Calvinia: 2020 South-West Indian

Calvinia reached 75 kt (139 km/h, 86 mph) (C1) in the 2020 South-West Indian season, from 2019-12-17 to 2020-01-03, with track, wind and pressure and 3.7 ACE.

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

Key Facts

Calvinia was a category 1 at its peak in the 2020 South-West Indian season.
Peak maximum sustained wind was 75 kt (139 km/h, 86 mph), reached on 31 December 2019, and the lowest pressure was 970 hPa.
The track runs from 17 December 2019 to 3 January 2020 with 139 six hourly positions.
Calvinia accumulated 3.7 ACE.
No landfall is recorded in the track.

Track

17 December 2019 to 3 January 2020

Calvinia formed on 17 December 2019 and its track is coloured by category at each six hourly step, peaking as a category 1. Made with Natural Earth and IBTrACS.

Wind

Knots, six hourly

Maximum sustained wind in knots every six hours, from 15 kt (28 km/h, 17 mph) at the start to a peak of 75 kt (139 km/h, 86 mph).

Maximum sustained wind of Calvinia
Time (UTC)	Wind (kt)
2019-12-17T12:00:00Z	15 kt
2019-12-17T15:00:00Z	15 kt
2019-12-17T18:00:00Z	15 kt
2019-12-17T21:00:00Z	18 kt
2019-12-18T00:00:00Z	20 kt
2019-12-18T03:00:00Z	20 kt
2019-12-18T06:00:00Z	20 kt
2019-12-18T09:00:00Z	20 kt
2019-12-18T12:00:00Z	20 kt
2019-12-18T15:00:00Z	23 kt
2019-12-18T18:00:00Z	25 kt
2019-12-18T21:00:00Z	28 kt
2019-12-19T00:00:00Z	30 kt
2019-12-19T03:00:00Z	30 kt
2019-12-19T06:00:00Z	30 kt
2019-12-19T09:00:00Z	30 kt
2019-12-19T12:00:00Z	30 kt
2019-12-19T15:00:00Z	30 kt
2019-12-19T18:00:00Z	30 kt
2019-12-19T21:00:00Z	28 kt
2019-12-20T00:00:00Z	25 kt
2019-12-20T03:00:00Z	25 kt
2019-12-20T06:00:00Z	25 kt
2019-12-20T09:00:00Z	23 kt
2019-12-20T12:00:00Z	20 kt
2019-12-20T15:00:00Z	20 kt
2019-12-20T18:00:00Z	20 kt
2019-12-20T21:00:00Z	20 kt
2019-12-21T00:00:00Z	20 kt
2019-12-21T03:00:00Z	18 kt
2019-12-21T06:00:00Z	15 kt
2019-12-21T09:00:00Z	15 kt
2019-12-21T12:00:00Z	15 kt
2019-12-21T15:00:00Z	18 kt
2019-12-21T18:00:00Z	20 kt
2019-12-21T21:00:00Z	20 kt
2019-12-22T00:00:00Z	20 kt
2019-12-22T03:00:00Z	20 kt
2019-12-22T06:00:00Z	20 kt
2019-12-22T09:00:00Z	20 kt
2019-12-22T12:00:00Z	20 kt
2019-12-22T15:00:00Z	18 kt
2019-12-22T18:00:00Z	15 kt
2019-12-22T21:00:00Z	15 kt
2019-12-23T00:00:00Z	15 kt
2019-12-23T03:00:00Z	15 kt
2019-12-23T06:00:00Z	15 kt
2019-12-23T09:00:00Z	15 kt
2019-12-23T12:00:00Z	15 kt
2019-12-23T15:00:00Z	18 kt
2019-12-23T18:00:00Z	20 kt
2019-12-23T21:00:00Z	20 kt
