Blossom: 2026 South-West Indian

Blossom reached 35 kt (65 km/h, 40 mph) (TS) in the 2026 South-West Indian season, from 2025-09-05 to 2025-09-14, with track, wind and pressure and 0.3 ACE.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Key Facts

Blossom was a tropical storm at its peak in the 2026 South-West Indian season.
Peak maximum sustained wind was 35 kt (65 km/h, 40 mph), reached on 9 September 2025, and the lowest pressure was 1,003 hPa.
The track runs from 5 September 2025 to 14 September 2025 with 69 six hourly positions.
Blossom accumulated 0.3 ACE.
No landfall is recorded in the track.

Track

5 September 2025 to 14 September 2025

Blossom formed on 5 September 2025 and its track is coloured by category at each six hourly step, peaking as a tropical storm. Made with Natural Earth and IBTrACS.

Wind

Knots, six hourly

Maximum sustained wind in knots every six hours, from 25 kt (46 km/h, 29 mph) at the start to a peak of 35 kt (65 km/h, 40 mph).

Maximum sustained wind of Blossom
Time (UTC)	Wind (kt)
2025-09-05T18:00:00Z	25 kt
2025-09-05T21:00:00Z	n/a
2025-09-06T00:00:00Z	20 kt
2025-09-06T03:00:00Z	n/a
2025-09-06T06:00:00Z	20 kt
2025-09-06T09:00:00Z	n/a
2025-09-06T12:00:00Z	20 kt
2025-09-06T15:00:00Z	n/a
2025-09-06T18:00:00Z	20 kt
2025-09-06T21:00:00Z	n/a
2025-09-07T00:00:00Z	20 kt
2025-09-07T03:00:00Z	n/a
2025-09-07T06:00:00Z	25 kt
2025-09-07T09:00:00Z	n/a
2025-09-07T12:00:00Z	25 kt
2025-09-07T15:00:00Z	n/a
2025-09-07T18:00:00Z	25 kt
2025-09-07T21:00:00Z	n/a
2025-09-08T00:00:00Z	25 kt
2025-09-08T03:00:00Z	n/a
2025-09-08T06:00:00Z	25 kt
2025-09-08T09:00:00Z	n/a
2025-09-08T12:00:00Z	30 kt
2025-09-08T15:00:00Z	n/a
2025-09-08T18:00:00Z	30 kt
2025-09-08T21:00:00Z	n/a
2025-09-09T00:00:00Z	30 kt
2025-09-09T03:00:00Z	n/a
2025-09-09T06:00:00Z	30 kt
2025-09-09T09:00:00Z	35 kt
2025-09-09T12:00:00Z	30 kt
2025-09-09T15:00:00Z	35 kt
2025-09-09T18:00:00Z	30 kt
2025-09-09T21:00:00Z	35 kt
2025-09-10T00:00:00Z	30 kt
2025-09-10T03:00:00Z	35 kt
2025-09-10T06:00:00Z	30 kt
2025-09-10T09:00:00Z	35 kt
2025-09-10T12:00:00Z	30 kt
2025-09-10T15:00:00Z	35 kt
2025-09-10T18:00:00Z	35 kt
2025-09-10T21:00:00Z	35 kt
2025-09-11T00:00:00Z	35 kt
2025-09-11T03:00:00Z	35 kt
2025-09-11T06:00:00Z	30 kt
2025-09-11T09:00:00Z	35 kt
2025-09-11T12:00:00Z	30 kt
2025-09-11T15:00:00Z	35 kt
2025-09-11T18:00:00Z	30 kt
2025-09-11T21:00:00Z	32 kt
2025-09-12T00:00:00Z	30 kt
2025-09-12T03:00:00Z	29 kt
2025-09-12T06:00:00Z	25 kt
2025-09-12T09:00:00Z	27 kt
2025-09-12T12:00:00Z	25 kt
2025-09-12T15:00:00Z	25 kt
2025-09-12T18:00:00Z	20 kt
2025-09-12T21:00:00Z	25 kt
2025-09-13T00:00:00Z	20 kt
2025-09-13T03:00:00Z	n/a
2025-09-13T06:00:00Z	20 kt
2025-09-13T09:00:00Z	n/a
2025-09-13T12:00:00Z	15 kt
2025-09-13T15:00:00Z	n/a
2025-09-13T18:00:00Z	15 kt
2025-09-13T21:00:00Z	n/a
2025-09-14T00:00:00Z	15 kt
2025-09-14T03:00:00Z	n/a
2025-09-14T06:00:00Z	15 kt

Pressure

hPa, six hourly

Central pressure in hectopascals every six hours, falling to 1,003 hPa at the lowest.

