Jangmi: 2020 Western North Pacific

Jangmi reached 45 kt (83 km/h, 52 mph) (TS) in the 2020 Western North Pacific season, from 2020-08-06 to 2020-08-14, with track, wind and pressure and 1.3 ACE.

Data as of 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Key Facts

Jangmi was a tropical storm at its peak in the 2020 Western North Pacific season.
Peak maximum sustained wind was 45 kt (83 km/h, 52 mph), reached on 9 August 2020, and the lowest pressure was 990 hPa.
The track runs from 6 August 2020 to 14 August 2020 with 65 six hourly positions.
Jangmi accumulated 1.3 ACE.
1 landfall is recorded, the first on 10 August 2020.

Track

6 August 2020 to 14 August 2020

Jangmi formed on 6 August 2020 and its track is coloured by category at each six hourly step, peaking as a tropical storm. Made with Natural Earth and IBTrACS. Ringed points mark landfalls or the latest advisory position.

Wind

Knots, six hourly

Maximum sustained wind in knots every six hours, from n/a at the start to a peak of 45 kt (83 km/h, 52 mph).

Maximum sustained wind of Jangmi
Time (UTC)	Wind (kt)
2020-08-06T18:00:00Z	n/a
2020-08-06T21:00:00Z	n/a
2020-08-07T00:00:00Z	n/a
2020-08-07T03:00:00Z	n/a
2020-08-07T06:00:00Z	n/a
2020-08-07T09:00:00Z	n/a
2020-08-07T12:00:00Z	n/a
2020-08-07T15:00:00Z	n/a
2020-08-07T18:00:00Z	n/a
2020-08-07T21:00:00Z	n/a
2020-08-08T00:00:00Z	20 kt
2020-08-08T03:00:00Z	20 kt
2020-08-08T06:00:00Z	20 kt
2020-08-08T09:00:00Z	23 kt
2020-08-08T12:00:00Z	25 kt
2020-08-08T15:00:00Z	28 kt
2020-08-08T18:00:00Z	35 kt
2020-08-08T21:00:00Z	30 kt
2020-08-09T00:00:00Z	40 kt
2020-08-09T03:00:00Z	33 kt
2020-08-09T06:00:00Z	40 kt
2020-08-09T09:00:00Z	38 kt
2020-08-09T12:00:00Z	45 kt
2020-08-09T15:00:00Z	40 kt
2020-08-09T18:00:00Z	45 kt
2020-08-09T21:00:00Z	45 kt
2020-08-10T00:00:00Z	40 kt
2020-08-10T03:00:00Z	40 kt
2020-08-10T06:00:00Z	40 kt
2020-08-10T09:00:00Z	35 kt
2020-08-10T12:00:00Z	35 kt
2020-08-10T15:00:00Z	35 kt
2020-08-10T18:00:00Z	35 kt
2020-08-10T21:00:00Z	35 kt
2020-08-11T00:00:00Z	35 kt
2020-08-11T03:00:00Z	n/a
2020-08-11T06:00:00Z	n/a
2020-08-11T09:00:00Z	n/a
2020-08-11T12:00:00Z	n/a
2020-08-11T15:00:00Z	n/a
2020-08-11T18:00:00Z	n/a
2020-08-11T21:00:00Z	n/a
2020-08-12T00:00:00Z	n/a
2020-08-12T03:00:00Z	n/a
2020-08-12T06:00:00Z	n/a
2020-08-12T09:00:00Z	n/a
2020-08-12T12:00:00Z	n/a
2020-08-12T15:00:00Z	n/a
2020-08-12T18:00:00Z	n/a
2020-08-12T21:00:00Z	n/a
2020-08-13T00:00:00Z	n/a
2020-08-13T03:00:00Z	n/a
2020-08-13T06:00:00Z	n/a
2020-08-13T09:00:00Z	n/a
2020-08-13T12:00:00Z	n/a
2020-08-13T15:00:00Z	n/a
2020-08-13T18:00:00Z	n/a
2020-08-13T21:00:00Z	n/a
2020-08-14T00:00:00Z	n/a
2020-08-14T03:00:00Z	n/a
2020-08-14T06:00:00Z	n/a
2020-08-14T09:00:00Z	n/a
2020-08-14T12:00:00Z	n/a
2020-08-14T15:00:00Z	n/a
2020-08-14T18:00:00Z	n/a

Pressure

hPa, six hourly

Central pressure in hectopascals every six hours, falling to 990 hPa at the lowest.