2019-12-24T00:00:00Z	20 kt
2019-12-24T03:00:00Z	20 kt
2019-12-24T06:00:00Z	20 kt
2019-12-24T09:00:00Z	20 kt
2019-12-24T12:00:00Z	20 kt
2019-12-24T15:00:00Z	20 kt
2019-12-24T18:00:00Z	20 kt
2019-12-24T21:00:00Z	20 kt
2019-12-25T00:00:00Z	20 kt
2019-12-25T03:00:00Z	18 kt
2019-12-25T06:00:00Z	15 kt
2019-12-25T09:00:00Z	15 kt
2019-12-25T12:00:00Z	15 kt
2019-12-25T15:00:00Z	15 kt
2019-12-25T18:00:00Z	15 kt
2019-12-25T21:00:00Z	15 kt
2019-12-26T00:00:00Z	15 kt
2019-12-26T03:00:00Z	15 kt
2019-12-26T06:00:00Z	15 kt
2019-12-26T09:00:00Z	15 kt
2019-12-26T12:00:00Z	15 kt
2019-12-26T15:00:00Z	18 kt
2019-12-26T18:00:00Z	20 kt
2019-12-26T21:00:00Z	20 kt
2019-12-27T00:00:00Z	20 kt
2019-12-27T03:00:00Z	20 kt
2019-12-27T06:00:00Z	20 kt
2019-12-27T09:00:00Z	20 kt
2019-12-27T12:00:00Z	20 kt
2019-12-27T15:00:00Z	20 kt
2019-12-27T18:00:00Z	25 kt
2019-12-27T21:00:00Z	23 kt
2019-12-28T00:00:00Z	25 kt
2019-12-28T03:00:00Z	25 kt
2019-12-28T06:00:00Z	27 kt
2019-12-28T09:00:00Z	25 kt
2019-12-28T12:00:00Z	27 kt
2019-12-28T15:00:00Z	25 kt
2019-12-28T18:00:00Z	30 kt
2019-12-28T21:00:00Z	28 kt
2019-12-29T00:00:00Z	35 kt
2019-12-29T03:00:00Z	33 kt
2019-12-29T06:00:00Z	38 kt
2019-12-29T09:00:00Z	38 kt
2019-12-29T12:00:00Z	38 kt
2019-12-29T15:00:00Z	40 kt
2019-12-29T18:00:00Z	37 kt
2019-12-29T21:00:00Z	43 kt
2019-12-30T00:00:00Z	40 kt
2019-12-30T03:00:00Z	48 kt
2019-12-30T06:00:00Z	47 kt
2019-12-30T09:00:00Z	53 kt
2019-12-30T12:00:00Z	57 kt
2019-12-30T15:00:00Z	55 kt
2019-12-30T18:00:00Z	55 kt
2019-12-30T21:00:00Z	60 kt
2019-12-31T00:00:00Z	55 kt
2019-12-31T03:00:00Z	68 kt
2019-12-31T06:00:00Z	55 kt
2019-12-31T09:00:00Z	73 kt
2019-12-31T12:00:00Z	60 kt
2019-12-31T15:00:00Z	75 kt
2019-12-31T18:00:00Z	65 kt
2019-12-31T21:00:00Z	75 kt
2020-01-01T00:00:00Z	65 kt
2020-01-01T03:00:00Z	73 kt
2020-01-01T06:00:00Z	57 kt
2020-01-01T09:00:00Z	65 kt
2020-01-01T12:00:00Z	57 kt
2020-01-01T15:00:00Z	58 kt
2020-01-01T18:00:00Z	60 kt
2020-01-01T21:00:00Z	55 kt
2020-01-02T00:00:00Z	55 kt
2020-01-02T03:00:00Z	55 kt
2020-01-02T06:00:00Z	47 kt
2020-01-02T09:00:00Z	53 kt
2020-01-02T12:00:00Z	45 kt
2020-01-02T15:00:00Z	48 kt
2020-01-02T18:00:00Z	45 kt
2020-01-02T21:00:00Z	43 kt
2020-01-03T00:00:00Z	42 kt
2020-01-03T03:00:00Z	40 kt
2020-01-03T06:00:00Z	40 kt
2020-01-03T09:00:00Z	40 kt
2020-01-03T12:00:00Z	38 kt
2020-01-03T15:00:00Z	40 kt
2020-01-03T18:00:00Z	40 kt

Pressure

hPa, six hourly

Central pressure in hectopascals every six hours, falling to 970 hPa at the lowest.

