The 1998 season

Unnamed tropical depression (1998)

Unnamed tropical depression peaked at 25 kt in the Western Pacific between December 17, 1998 and December 19, 1998, and made landfall.

Track and intensity

The whole track of Unnamed tropical depression, colored by strength, with the other storms of the 1998 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 17, 1998 to December 19, 1998
Peak strength
Tropical Depression, 25 kt (29 mph)
Landfall
Yes
Accumulated cyclone energy
0.0
Identifier
WP261998

Deaths and damage

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

Track

Time (UTC)PositionWindPressureStatus
Dec 17, 00:0010.9N 125.0E20 ktNot reported
Dec 17, 06:0011.6N 123.9E20 ktNot reported
Dec 17, 12:0012.5N 122.9E25 ktNot reported
Dec 17, 18:0013.4N 122.1E25 ktNot reported
Dec 18, 00:0014.5N 121.5E25 ktNot reported
Dec 18, 06:0015.4N 121.1E25 ktNot reported
Dec 18, 12:0016.3N 120.7E25 ktNot reported
Dec 18, 18:0017.5N 120.3E25 ktNot reported
Dec 19, 00:0018.7N 119.8E20 ktNot reported

Other Western Pacific storms of 1998

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.