Cyclone Sean (2025)

Cyclone Sean reached Category 4 in the South Indian between January 17, 2025 and January 23, 2025, with a lowest pressure of 936 mb, and made landfall.

Track and intensity

The whole track of Cyclone Sean, colored by strength, with the other storms of the 2025 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: January 17, 2025 to January 23, 2025
Peak strength: Category 4, 115 kt (132 mph)
Lowest pressure: 936 mb (27.64 inHg)
Landfall: Yes
Accumulated cyclone energy: 9.2
Identifier: SH102025

Deaths and damage

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

Track

Time (UTC)	Position	Wind	Pressure	Status
Jan 17, 00:00	17.7S 122.2E	20 kt	1000 mb	Disturbance
Jan 17, 06:00	18.2S 121.7E	25 kt	1000 mb	Disturbance
Jan 17, 12:00	18.9S 120.7E	25 kt	998 mb	Tropical storm
Jan 17, 18:00	19.1S 120.2E	30 kt	998 mb	Tropical storm
Jan 18, 00:00	19.3S 119.1E	35 kt	996 mb	Tropical storm
Jan 18, 06:00	19.3S 118.1E	35 kt	996 mb	Tropical storm
Jan 18, 12:00	18.9S 117.8E	45 kt	996 mb	Tropical storm
Jan 18, 18:00	19.2S 117.3E	45 kt	992 mb	Tropical storm
Jan 19, 00:00	19.5S 116.1E	51 kt	987 mb	Tropical storm
Jan 19, 06:00	19.6S 115.3E	54 kt	985 mb	Tropical storm
Jan 19, 12:00	20.2S 114.4E	64 kt	978 mb	Tropical storm
Jan 19, 18:00	20.5S 113.3E	74 kt	975 mb	Tropical storm
Jan 20, 00:00	21.0S 112.3E	93 kt	961 mb	Tropical storm
Jan 20, 06:00	21.6S 111.7E	109 kt	940 mb	Tropical storm
Jan 20, 12:00	22.6S 110.8E	115 kt	936 mb	Tropical storm
Jan 20, 18:00	23.3S 110.0E	105 kt	948 mb	Tropical storm
Jan 21, 00:00	24.1S 109.2E	93 kt	956 mb	Tropical storm
Jan 21, 06:00	25.1S 108.4E	80 kt	966 mb	Tropical storm
Jan 21, 12:00	26.3S 107.5E	64 kt	977 mb	Tropical storm
Jan 21, 18:00	26.8S 107.5E	54 kt	982 mb	Tropical storm
Jan 22, 00:00	27.3S 107.0E	45 kt	988 mb	Tropical storm
Jan 22, 06:00	27.9S 107.0E	45 kt	987 mb	Tropical storm
Jan 22, 12:00	28.2S 107.2E	39 kt	992 mb	Extratropical
Jan 22, 18:00	28.4S 107.5E	39 kt	991 mb	Extratropical
Jan 23, 00:00	29.2S 107.8E	39 kt	994 mb	Extratropical
Jan 23, 06:00	30.2S 108.2E	25 kt	998 mb	Extratropical

Other South Indian storms of 2025

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.