2020 South-West Indian Season
15 named storms in the 2020 South-West Indian season, 62.5 ACE in total, with tracks and ACE for each storm.
Data as of . Last revised (2026-10-12).
Key Facts
- 15 named storms are listed for the 2020 South-West Indian season.
- Their accumulated cyclone energy totals 62.5 ACE.
- The strongest was Ambali with peak winds of 135 kt (250 km/h, 155 mph).
Tracks
| Storm | First position (lat, lon) | Last position (lat, lon) | Track points |
|---|---|---|---|
| Ferdinand | -12.0, 119.0 | -15.2, 110.9 | 65 |
| Belna | -5.7, 55.3 | -21.5, 45.6 | 75 |
| Herold | -13.7, 53.6 | -32.7, 78.8 | 71 |
| Irondro | -12.3, 69.4 | -29.4, 96.3 | 49 |
| Claudia | -8.2, 133.2 | -21.6, 95.9 | 117 |
| Ambali | -3.9, 65.4 | -14.1, 59.6 | 49 |
| Damien | -16.7, 129.3 | -25.7, 118.0 | 67 |
| Gabekile | -14.5, 75.0 | -21.3, 66.2 | 75 |
| Calvinia | -13.5, 70.2 | -41.5, 82.3 | 139 |
| Francisco | -13.0, 63.2 | -19.9, 48.3 | 101 |
| Diane | -16.9, 43.2 | -35.5, 65.5 | 61 |
| Esami | -18.9, 56.0 | -28.6, 77.0 | 33 |
| Blake | -12.9, 121.3 | -26.0, 123.7 | 45 |
| Mangga | -4.0, 95.1 | -21.3, 105.1 | 47 |
| Jeruto | -11.8, 91.3 | -15.8, 77.6 | 41 |
ACE by Storm
| Ferdinand | |
|---|---|
| Belna | |
| Herold | |
| Irondro | |
| Claudia | |
| Ambali | |
| Damien | |
| Gabekile | |
| Calvinia | |
| Francisco | |
| Diane | |
| Esami | |
| Blake | |
| Mangga | |
| Jeruto |
Storms
| Storm | Basin | Season | Peak wind | Lowest pressure | Category | ACE |
|---|---|---|---|---|---|---|
| Ferdinand | South-West Indian | 2020 | 100 kt (185 km/h, 115 mph) | 951 hPa | C3 | 8.4 ACE |
| Belna | South-West Indian | 2020 | 103 kt (191 km/h, 119 mph) | 958 hPa | C3 | 8.4 ACE |
| Herold | South-West Indian | 2020 | 100 kt (185 km/h, 115 mph) | 955 hPa | C3 | 7.7 ACE |
| Irondro | South-West Indian | 2020 | 105 kt (194 km/h, 121 mph) | 950 hPa | C3 | 6.4 ACE |
| Claudia | South-West Indian | 2020 | 83 kt (154 km/h, 96 mph) | 963 hPa | C2 | 5.9 ACE |
| Ambali | South-West Indian | 2020 | 135 kt (250 km/h, 155 mph) | 930 hPa | C4 | 5.8 ACE |
| Damien | South-West Indian | 2020 | 85 kt (157 km/h, 98 mph) | 955 hPa | C2 | 4.7 ACE |
| Gabekile | South-West Indian | 2020 | 90 kt (167 km/h, 104 mph) | 950 hPa | C2 | 3.9 ACE |
| Calvinia | South-West Indian | 2020 | 75 kt (139 km/h, 86 mph) | 970 hPa | C1 | 3.7 ACE |
| Francisco | South-West Indian | 2020 | 45 kt (83 km/h, 52 mph) | 994 hPa | TS | 2.2 ACE |
| Diane | South-West Indian | 2020 | 55 kt (102 km/h, 63 mph) | 985 hPa | TS | 1.3 ACE |
| Esami | South-West Indian | 2020 | 45 kt (83 km/h, 52 mph) | 990 hPa | TS | 1.3 ACE |
| Blake | South-West Indian | 2020 | 53 kt (98 km/h, 61 mph) | 986 hPa | TS | 1.2 ACE |
| Mangga | South-West Indian | 2020 | 40 kt (74 km/h, 46 mph) | 996 hPa | TS | 0.7 ACE |
| Jeruto | South-West Indian | 2020 | 40 kt (74 km/h, 46 mph) | 999 hPa | TS | 0.7 ACE |
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.