The 1999 season

Unnamed tropical depression (1999)

Unnamed tropical depression peaked at 25 kt in the Western Pacific between July 23, 1999 and July 28, 1999, with a lowest pressure of 985 mb, and made landfall.

Track and intensity

The whole track of Unnamed tropical depression, colored by strength, with the other storms of the 1999 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 23, 1999 to July 28, 1999
Peak strength
Tropical Depression, 25 kt (29 mph)
Lowest pressure
985 mb (29.09 inHg)
Landfall
Yes
Accumulated cyclone energy
0.0
Identifier
WP101999

Deaths and damage

No source this site reads carries a casualty or damage figure for this storm.

Track

Time (UTC)PositionWindPressureStatus
Jul 23, 00:0016.0N 116.6E15 kt996 mbTropical storm
Jul 23, 06:0016.3N 116.9E20 kt996 mbTropical storm
Jul 23, 12:0016.8N 117.2E20 kt996 mbTropical storm
Jul 23, 18:0017.3N 117.4E20 kt994 mbTropical storm
Jul 24, 00:0017.7N 117.2E20 kt992 mbTropical storm
Jul 24, 06:0018.2N 116.5E20 kt992 mbTropical storm
Jul 24, 12:0018.2N 115.5E20 kt994 mbTropical storm
Jul 24, 18:0018.0N 114.3E20 kt994 mbTropical storm
Jul 25, 00:0018.0N 113.6E20 kt994 mbTropical storm
Jul 25, 06:0018.2N 113.3E20 kt994 mbTropical storm
Jul 25, 12:0018.5N 113.2E20 kt994 mbTropical storm
Jul 25, 18:0018.9N 113.2E25 kt994 mbTropical storm
Jul 26, 00:0019.4N 113.3E25 kt994 mbTropical storm
Jul 26, 06:0019.9N 113.4E25 kt994 mbTropical storm
Jul 26, 12:0020.2N 113.5E25 kt992 mbTropical storm
Jul 26, 18:0020.5N 113.7E25 kt990 mbTropical storm
Jul 27, 00:0021.3N 114.5E25 kt985 mbTropical storm
Jul 27, 06:0022.6N 115.4E25 kt990 mbTropical storm
Jul 27, 12:0024.5N 116.4E20 kt992 mbTropical storm
Jul 27, 18:0026.7N 118.0E20 kt994 mbTropical storm
Jul 28, 00:0026.8N 118.9E996 mbTropical storm
Jul 28, 06:0027.6N 119.2E996 mbTropical storm

Other Western Pacific storms of 1999

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.