1978 South Pacific cyclone season
The 1978 South Pacific season had 11 storms of tropical-storm strength or more, 5 of them cyclones and 1 major (Category 3 or stronger).
The first storm was tracked from November 5, 1977 and the last ended on April 22, 1978. The strongest by wind was Cyclone Bob (1978), at 115 mph (185 km/h). The season's accumulated cyclone energy (ACE) was 60.5.
- Storms
- 11
- Cyclones
- 5
- Major
- 1
- Category 5
- 0
- ACE
- 60.5
DepressionTropical stormCat 1Cat 2Cat 3Cat 4Cat 5
Storms
| Storm | Dates | Peak |
|---|---|---|
| Tropical Storm Tom | Nov 5 – Nov 17 | 60 mph |
| Cyclone Steve | Nov 24 – Dec 4 | 75 mph |
| Tropical Storm Tessa | Dec 5 – Dec 11 | 45 mph |
| Unnamed storm 4, 1978 South Pacific | Dec 22 – Dec 29 | — |
| Tropical Storm Anne | Dec 23 – Dec 31 | 65 mph |
| Cyclone Bob | Dec 31 – Jan 12 | 115 mph |
| Cyclone Bob | Jan 31 – Feb 12 | 100 mph |
| Unnamed storm 8, 1978 South Pacific | Feb 1 – Feb 7 | — |
| Cyclone Charles | Feb 13 – Mar 1 | 85 mph |
| Tropical Storm Ernie | Feb 15 – Feb 23 | 60 mph |
| Tropical Storm Diana | Feb 15 – Feb 22 | 60 mph |
| Tropical Storm Gwen | Feb 25 – Mar 4 | 60 mph |
| Cyclone Hal | Apr 4 – Apr 22 | 80 mph |