 mbTropical storm
Dec 20, 06:009.2N 110.1E45 kt994 mbTropical storm
Dec 20, 12:009.4N 109.4E40 kt1000 mbTropical storm
Dec 20, 18:009.4N 108.8E35 kt1000 mbTropical storm
Dec 21, 00:009.0N 108.3E35 kt1004 mbTropical storm
Dec 21, 06:008.3N 107.9E30 kt1006 mbTropical storm
Dec 21, 12:007.6N 107.2E30 kt1004 mbMixed
Dec 21, 18:006.8N 106.6E30 kt1004 mbTropical storm
Dec 22, 00:006.1N 105.9E25 kt1004 mbTropical storm
Dec 22, 06:006.0N 106.0E1008 mbTropical storm
Dec 22, 12:005.0N 106.0E1008 mbTropical storm

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.