Alvin: 2025 Eastern North Pacific

Alvin reached 50 kt (93 km/h, 58 mph) (TS) in the 2025 Eastern North Pacific season, from 2025-05-28 to 2025-06-01, with track, wind and pressure and 1.4 ACE.

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

Key Facts

Alvin was a tropical storm at its peak in the 2025 Eastern North Pacific season.
Peak maximum sustained wind was 50 kt (93 km/h, 58 mph), reached on 29 May 2025, and the lowest pressure was 999 hPa.
The track runs from 28 May 2025 to 1 June 2025 with 29 six hourly positions.
Alvin accumulated 1.4 ACE.
No landfall is recorded in the track.

Track

28 May 2025 to 1 June 2025

Alvin formed on 28 May 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 30 kt (56 km/h, 35 mph) at the start to a peak of 50 kt (93 km/h, 58 mph).

Maximum sustained wind of Alvin
Time (UTC)	Wind (kt)
2025-05-28T18:00:00Z	30 kt
2025-05-28T21:00:00Z	30 kt
2025-05-29T00:00:00Z	30 kt
2025-05-29T03:00:00Z	30 kt
2025-05-29T06:00:00Z	30 kt
2025-05-29T09:00:00Z	35 kt
2025-05-29T12:00:00Z	40 kt
2025-05-29T15:00:00Z	45 kt
2025-05-29T18:00:00Z	50 kt
2025-05-29T21:00:00Z	50 kt
2025-05-30T00:00:00Z	50 kt
2025-05-30T03:00:00Z	48 kt
2025-05-30T06:00:00Z	45 kt
2025-05-30T09:00:00Z	45 kt
2025-05-30T12:00:00Z	45 kt
2025-05-30T15:00:00Z	45 kt
2025-05-30T18:00:00Z	45 kt
2025-05-30T21:00:00Z	43 kt
2025-05-31T00:00:00Z	40 kt
2025-05-31T03:00:00Z	38 kt
2025-05-31T06:00:00Z	35 kt
2025-05-31T09:00:00Z	33 kt
2025-05-31T12:00:00Z	30 kt
2025-05-31T15:00:00Z	30 kt
2025-05-31T18:00:00Z	30 kt
2025-05-31T21:00:00Z	28 kt
2025-06-01T00:00:00Z	25 kt
2025-06-01T03:00:00Z	25 kt
2025-06-01T06:00:00Z	25 kt

Pressure

hPa, six hourly

Central pressure in hectopascals every six hours, falling to 999 hPa at the lowest.

Central pressure of Alvin
Time (UTC)	Pressure (hPa)
2025-05-28T18:00:00Z	1006 hPa
2025-05-28T21:00:00Z	1006 hPa
2025-05-29T00:00:00Z	1006 hPa
2025-05-29T03:00:00Z	1006 hPa
2025-05-29T06:00:00Z	1005 hPa
2025-05-29T09:00:00Z	1004 hPa
2025-05-29T12:00:00Z	1003 hPa
2025-05-29T15:00:00Z	1001 hPa
2025-05-29T18:00:00Z	999 hPa
2025-05-29T21:00:00Z	999 hPa
2025-05-30T00:00:00Z	999 hPa
2025-05-30T03:00:00Z	1000 hPa
2025-05-30T06:00:00Z	1000 hPa
2025-05-30T09:00:00Z	1001 hPa
2025-05-30T12:00:00Z	1001 hPa
2025-05-30T15:00:00Z	1001 hPa
2025-05-30T18:00:00Z	1001 hPa
2025-05-30T21:00:00Z	1002 hPa
2025-05-31T00:00:00Z	1003 hPa
2025-05-31T03:00:00Z	1004 hPa
2025-05-31T06:00:00Z	1005 hPa
2025-05-31T09:00:00Z	1006 hPa
2025-05-31T12:00:00Z	1006 hPa
2025-05-31T15:00:00Z	1006 hPa
2025-05-31T18:00:00Z	1006 hPa
2025-05-31T21:00:00Z	1007 hPa
2025-06-01T00:00:00Z	1007 hPa
2025-06-01T03:00:00Z	1007 hPa
2025-06-01T06:00:00Z	1007 hPa

