1977–78 South Pacific cyclone season

Tropical cyclone season SPac 1978 1977-1978 South Pacific cyclone season summary.jpg November 24, 1977 April 22, 1978 Bob and Charles 945 85 10 8 8 3 1975–76, 1976–77, 1977–78, 1978–79, 1979–80 1977–78 South-West Indian Ocean cyclone season 1977–78 Australian region cyclone season The 1977–78 South-West Indian Ocean cyclone season was a near-average season, with eight tropical cyclones forming. Seasonal summary Systems February 2026 Tropical Cyclone Steve February 2026 SPac Steve 1977.png November 24 December 4 965 60 70 Steve 1977 track.png Tropical Cyclone Tessa SPac Tessa 1977 track.png December 5 December 11 990 40 45 Tessa precursor tropical depression was first noted on December 5, while it was located in the southern Line Islands of Kiribati.Laurent, Victoire Varney, Patrick Meteo France Historique des Cyclones de Polynesie Francaise 2014 French 978-2-9522946-1-4 113–114 History of Cyclones in French Polynesia1977 Tropical Cyclone TESSA (1977339S11204) 1977339S11204 September 25, 2021 The International Best Track Archive for Climate Stewardship Over the next couple of days, the system moved southeastwards and gradually intensified, before it was named Tessa by the FMS during December 7. During December 9, the system moved in between Puka Puka and Reao as it continued to weaken and move south-eastwards towards the Gambier Islands. The system was last noted during December 11, while it was located about 590 km mi 5 on to the northeast of Adams Town in the Pitcairn Islands. As the system moved through the Tuamotu Islands of French Polynesia, Tessa caused significant precipitation over the islands, with the Puka Puka weather station recording a 24-hour rainfall total of 154.2 mm in on during December 8. Tropical Cyclone Anne SPac Anne 1977.png December 23 December 31 980 55 55 Anne 1977 track.png For several days during the week building up to Christmas 1977, a tropical disturbance persisted about 925 km mi 5 on to the northeast of Fiji and to the northwest of Samoa.Publication No. 2: Tropical Cyclones in Fiji: November 1969 – April 1980 Fiji Meteorological Service Krishna, Ram January 4, 1981 3–5 A distinct cyclonic circulation subsequently started to develop during December 23, while it was located about 740 km mi 5 on to the northeast of Vanua Levu. Over the next day the system moved south-westwards and passed within 75 km mi 5 on of Futuna, before it was named Anne by the FMS during December 24, as satellite pictures showed that a tropical cyclone was developing. During December 25, the winds were indirectly estimated to be off gale-force, as it passed south-westwards through the Fijian Islands. Severe Tropical Cyclone Bob February 2026 SPac Bob 1977.png December 31 January 12 945 85 80 Bob 1978 track.png Severe Tropical Cyclone Charles February 2026 SPac Charles 1978-02-23.jpg February 13 March 1 945 85 80 Charles 1978 track.png Tropical Cyclone Diana SPac February 15 February 22 980 Diana 1978 track.png 55 During February 15, a tropical depression developed within the South Pacific Convergence Zone, to the west of French Polynesia's Society Islands.1978 Tropical Cyclone Diana (1978047S13197) 1978047S13197 September 25, 2021 The International Best Track Archive for Climate Stewardship Over the next couple of days, the system moved eastwards towards Mopelia while gradually developing further, before it was named Diana by the FMS during February 16. Tropical Cyclone Ernie SPac Ernie 1978 track.png February 17 February 23 980 55 50 During February 17, the FMS started to monitor a tropical depression that had developed, about 560 km mi 5 on to the northwest of Udu Point in Fiji. During that day, the system deepened as it moved south-eastwards towards Fiji before the FMS named it Ernie. Severe Tropical Cyclone Hal February 2026 SPac Hal 1978-04-14 2333Z.png Hal 1978 track.png April 13 (entered basin) April 22 965 70 80 Season effects |- | Steve || 19781104 November 24 – December 4 || bgcolor=#A2|Category 2 tropical cyclone || bgcolor=#A2|60 kn km/h mph 5 out on on || bgcolor=#A2|965 hPa inHg 4 on || || || || |- | Tessa || 19781205 December 5 – 11 || bgcolor=#A1|Category 1 tropical cyclone || bgcolor=#A1|40 kn km/h mph 5 out on on || bgcolor=#A1|990 hPa inHg 4 on || || || || |- | Anne || 19790103 December 23 – 31 || bgcolor=#A1|Category 1 tropical cyclone || bgcolor=#A1|55 kn km/h mph 5 out on on || bgcolor=#A1|980 hPa inHg 4 on || || || || |- | Bob || 19790103 December 31 – January 12 || bgcolor=#A3|Category 3 severe tropical cyclone || bgcolor=#A3|85 kn km/h mph 5 out on on || bgcolor=#A3|945 hPa inHg 4 on || || || || |- | Charles || 19790103 February 13 – March 1 || bgcolor=#A3|Category 3 severe tropical cyclone || bgcolor=#A3|85 kn km/h mph 5 out on on || bgcolor=#A3|945 hPa inHg 4 on || || || || |- | Diana || 0213 February 15 – 22 || bgcolor=#A2|Category 2 tropical cyclone || bgcolor=#A2|55 kn km/h mph 5 out on on || bgcolor=#A2|980 hPa inHg 4 on || || || || |- | Ernie || 0221 February 17 – 23 || bgcolor=#A2|Category 2 tropical cyclone || bgcolor=#A2|55 kn km/h mph 5 out on on || bgcolor=#A2|980 hPa inHg 4 on || || || || |- | Hal || 0324 April 13 – 22 || bgcolor=#A3|Category 3 severe tropical cyclone || bgcolor=#A3|70 kn km/h mph 5 out on on || bgcolor=#A3|965 hPa inHg 4 on || || || || |- 8 systems November 24 – April 22 85 kn km/h mph 5 out on on 945 hPa inHg 4 on See also Tropical cyclones Tropical cyclones in 1978 Atlantic hurricane seasons: 1977, 1978 Eastern Pacific hurricane seasons: 1977, 1978 Western Pacific typhoon seasons: 1977, 1978 North Indian Ocean cyclone seasons: 1977, 1978 References 2 External links 1970 South Pacific cyclone yes 1977 y Category:South Pacific cyclone seasons Category:Articles which contain graphical timelines