Central pressure of Blossom
Time (UTC)	Pressure (hPa)
2025-09-05T18:00:00Z	1009 hPa
2025-09-05T21:00:00Z	n/a
2025-09-06T00:00:00Z	1009 hPa
2025-09-06T03:00:00Z	n/a
2025-09-06T06:00:00Z	1009 hPa
2025-09-06T09:00:00Z	n/a
2025-09-06T12:00:00Z	1009 hPa
2025-09-06T15:00:00Z	n/a
2025-09-06T18:00:00Z	1009 hPa
2025-09-06T21:00:00Z	n/a
2025-09-07T00:00:00Z	1009 hPa
2025-09-07T03:00:00Z	n/a
2025-09-07T06:00:00Z	1008 hPa
2025-09-07T09:00:00Z	n/a
2025-09-07T12:00:00Z	1008 hPa
2025-09-07T15:00:00Z	n/a
2025-09-07T18:00:00Z	1008 hPa
2025-09-07T21:00:00Z	n/a
2025-09-08T00:00:00Z	1008 hPa
2025-09-08T03:00:00Z	n/a
2025-09-08T06:00:00Z	1008 hPa
2025-09-08T09:00:00Z	n/a
2025-09-08T12:00:00Z	1008 hPa
2025-09-08T15:00:00Z	n/a
2025-09-08T18:00:00Z	1008 hPa
2025-09-08T21:00:00Z	n/a
2025-09-09T00:00:00Z	1007 hPa
2025-09-09T03:00:00Z	n/a
2025-09-09T06:00:00Z	1007 hPa
2025-09-09T09:00:00Z	1006 hPa
2025-09-09T12:00:00Z	1006 hPa
2025-09-09T15:00:00Z	1006 hPa
2025-09-09T18:00:00Z	1006 hPa
2025-09-09T21:00:00Z	1006 hPa
2025-09-10T00:00:00Z	1005 hPa
2025-09-10T03:00:00Z	1005 hPa
2025-09-10T06:00:00Z	1005 hPa
2025-09-10T09:00:00Z	1004 hPa
2025-09-10T12:00:00Z	1005 hPa
2025-09-10T15:00:00Z	1005 hPa
2025-09-10T18:00:00Z	1003 hPa
2025-09-10T21:00:00Z	1006 hPa
2025-09-11T00:00:00Z	1003 hPa
2025-09-11T03:00:00Z	1006 hPa
2025-09-11T06:00:00Z	1005 hPa
2025-09-11T09:00:00Z	1005 hPa
2025-09-11T12:00:00Z	1006 hPa
2025-09-11T15:00:00Z	1005 hPa
2025-09-11T18:00:00Z	1007 hPa
2025-09-11T21:00:00Z	1006 hPa
2025-09-12T00:00:00Z	1008 hPa
2025-09-12T03:00:00Z	1006 hPa
2025-09-12T06:00:00Z	1009 hPa
2025-09-12T09:00:00Z	1006 hPa
2025-09-12T12:00:00Z	1009 hPa
2025-09-12T15:00:00Z	1006 hPa
2025-09-12T18:00:00Z	1009 hPa
2025-09-12T21:00:00Z	1007 hPa
2025-09-13T00:00:00Z	1009 hPa
2025-09-13T03:00:00Z	n/a
2025-09-13T06:00:00Z	1010 hPa
2025-09-13T09:00:00Z	n/a
2025-09-13T12:00:00Z	1010 hPa
2025-09-13T15:00:00Z	n/a
2025-09-13T18:00:00Z	1010 hPa
2025-09-13T21:00:00Z	n/a
2025-09-14T00:00:00Z	1010 hPa
2025-09-14T03:00:00Z	n/a
2025-09-14T06:00:00Z	1010 hPa

