The 1957 season

Unnamed tropical storm (1957)

Unnamed tropical storm peaked at 45 kt in the South Pacific between November 11, 1956 and November 18, 1956, with a lowest pressure of 1002 mb.

Track and intensity

The whole track of Unnamed tropical storm, colored by strength, with the other storms of the 1957 season in the same basin behind it, and its wind and pressure hour by hour. Every fix is in the track table below.

Open the live map with storms, cones and warnings

The storm

Basin
South Pacific
Dates
November 11, 1956 to November 18, 1956
Peak strength
Tropical Storm, 45 kt (52 mph)
Lowest pressure
1002 mb (29.59 inHg)
Landfall
No; closest approach 130 km (81 mi)
Accumulated cyclone energy
0.7
Identifier
SH051957

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
Nov 11, 06:0012.1S 156.5E15 ktTropical storm
Nov 11, 12:0012.4S 156.7E15 ktTropical storm
Nov 11, 18:0012.8S 157.1E15 ktTropical storm
Nov 12, 00:0013.2S 157.6E15 ktTropical storm
Nov 12, 06:0013.5S 158.1E15 ktTropical storm
Nov 12, 12:0013.4S 158.6E15 ktTropical storm
Nov 12, 18:0013.3S 159.1E15 ktTropical storm
Nov 13, 00:0013.0S 159.6E15 ktTropical storm
Nov 13, 06:0013.1S 160.1E15 ktTropical storm
Nov 13, 12:0013.9S 161.2E15 ktTropical storm
Nov 13, 18:0014.8S 162.5E15 ktTropical storm
Nov 14, 00:0015.8S 163.6E20 ktTropical storm
Nov 14, 06:0016.6S 164.7E20 ktTropical storm
Nov 14, 12:0017.3S 166.3E35 ktTropical storm
Nov 14, 18:0018.0S 167.8E45 ktTropical storm
Nov 15, 00:0018.8S 169.1E30 ktTropical storm
Nov 15, 06:0019.7S 170.2E20 ktTropical storm
Nov 15, 12:0021.3S 170.9E25 ktTropical storm
Nov 15, 18:0022.9S 172.0E30 ktTropical storm
Nov 16, 00:0024.0S 173.6E30 ktTropical storm
Nov 16, 06:0025.3S 175.3E30 ktTropical storm
Nov 16, 12:0027.4S 176.8E30 ktTropical storm
Nov 16, 18:0029.2S 178.2E30 ktTropical storm
Nov 17, 00:0030.2S 177.7E35 ktTropical storm
Nov 17, 06:0031.1S 177.7E40 ktTropical storm
Nov 17, 12:0032.0S 178.8E35 ktTropical storm
Nov 17, 18:0032.5S 179.8W30 ktTropical storm
Nov 18, 00:0032.3S 178.3W30 ktTropical storm
Nov 18, 06:0032.0S 176.8W30 ktTropical storm
Nov 18, 12:0032.0S 175.3W20 ktTropical storm

Other South Pacific storms of 1957

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.