The 1989 season

Unnamed tropical depression (1989)

Unnamed tropical depression peaked at 30 kt in the Eastern Pacific between July 15, 1989 and July 18, 1989.

Track and intensity

The whole track of Unnamed tropical depression, colored by strength, with the other storms of the 1989 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
Eastern Pacific
Dates
July 15, 1989 to July 18, 1989
Peak strength
Tropical Depression, 30 kt (35 mph)
Landfall
No; closest approach 835 km (519 mi)
Accumulated cyclone energy
0.0
Fastest the center moved
25 kt (29 mph)
Identifier
EP071989

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 15, 00:0013.7N 110.2W25 ktTropical depression
Jul 15, 06:0013.7N 110.3W25 ktTropical depression
Jul 15, 12:0013.9N 111.9W25 ktTropical depression
Jul 15, 18:0014.1N 113.9W25 ktTropical depression
Jul 16, 00:0014.4N 116.4W25 ktTropical depression
Jul 16, 06:0015.0N 118.7W25 ktTropical depression
Jul 16, 12:0015.9N 120.3W30 ktTropical depression
Jul 16, 18:0016.8N 121.7W30 ktTropical depression
Jul 17, 00:0017.6N 123.1W30 ktTropical depression
Jul 17, 06:0018.6N 124.8W30 ktTropical depression
Jul 17, 12:0019.6N 126.5W30 ktTropical depression
Jul 17, 18:0020.6N 128.3W25 ktTropical depression
Jul 18, 00:0021.3N 129.8W25 ktTropical depression
Jul 18, 06:0021.8N 131.2W25 ktTropical depression

Other Eastern Pacific storms of 1989

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.

The National Hurricane Center has published no tropical cyclone report for this storm.