ACE Compared With the 2026 Season

Accumulated cyclone energy of named storms in 2026
Polo (Eastern North Pacific)	50.2 ACE
Lowell (Eastern North Pacific)	44.3 ACE
Nolo (Eastern North Pacific)	31.5 ACE
Karina (Eastern North Pacific)	31.3 ACE
Rachel (Eastern North Pacific)	26.7 ACE
Genevieve (Eastern North Pacific)	26.4 ACE
Lala (Eastern North Pacific)	24.6 ACE
Dudzai (South-West Indian)	21.7 ACE
Grant (South-West Indian)	21.5 ACE
Narelle (South Pacific)	19.1 ACE
Fausto (Eastern North Pacific)	18.7 ACE
Maila (South Pacific)	17.2 ACE
Gezani (South-West Indian)	16.6 ACE
Odalys (Eastern North Pacific)	16.3 ACE
Marie (Eastern North Pacific)	13.5 ACE
Fina (South-West Indian)	13.4 ACE
Simon (Eastern North Pacific)	11.3 ACE
Horacio (South-West Indian)	10.2 ACE
Isaias (North Atlantic)	7.2 ACE
Bakung (South-West Indian)	6.6 ACE
Jenna (South-West Indian)	5.8 ACE
Elida (Eastern North Pacific)	5.7 ACE
Fytia (South-West Indian)	5.1 ACE
Indusa (South-West Indian)	5.0 ACE
Chenge (South-West Indian)	4.7 ACE
Hayley (South-West Indian)	4.4 ACE
Mitchell (South Pacific)	4.2 ACE
Fay (North Atlantic)	3.8 ACE
Norbert (Eastern North Pacific)	3.7 ACE
Iselle (Eastern North Pacific)	3.5 ACE
Nokaen (Western North Pacific)	2.8 ACE
Bertha (North Atlantic)	2.2 ACE
Amanda (Eastern North Pacific)	1.7 ACE
Moke (Eastern North Pacific)	1.6 ACE
Koji (South Pacific)	1.3 ACE
Gonzalo (North Atlantic)	1.3 ACE
Hanna (North Atlantic)	1.3 ACE
Luana (South-West Indian)	1.3 ACE
Cristina (Eastern North Pacific)	1.2 ACE
Iggy (South-West Indian)	1.1 ACE
Penha (Western North Pacific)	1.0 ACE
Ewetse (South-West Indian)	0.9 ACE
Hernan (Eastern North Pacific)	0.9 ACE
Edouard (North Atlantic)	0.8 ACE
Douglas (Eastern North Pacific)	0.7 ACE
Boris (Eastern North Pacific)	0.7 ACE
Dolly (North Atlantic)	0.5 ACE
Julio (Eastern North Pacific)	0.5 ACE
Cristobal (North Atlantic)	0.4 ACE
Arthur (North Atlantic)	0.4 ACE
Awo (South-West Indian)	0.4 ACE
Juluka (South-West Indian)	0.4 ACE
Blossom (this storm)	0.3 ACE
Atsani (Western North Pacific)	0.0 ACE
Bang-Lang (Western North Pacific)	0.0 ACE
Bavi (Western North Pacific)	0.0 ACE
Chan-Hom (Western North Pacific)	0.0 ACE
Choi-Wan (Western North Pacific)	0.0 ACE
Dolphin (Western North Pacific)	0.0 ACE
Dujuan (Western North Pacific)	0.0 ACE
Etau (Western North Pacific)	0.0 ACE
Hagupit (Western North Pacific)	0.0 ACE
Higos (Western North Pacific)	0.0 ACE
Jangmi (Western North Pacific)	0.0 ACE
Koguma (Western North Pacific)	0.0 ACE
Krovanh (Western North Pacific)	0.0 ACE
Maysak (Western North Pacific)	0.0 ACE
Mekkhala (Western North Pacific)	0.0 ACE
Nangka (Western North Pacific)	0.0 ACE
Narra (Western North Pacific)	0.0 ACE
Noul (Western North Pacific)	0.0 ACE
Nuri (Western North Pacific)	0.0 ACE
Peilou (Western North Pacific)	0.0 ACE
Saudel (Western North Pacific)	0.0 ACE
Saudel (Western North Pacific)	0.0 ACE
Sinlaku (Western North Pacific)	0.0 ACE
Surigae (Western North Pacific)	0.0 ACE
Urmil (South Pacific)	0.0 ACE
Vaianu (South Pacific)	0.0 ACE

ACE is the sum of the squares of six hourly wind speeds, in units of 10,000 knots squared, counted while winds are at or above 34 knots.

Which Agency's Numbers

Wind and pressure from reunion,usa as carried in NOAA IBTrACS. Agencies average winds over different periods.

Related Headlines

Third party news, headline and link only

Download the Data

Sources: Source: International Best Track Archive for Climate Stewardship (IBTrACS) v04r01, NOAA National Centers for Environmental Information, doi:10.25921/82ty-9e16. Some agency values come from third parties such as JMA, IMD and BoM. (NOAA NCEI terms (citation requested)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-12. Storm records are best tracks and can be revised by the agencies.