Central pressure of Calvinia
Time (UTC)	Pressure (hPa)
2019-12-17T12:00:00Z	1009 hPa
2019-12-17T15:00:00Z	1009 hPa
2019-12-17T18:00:00Z	1009 hPa
2019-12-17T21:00:00Z	1009 hPa
2019-12-18T00:00:00Z	1008 hPa
2019-12-18T03:00:00Z	1008 hPa
2019-12-18T06:00:00Z	1008 hPa
2019-12-18T09:00:00Z	1008 hPa
2019-12-18T12:00:00Z	1008 hPa
2019-12-18T15:00:00Z	1007 hPa
2019-12-18T18:00:00Z	1006 hPa
2019-12-18T21:00:00Z	1006 hPa
2019-12-19T00:00:00Z	1005 hPa
2019-12-19T03:00:00Z	1005 hPa
2019-12-19T06:00:00Z	1005 hPa
2019-12-19T09:00:00Z	1005 hPa
2019-12-19T12:00:00Z	1004 hPa
2019-12-19T15:00:00Z	1004 hPa
2019-12-19T18:00:00Z	1004 hPa
2019-12-19T21:00:00Z	1005 hPa
2019-12-20T00:00:00Z	1006 hPa
2019-12-20T03:00:00Z	1007 hPa
2019-12-20T06:00:00Z	1007 hPa
2019-12-20T09:00:00Z	1008 hPa
2019-12-20T12:00:00Z	1008 hPa
2019-12-20T15:00:00Z	1008 hPa
2019-12-20T18:00:00Z	1008 hPa
2019-12-20T21:00:00Z	1008 hPa
2019-12-21T00:00:00Z	1008 hPa
2019-12-21T03:00:00Z	1009 hPa
2019-12-21T06:00:00Z	1009 hPa
2019-12-21T09:00:00Z	1009 hPa
2019-12-21T12:00:00Z	1009 hPa
2019-12-21T15:00:00Z	1009 hPa
2019-12-21T18:00:00Z	1008 hPa
2019-12-21T21:00:00Z	1008 hPa
2019-12-22T00:00:00Z	1008 hPa
2019-12-22T03:00:00Z	1008 hPa
2019-12-22T06:00:00Z	1008 hPa
2019-12-22T09:00:00Z	1008 hPa
2019-12-22T12:00:00Z	1008 hPa
2019-12-22T15:00:00Z	1009 hPa
2019-12-22T18:00:00Z	1009 hPa
2019-12-22T21:00:00Z	1009 hPa
2019-12-23T00:00:00Z	1009 hPa
2019-12-23T03:00:00Z	1009 hPa
2019-12-23T06:00:00Z	1009 hPa
2019-12-23T09:00:00Z	1009 hPa
2019-12-23T12:00:00Z	1009 hPa
2019-12-23T15:00:00Z	1008 hPa
2019-12-23T18:00:00Z	1007 hPa
2019-12-23T21:00:00Z	1009 hPa
2019-12-24T00:00:00Z	1010 hPa
2019-12-24T03:00:00Z	1009 hPa
2019-12-24T06:00:00Z	1007 hPa
2019-12-24T09:00:00Z	1007 hPa
2019-12-24T12:00:00Z	1007 hPa
2019-12-24T15:00:00Z	1008 hPa
2019-12-24T18:00:00Z	1008 hPa
2019-12-24T21:00:00Z	1008 hPa
2019-12-25T00:00:00Z	1008 hPa
2019-12-25T03:00:00Z	1009 hPa
2019-12-25T06:00:00Z	1009 hPa
2019-12-25T09:00:00Z	1009 hPa
2019-12-25T12:00:00Z	1009 hPa
2019-12-25T15:00:00Z	1009 hPa
2019-12-25T18:00:00Z	1009 hPa
2019-12-25T21:00:00Z	1009 hPa
2019-12-26T00:00:00Z	1009 hPa
2019-12-26T03:00:00Z	1009 hPa
2019-12-26T06:00:00Z	1009 hPa
2019-12-26T09:00:00Z	1009 hPa
2019-12-26T12:00:00Z	1009 hPa
