Iona: 2025 Eastern North Pacific

Iona reached 115 kt (213 km/h, 132 mph) (C4) in the 2025 Eastern North Pacific season, from 2025-07-26 to 2025-08-01, with track, wind and pressure and 8.8 ACE.

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

Key Facts

Iona was a category 4 at its peak in the 2025 Eastern North Pacific season.
Peak maximum sustained wind was 115 kt (213 km/h, 132 mph), reached on 29 July 2025, and the lowest pressure was 956 hPa.
The track runs from 26 July 2025 to 1 August 2025 with 53 six hourly positions.
Iona accumulated 8.8 ACE.
No landfall is recorded in the track.

Track

26 July 2025 to 1 August 2025

Iona formed on 26 July 2025 and its track is coloured by category at each six hourly step, peaking as a category 4. 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 115 kt (213 km/h, 132 mph).

Maximum sustained wind of Iona
Time (UTC)	Wind (kt)
2025-07-26T00:00:00Z	25 kt
2025-07-26T03:00:00Z	25 kt
2025-07-26T06:00:00Z	25 kt
2025-07-26T09:00:00Z	25 kt
2025-07-26T12:00:00Z	25 kt
2025-07-26T15:00:00Z	25 kt
2025-07-26T18:00:00Z	25 kt
2025-07-26T21:00:00Z	25 kt
2025-07-27T00:00:00Z	25 kt
2025-07-27T03:00:00Z	28 kt
2025-07-27T06:00:00Z	30 kt
2025-07-27T09:00:00Z	30 kt
2025-07-27T12:00:00Z	30 kt
2025-07-27T15:00:00Z	33 kt
2025-07-27T18:00:00Z	35 kt
2025-07-27T21:00:00Z	38 kt
2025-07-28T00:00:00Z	40 kt
2025-07-28T03:00:00Z	43 kt
2025-07-28T06:00:00Z	45 kt
2025-07-28T09:00:00Z	50 kt
2025-07-28T12:00:00Z	55 kt
2025-07-28T15:00:00Z	60 kt
2025-07-28T18:00:00Z	65 kt
2025-07-28T21:00:00Z	70 kt
2025-07-29T00:00:00Z	75 kt
2025-07-29T03:00:00Z	88 kt
2025-07-29T06:00:00Z	100 kt
2025-07-29T09:00:00Z	108 kt
2025-07-29T12:00:00Z	115 kt
2025-07-29T15:00:00Z	113 kt
2025-07-29T18:00:00Z	110 kt
2025-07-29T21:00:00Z	105 kt
2025-07-30T00:00:00Z	100 kt
2025-07-30T03:00:00Z	95 kt
2025-07-30T06:00:00Z	90 kt
2025-07-30T09:00:00Z	80 kt
2025-07-30T12:00:00Z	70 kt
2025-07-30T15:00:00Z	63 kt
2025-07-30T18:00:00Z	55 kt
2025-07-30T21:00:00Z	50 kt
2025-07-31T00:00:00Z	45 kt
2025-07-31T03:00:00Z	45 kt
2025-07-31T06:00:00Z	45 kt
2025-07-31T09:00:00Z	43 kt
2025-07-31T12:00:00Z	40 kt
2025-07-31T15:00:00Z	40 kt
2025-07-31T18:00:00Z	40 kt
2025-07-31T21:00:00Z	38 kt
2025-08-01T00:00:00Z	35 kt
2025-08-01T03:00:00Z	33 kt
2025-08-01T06:00:00Z	30 kt
2025-08-01T09:00:00Z	30 kt
2025-08-01T12:00:00Z	30 kt

Pressure

hPa, six hourly

Central pressure in hectopascals every six hours, falling to 956 hPa at the lowest.

Central pressure of Iona
Time (UTC)	Pressure (hPa)
2025-07-26T00:00:00Z	1009 hPa
2025-07-26T03:00:00Z	1009 hPa
2025-07-26T06:00:00Z	1009 hPa
2025-07-26T09:00:00Z	1009 hPa
2025-07-26T12:00:00Z	1009 hPa
2025-07-26T15:00:00Z	1009 hPa
2025-07-26T18:00:00Z	1009 hPa
2025-07-26T21:00:00Z	1009 hPa
2025-07-27T00:00:00Z	1008 hPa
2025-07-27T03:00:00Z	1008 hPa
2025-07-27T06:00:00Z	1007 hPa
2025-07-27T09:00:00Z	1007 hPa
2025-07-27T12:00:00Z	1007 hPa
2025-07-27T15:00:00Z	1007 hPa
2025-07-27T18:00:00Z	1006 hPa
2025-07-27T21:00:00Z	1006 hPa
2025-07-28T00:00:00Z	1005 hPa
2025-07-28T03:00:00Z	1005 hPa
2025-07-28T06:00:00Z	1004 hPa
2025-07-28T09:00:00Z	1003 hPa
2025-07-28T12:00:00Z	1001 hPa
2025-07-28T15:00:00Z	999 hPa
2025-07-28T18:00:00Z	996 hPa
2025-07-28T21:00:00Z	992 hPa
2025-07-29T00:00:00Z	988 hPa
2025-07-29T03:00:00Z	979 hPa
2025-07-29T06:00:00Z	970 hPa
2025-07-29T09:00:00Z	963 hPa
2025-07-29T12:00:00Z	956 hPa
2025-07-29T15:00:00Z	958 hPa
2025-07-29T18:00:00Z	960 hPa
2025-07-29T21:00:00Z	964 hPa
2025-07-30T00:00:00Z	968 hPa
2025-07-30T03:00:00Z	972 hPa
2025-07-30T06:00:00Z	976 hPa
2025-07-30T09:00:00Z	984 hPa
2025-07-30T12:00:00Z	991 hPa
2025-07-30T15:00:00Z	996 hPa
2025-07-30T18:00:00Z	1000 hPa
2025-07-30T21:00:00Z	1001 hPa
2025-07-31T00:00:00Z	1002 hPa
2025-07-31T03:00:00Z	1002 hPa
2025-07-31T06:00:00Z	1002 hPa
2025-07-31T09:00:00Z	1003 hPa
2025-07-31T12:00:00Z	1004 hPa
2025-07-31T15:00:00Z	1004 hPa
2025-07-31T18:00:00Z	1004 hPa
2025-07-31T21:00:00Z	1005 hPa
2025-08-01T00:00:00Z	1006 hPa
2025-08-01T03:00:00Z	1007 hPa
2025-08-01T06:00:00Z	1007 hPa
2025-08-01T09:00:00Z	1007 hPa
2025-08-01T12:00:00Z	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 (this storm)	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 (Eastern North Pacific)	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.