ACE Compared With the 2025 Season

Accumulated cyclone energy of named storms in 2025
Melissa (North Atlantic)	34.3 ACE
Erin (North Atlantic)	31.8 ACE
Vince (South-West Indian)	31.0 ACE
Kiko (Eastern North Pacific)	30.9 ACE
Humberto (North Atlantic)	26.5 ACE
Neoguri (Western North Pacific)	20.8 ACE
Chido (South-West Indian)	20.3 ACE
Ragasa (Western North Pacific)	18.8 ACE
Alfred (South Pacific)	18.5 ACE
Gabrielle (North Atlantic)	18.5 ACE
Courtney (South-West Indian)	15.7 ACE
Taliah (South-West Indian)	14.1 ACE
Narda (Eastern North Pacific)	13.7 ACE
Bheki (South-West Indian)	13.4 ACE
Dikeledi (South-West Indian)	12.8 ACE
Halong (Western North Pacific)	12.7 ACE
Krosa (Western North Pacific)	12.5 ACE
Fung-Wong (Western North Pacific)	10.5 ACE
Priscilla (Eastern North Pacific)	10.5 ACE
Zelia (South-West Indian)	9.7 ACE
Octave (Eastern North Pacific)	9.7 ACE
Kalmaegi (Western North Pacific)	9.7 ACE
Garance (South-West Indian)	9.5 ACE
Iona (Eastern North Pacific)	8.8 ACE
Honde (South-West Indian)	8.2 ACE
Podul (Western North Pacific)	8.2 ACE
Henriette (Eastern North Pacific)	7.9 ACE
Flossie (Eastern North Pacific)	7.7 ACE
Bualoi (Western North Pacific)	7.6 ACE
Errol (South-West Indian)	7.4 ACE
Nakri (Western North Pacific)	7.3 ACE
Sean (South-West Indian)	7.0 ACE
Erick (Eastern North Pacific)	6.7 ACE
Imelda (North Atlantic)	6.0 ACE
Bianca (South-West Indian)	6.0 ACE
Jude (South-West Indian)	5.9 ACE
Koto (Western North Pacific)	5.8 ACE
Kajiki (Western North Pacific)	5.4 ACE
Matmo (Western North Pacific)	4.9 ACE
Danas (Western North Pacific)	4.5 ACE
Co-May (Western North Pacific)	4.3 ACE
Jerry (North Atlantic)	4.2 ACE
Wipha (Western North Pacific)	4.2 ACE
Gil (Eastern North Pacific)	4.2 ACE
Mun (Western North Pacific)	3.9 ACE
Lorena (Eastern North Pacific)	3.9 ACE
Fengshen (Western North Pacific)	3.8 ACE
Ivo (Eastern North Pacific)	3.5 ACE
Shakhti (North Indian)	3.4 ACE
Barbara (Eastern North Pacific)	3.1 ACE
Wutip (Western North Pacific)	2.9 ACE
Juliette (Eastern North Pacific)	2.9 ACE
Ivone (South-West Indian)	2.9 ACE
Cosme (Eastern North Pacific)	2.8 ACE
Fernand (North Atlantic)	2.7 ACE
Sonia (Eastern North Pacific)	2.6 ACE
Rae (South Pacific)	2.6 ACE
Mario (Eastern North Pacific)	2.2 ACE
Dexter (North Atlantic)	2.2 ACE
Dalila (Eastern North Pacific)	2.1 ACE
Nari (Western North Pacific)	2.0 ACE
Seru (South Pacific)	2.0 ACE
Montha (North Indian)	1.9 ACE
Kanto (South-West Indian)	1.8 ACE
Robyn (South-West Indian)	1.8 ACE
Ditwah (North Indian)	1.7 ACE
Lorenzo (North Atlantic)	1.7 ACE
Tapah (Western North Pacific)	1.7 ACE
Raymond (Eastern North Pacific)	1.7 ACE
Elvis (South-West Indian)	1.5 ACE
Ancha (South-West Indian)	1.5 ACE
Alvin (this storm)	1.4 ACE
Bailu (Western North Pacific)	1.4 ACE
Francisco (Western North Pacific)	1.3 ACE
Mitag (Western North Pacific)	1.2 ACE
Keli (Eastern North Pacific)	1.2 ACE
Chantal (North Atlantic)	1.0 ACE
Dianne (South-West Indian)	1.0 ACE
Peipah (Western North Pacific)	1.0 ACE
Karen (North Atlantic)	0.9 ACE
Sepat (Western North Pacific)	0.9 ACE
Nongfa (Western North Pacific)	0.8 ACE
Lingling (Western North Pacific)	0.7 ACE
Andrea (North Atlantic)	0.6 ACE
Senyar (North Indian)	0.6 ACE
Tam (South Pacific)	0.5 ACE
Pita (South Pacific)	0.5 ACE
Barry (North Atlantic)	0.4 ACE
Faida (South-West Indian)	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 hurdat_epa,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.