The 1951 season

Unnamed tropical depression (1951)

Unnamed tropical depression peaked at unknown kt in the Western Pacific between February 19, 1951 and February 21, 1951, with a lowest pressure of 990 mb.

Track and intensity

The whole track of Unnamed tropical depression, colored by strength, with the other storms of the 1951 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
February 19, 1951 to February 21, 1951
Peak strength
Tropical Depression
Lowest pressure
990 mb (29.23 inHg)
Landfall
No; closest approach 1242 km (772 mi)
Accumulated cyclone energy
0.0
Identifier
1951050N20139

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
Feb 19, 06:0020.0N 138.5E1010 mbTropical storm
Feb 19, 12:0020.0N 138.5E1010 mbTropical storm
Feb 19, 18:0023.0N 142.1E1000 mbTropical storm
Feb 20, 00:0025.0N 146.0E994 mbTropical storm
Feb 20, 06:0027.6N 150.6E994 mbTropical storm
Feb 20, 12:0028.9N 153.3E994 mbTropical storm
Feb 20, 18:0031.3N 157.5E992 mbTropical storm
Feb 21, 00:0032.6N 162.1E990 mbTropical storm
Feb 21, 06:0033.9N 166.0E990 mbExtratropical
Feb 21, 12:0036.0N 170.0E990 mbExtratropical

Other Western Pacific storms of 1951

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.