Central pressure of Jangmi
Time (UTC)	Pressure (hPa)
2020-08-06T18:00:00Z	1006 hPa
2020-08-06T21:00:00Z	n/a
2020-08-07T00:00:00Z	1006 hPa
2020-08-07T03:00:00Z	n/a
2020-08-07T06:00:00Z	1006 hPa
2020-08-07T09:00:00Z	n/a
2020-08-07T12:00:00Z	1004 hPa
2020-08-07T15:00:00Z	n/a
2020-08-07T18:00:00Z	1002 hPa
2020-08-07T21:00:00Z	n/a
2020-08-08T00:00:00Z	1002 hPa
2020-08-08T03:00:00Z	1002 hPa
2020-08-08T06:00:00Z	1000 hPa
2020-08-08T09:00:00Z	1002 hPa
2020-08-08T12:00:00Z	1002 hPa
2020-08-08T15:00:00Z	1002 hPa
2020-08-08T18:00:00Z	998 hPa
2020-08-08T21:00:00Z	1001 hPa
2020-08-09T00:00:00Z	996 hPa
2020-08-09T03:00:00Z	998 hPa
2020-08-09T06:00:00Z	996 hPa
2020-08-09T09:00:00Z	993 hPa
2020-08-09T12:00:00Z	994 hPa
2020-08-09T15:00:00Z	991 hPa
2020-08-09T18:00:00Z	994 hPa
2020-08-09T21:00:00Z	994 hPa
2020-08-10T00:00:00Z	996 hPa
2020-08-10T03:00:00Z	996 hPa
2020-08-10T06:00:00Z	996 hPa
2020-08-10T09:00:00Z	998 hPa
2020-08-10T12:00:00Z	998 hPa
2020-08-10T15:00:00Z	993 hPa
2020-08-10T18:00:00Z	998 hPa
2020-08-10T21:00:00Z	991 hPa
2020-08-11T00:00:00Z	998 hPa
2020-08-11T03:00:00Z	n/a
2020-08-11T06:00:00Z	998 hPa
2020-08-11T09:00:00Z	n/a
2020-08-11T12:00:00Z	996 hPa
2020-08-11T15:00:00Z	n/a
2020-08-11T18:00:00Z	996 hPa
2020-08-11T21:00:00Z	n/a
2020-08-12T00:00:00Z	994 hPa
2020-08-12T03:00:00Z	n/a
2020-08-12T06:00:00Z	992 hPa
2020-08-12T09:00:00Z	n/a
2020-08-12T12:00:00Z	992 hPa
2020-08-12T15:00:00Z	n/a
2020-08-12T18:00:00Z	990 hPa
2020-08-12T21:00:00Z	n/a
2020-08-13T00:00:00Z	990 hPa
2020-08-13T03:00:00Z	n/a
2020-08-13T06:00:00Z	990 hPa
2020-08-13T09:00:00Z	n/a
2020-08-13T12:00:00Z	990 hPa
2020-08-13T15:00:00Z	n/a
2020-08-13T18:00:00Z	992 hPa
2020-08-13T21:00:00Z	n/a
2020-08-14T00:00:00Z	992 hPa
2020-08-14T03:00:00Z	n/a
2020-08-14T06:00:00Z	996 hPa
2020-08-14T09:00:00Z	n/a
2020-08-14T12:00:00Z	998 hPa
2020-08-14T15:00:00Z	n/a
2020-08-14T18:00:00Z	998 hPa