2019-12-26T15:00:00Z	1009 hPa
2019-12-26T18:00:00Z	1008 hPa
2019-12-26T21:00:00Z	1007 hPa
2019-12-27T00:00:00Z	1006 hPa
2019-12-27T03:00:00Z	1006 hPa
2019-12-27T06:00:00Z	1006 hPa
2019-12-27T09:00:00Z	1006 hPa
2019-12-27T12:00:00Z	1006 hPa
2019-12-27T15:00:00Z	1006 hPa
2019-12-27T18:00:00Z	1006 hPa
2019-12-27T21:00:00Z	1005 hPa
2019-12-28T00:00:00Z	1005 hPa
2019-12-28T03:00:00Z	1005 hPa
2019-12-28T06:00:00Z	1003 hPa
2019-12-28T09:00:00Z	1004 hPa
2019-12-28T12:00:00Z	1003 hPa
2019-12-28T15:00:00Z	1003 hPa
2019-12-28T18:00:00Z	1001 hPa
2019-12-28T21:00:00Z	1003 hPa
2019-12-29T00:00:00Z	998 hPa
2019-12-29T03:00:00Z	1001 hPa
2019-12-29T06:00:00Z	997 hPa
2019-12-29T09:00:00Z	998 hPa
2019-12-29T12:00:00Z	997 hPa
2019-12-29T15:00:00Z	997 hPa
2019-12-29T18:00:00Z	997 hPa
2019-12-29T21:00:00Z	994 hPa
2019-12-30T00:00:00Z	994 hPa
2019-12-30T03:00:00Z	992 hPa
2019-12-30T06:00:00Z	987 hPa
2019-12-30T09:00:00Z	989 hPa
2019-12-30T12:00:00Z	977 hPa
2019-12-30T15:00:00Z	986 hPa
2019-12-30T18:00:00Z	980 hPa
2019-12-30T21:00:00Z	983 hPa
2019-12-31T00:00:00Z	980 hPa
2019-12-31T03:00:00Z	979 hPa
2019-12-31T06:00:00Z	980 hPa
2019-12-31T09:00:00Z	976 hPa
2019-12-31T12:00:00Z	975 hPa
2019-12-31T15:00:00Z	973 hPa
2019-12-31T18:00:00Z	970 hPa
2019-12-31T21:00:00Z	971 hPa
2020-01-01T00:00:00Z	970 hPa
2020-01-01T03:00:00Z	971 hPa
2020-01-01T06:00:00Z	975 hPa
2020-01-01T09:00:00Z	976 hPa
2020-01-01T12:00:00Z	973 hPa
2020-01-01T15:00:00Z	979 hPa
2020-01-01T18:00:00Z	970 hPa
2020-01-01T21:00:00Z	980 hPa
2020-01-02T00:00:00Z	972 hPa
2020-01-02T03:00:00Z	980 hPa
2020-01-02T06:00:00Z	977 hPa
2020-01-02T09:00:00Z	981 hPa
2020-01-02T12:00:00Z	978 hPa
2020-01-02T15:00:00Z	985 hPa
2020-01-02T18:00:00Z	978 hPa
2020-01-02T21:00:00Z	988 hPa
2020-01-03T00:00:00Z	980 hPa
2020-01-03T03:00:00Z	986 hPa
2020-01-03T06:00:00Z	981 hPa
2020-01-03T09:00:00Z	982 hPa
2020-01-03T12:00:00Z	982 hPa
2020-01-03T15:00:00Z	987 hPa
2020-01-03T18:00:00Z	993 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 (this storm)	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 (Western North Pacific)	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.

Which Agency's Numbers

Wind and pressure from jtwc_sh,reunion, 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.