The 1971 season

Tropical Depression Carmen (1971)

Tropical Depression Carmen peaked at unknown kt in the South Indian between November 20, 1970 and November 30, 1970, with a lowest pressure of 990 mb.

Track and intensity

The whole track of Tropical Depression Carmen, colored by strength, with the other storms of the 1971 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
South Indian
Dates
November 20, 1970 to November 30, 1970
Peak strength
Tropical Depression
Lowest pressure
990 mb (29.23 inHg)
Landfall
No; closest approach 852 km (529 mi)
Accumulated cyclone energy
0.0
Identifier
SH031971

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 20, 00:008.0S 92.0E1002 mbTropical storm
Nov 20, 06:009.0S 91.4E1002 mbTropical storm
Nov 20, 12:0010.0S 90.8E1001 mbTropical storm
Nov 20, 18:0011.0S 90.4E1001 mbTropical storm
Nov 21, 00:0012.0S 90.0E1001 mbTropical storm
Nov 21, 06:0012.5S 90.1E1001 mbTropical storm
Nov 21, 12:0013.0S 90.3E1000 mbTropical storm
Nov 21, 18:0012.8S 92.4E1000 mbTropical storm
Nov 22, 00:0013.2S 92.3E998 mbTropical storm
Nov 22, 06:0013.8S 92.2E996 mbTropical storm
Nov 22, 12:0014.5S 92.1E994 mbTropical storm
Nov 22, 18:0015.2S 91.9E992 mbTropical storm
Nov 23, 00:0015.7S 91.4E990 mbTropical storm
Nov 23, 06:0016.2S 90.9E992 mbTropical storm
Nov 23, 12:0016.6S 90.4E996 mbTropical storm
Nov 23, 18:0017.0S 90.0E999 mbTropical storm
Nov 24, 00:0017.4S 89.5E1002 mbTropical storm
Nov 24, 06:0017.8S 89.0E1003 mbTropical storm
Nov 24, 12:0018.2S 88.2E1004 mbTropical storm
Nov 24, 18:0018.6S 87.2E1005 mbTropical storm
Nov 25, 00:0019.0S 85.9E1006 mbTropical storm
Nov 25, 06:0019.3S 84.7E1006 mbTropical storm
Nov 25, 12:0019.3S 83.6E1006 mbTropical storm
Nov 25, 18:0019.2S 82.6E1006 mbTropical storm
Nov 26, 00:0019.1S 81.8E1006 mbTropical storm
Nov 26, 06:0018.9S 80.9ETropical storm
Nov 26, 12:0018.8S 79.8ETropical storm
Nov 26, 18:0018.6S 78.7ETropical storm
Nov 27, 00:0018.2S 77.6ETropical storm
Nov 27, 06:0017.8S 76.5ETropical storm
Nov 27, 12:0017.7S 75.6ETropical storm
Nov 27, 18:0017.7S 74.8ETropical storm
Nov 28, 00:0017.5S 73.8ETropical storm
Nov 28, 06:0017.4S 72.7ETropical storm
Nov 28, 12:0017.4S 71.9ETropical storm
Nov 28, 18:0017.3S 71.1ETropical storm
Nov 29, 00:0017.3S 69.9ETropical storm
Nov 29, 06:0017.2S 68.8ETropical storm
Nov 29, 12:0017.2S 67.9ETropical storm
Nov 29, 18:0017.1S 67.0ETropical storm
Nov 30, 00:0017.1S 66.1ETropical storm
Nov 30, 06:0017.0S 65.1ETropical storm

Other South Indian storms of 1971

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.