ACE Compared With the 2020 Season

Accumulated cyclone energy of named storms in 2020
Teddy (North Atlantic)	26.2 ACE
Harold (South Pacific)	24.8 ACE
Douglas (Eastern North Pacific)	20.8 ACE
Marie (Eastern North Pacific)	18.5 ACE
Eta (North Atlantic)	18.2 ACE
Haishen (Western North Pacific)	17.5 ACE
Paulette (North Atlantic)	15.9 ACE
Amphan (North Indian)	15.4 ACE
Delta (North Atlantic)	15.1 ACE
Goni (Western North Pacific)	15.0 ACE
Maysak (Western North Pacific)	13.8 ACE
Epsilon (North Atlantic)	13.3 ACE
Laura (North Atlantic)	12.9 ACE
Iota (North Atlantic)	12.3 ACE
Genevieve (Eastern North Pacific)	11.6 ACE
Bavi (Western North Pacific)	9.6 ACE
Isaias (North Atlantic)	9.4 ACE
Vamco (Western North Pacific)	9.1 ACE
Molave (Western North Pacific)	8.6 ACE
Ferdinand (South-West Indian)	8.4 ACE
Belna (South-West Indian)	8.4 ACE
Chan-Hom (Western North Pacific)	8.4 ACE
Sarai (South Pacific)	8.0 ACE
Herold (South-West Indian)	7.7 ACE
Zeta (North Atlantic)	7.5 ACE
Sally (North Atlantic)	7.3 ACE
Irondro (South-West Indian)	6.4 ACE
Uesi (South Pacific)	6.4 ACE
Elida (Eastern North Pacific)	6.2 ACE
Saudel (Western North Pacific)	5.9 ACE
Claudia (South-West Indian)	5.9 ACE
Ambali (South-West Indian)	5.8 ACE
Vongfong (Western North Pacific)	5.6 ACE
Theta (North Atlantic)	5.3 ACE
Cristina (Eastern North Pacific)	5.1 ACE
Damien (South-West Indian)	4.7 ACE
Cristobal (North Atlantic)	4.0 ACE
Gabekile (South-West Indian)	3.9 ACE
Atsani (Western North Pacific)	3.9 ACE
Hagupit (Western North Pacific)	3.7 ACE
Calvinia (South-West Indian)	3.7 ACE
Hanna (North Atlantic)	3.6 ACE
Beta (North Atlantic)	3.5 ACE
Tino (South Pacific)	3.5 ACE
Marco (North Atlantic)	3.4 ACE
Kujira (Western North Pacific)	3.1 ACE
Rita (South Pacific)	3.0 ACE
Dolphin (Western North Pacific)	2.8 ACE
Gonzalo (North Atlantic)	2.8 ACE
Gamma (North Atlantic)	2.8 ACE
Nivar (North Indian)	2.7 ACE
Karina (Eastern North Pacific)	2.7 ACE
Lowell (Eastern North Pacific)	2.6 ACE
Nana (North Atlantic)	2.5 ACE
Iselle (Eastern North Pacific)	2.5 ACE
Gretel (South Pacific)	2.3 ACE
Francisco (South-West Indian)	2.2 ACE
Vicky (North Atlantic)	2.2 ACE
Noul (Western North Pacific)	2.1 ACE
Rene (North Atlantic)	2.0 ACE
Norbert (Eastern North Pacific)	2.0 ACE
Wasi (South Pacific)	1.9 ACE
Arthur (North Atlantic)	1.8 ACE
Gati (North Indian)	1.6 ACE
Josephine (North Atlantic)	1.5 ACE
Nangka (Western North Pacific)	1.5 ACE
Wilfred (North Atlantic)	1.4 ACE
Burevi (North Indian)	1.3 ACE
Mekkhala (Western North Pacific)	1.3 ACE
Diane (South-West Indian)	1.3 ACE
Jangmi (this storm)	1.3 ACE
Esami (South-West Indian)	1.3 ACE
Odalys (Eastern North Pacific)	1.3 ACE
Alpha (North Atlantic)	1.2 ACE
Blake (South-West Indian)	1.2 ACE
Nisarga (North Indian)	1.2 ACE
Hernan (Eastern North Pacific)	1.2 ACE
Fay (North Atlantic)	1.2 ACE
Higos (Western North Pacific)	1.1 ACE
Julio (Eastern North Pacific)	1.1 ACE
Etau (Western North Pacific)	1.1 ACE
Kyle (North Atlantic)	1.0 ACE
Krovanh (Western North Pacific)	0.9 ACE
Polo (Eastern North Pacific)	0.9 ACE
Nuri (Western North Pacific)	0.8 ACE
Sinlaku (Western North Pacific)	0.8 ACE
Mangga (South-West Indian)	0.7 ACE
Omar (North Atlantic)	0.7 ACE
Jeruto (South-West Indian)	0.7 ACE
Esther (South Pacific)	0.6 ACE
Vicky (South Pacific)	0.6 ACE
Dolly (North Atlantic)	0.6 ACE
Edouard (North Atlantic)	0.6 ACE
Linfa (Western North Pacific)	0.6 ACE
Bertha (North Atlantic)	0.4 ACE
Amanda (Eastern North Pacific)	0.3 ACE
Boris (Eastern North Pacific)	0.3 ACE
Fausto (Eastern North Pacific)	0.1 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.

Landfalls

Landfalls of Jangmi 2020
Date	Place	Position	Wind
2020-08-10	Open coast, place not named in the data	35.9, 129.2	35 kt (65 km/h, 40 mph)

Which Agency's Numbers

Wind and pressure from jtwc_wp,tokyo,us 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 2026-10-17. Storm records are best tracks and can be revised by the agencies.