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1977–78 South Pacific cyclone season

1977–78 South Pacific cyclone season
Season summary map
Seasonal boundaries
First system formedNovember 24, 1977
Last system dissipatedApril 22, 1978
Strongest storm
NameBob and Charles
 • Maximum winds155 km/h (100 mph)
(10-minute sustained)
 • Lowest pressure945 hPa (mbar)
Seasonal statistics
Total depressions8
Tropical cyclones8
Severe tropical cyclones3
Total fatalitiesUnknown
Total damageUnknown
Related articles
South Pacific tropical cyclone seasons
1975–76, 1976–77, 1977–78, 1978–79, 1979–80

Seasonal summary

Tropical cyclone scales#South Pacific

Systems

Tropical Cyclone Steve

Category 2 tropical cyclone (Australian scale)
Category 1 tropical cyclone (SSHWS)
  
DurationNovember 24 – December 4
Peak intensity110 km/h (70 mph) (10-min) 965 hPa (mbar)

Tropical Cyclone Tessa

Category 1 tropical cyclone (Australian scale)
Tropical storm (SSHWS)
  
DurationDecember 5 – December 11
Peak intensity75 km/h (45 mph) (10-min) 990 hPa (mbar)

Tessa precursor tropical depression was first noted on December 5, while it was located in the southern Line Islands of Kiribati.[1][2] Over the next couple of days, the system moved southeastwards and gradually intensified, before it was named Tessa by the FMS during December 7.[1]

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.[1] The system was last noted during December 11, while it was located about 590 km (365 mi) to the northeast of Adams Town in the Pitcarn Islands.[2] 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 (6.07 in) during December 8.[1]

Tropical Cyclone Anne

Category 2 tropical cyclone (Australian scale)
Tropical storm (SSHWS)
  
DurationDecember 23 – December 31
Peak intensity100 km/h (65 mph) (10-min) 980 hPa (mbar)

For several days during the week building up to Christmas 1977, a tropical disturbance persisted about 925 km (575 mi) to the northeast of Fiji and to the northwest of Samoa.[3] A distinct cyclonic circulation subsequently started to develop during December 23, while it was located about 740 km (460 mi) to the northeast of Vanua Levu. Over the next day the system moved south-westwards and passed within 75 km (45 mi) 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

Category 3 severe tropical cyclone (Australian scale)
Category 1 tropical cyclone (SSHWS)
  
DurationDecember 31 – January 12
Peak intensity155 km/h (100 mph) (10-min) 945 hPa (mbar)

Severe Tropical Cyclone Charles

Category 3 severe tropical cyclone (Australian scale)
Category 1 tropical cyclone (SSHWS)
  
DurationFebruary 13 – March 1
Peak intensity155 km/h (100 mph) (10-min) 945 hPa (mbar)

Tropical Cyclone Diana

Category 2 tropical cyclone (Australian scale)
  
DurationFebruary 15 – February 22
Peak intensity100 km/h (65 mph) (10-min) 980 hPa (mbar)

During February 15, a tropical depression developed within the South Pacific Convergence Zone, to the west of French Polynesia's Society Islands.[1][4] 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.[1]

Tropical Cyclone Ernie

Category 2 tropical cyclone (Australian scale)
Tropical storm (SSHWS)
  
DurationFebruary 17 – February 23
Peak intensity100 km/h (65 mph) (10-min) 980 hPa (mbar)

During February 17, the FMS started to monitor a tropical depression that had developed, about 560 km (350 mi) to the northwest of Udu Point in Fiji.[3] During that day, the system deepened as it moved south-eastwards towards Fiji before the FMS named it Ernie.[3]

Severe Tropical Cyclone Hal

Category 3 severe tropical cyclone (Australian scale)
Category 1 tropical cyclone (SSHWS)
  
DurationApril 13 – April 22
Peak intensity130 km/h (80 mph) (10-min) 965 hPa (mbar)

Season effects

Name Dates Peak intensity Areas affected Damage
(USD)
Deaths Refs
Category Wind speed Pressure
Steve November 24 – December 4 Category 2 tropical cyclone 110 km/h (70 mph) 965 hPa (28.50 inHg)
Tessa December 5 – 11 Category 1 tropical cyclone 75 km/h (45 mph) 990 hPa (29.23 inHg) [1][2]
Anne December 23 – 31 Category 1 tropical cyclone 100 km/h (65 mph) 980 hPa (28.94 inHg)
Bob December 31 – January 12 Category 3 severe tropical cyclone 155 km/h (100 mph) 945 hPa (27.91 inHg)
Charles February 13 – March 1 Category 3 severe tropical cyclone 155 km/h (100 mph) 945 hPa (27.91 inHg)
Diana February 15 – 22 Category 2 tropical cyclone 100 km/h (65 mph) 980 hPa (28.94 inHg)
Ernie February 17 – 23 Category 2 tropical cyclone 100 km/h (65 mph) 980 hPa (28.94 inHg)
Hal April 13 – 22 Category 3 severe tropical cyclone 130 km/h (80 mph) 965 hPa (28.50 inHg)
Season aggregates
8 systems November 24 – April 22 155 km/h (100 mph) 945 hPa (27.91 inHg)

See also

  • 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

  1. ^ a b c d e f g Laurent, Victoire; Varney, Patrick (2014). Historique des Cyclones de Polynesie Francaise [History of Cyclones in French Polynesia] (in French). Meteo France. pp. 113–114. ISBN 978-2-9522946-1-4.
  2. ^ a b c "1977 Tropical Cyclone TESSA (1977339S11204)". The International Best Track Archive for Climate Stewardship. Retrieved September 25, 2021.
  3. ^ a b c Krishna, Ram (January 4, 1981). Publication No. 2: Tropical Cyclones in Fiji: November 1969 – April 1980 (Report). Fiji Meteorological Service. pp. 3–5.
  4. ^ "1978 Tropical Cyclone Diana (1978047S13197)". The International Best Track Archive for Climate Stewardship. Retrieved September 25, 2021.

External links

  • World Meteorological Organization
  • Australian Bureau of Meteorology
  • Fiji Meteorological Service
  • New Zealand MetService
  • Joint Typhoon Warning Center

1977, south, pacific, cyclone, season, season, summary, mapseasonal, boundariesfirst, system, formednovember, 1977last, system, dissipatedapril, 1978strongest, stormnamebob, charles, maximum, winds155, minute, sustained, lowest, pressure945, mbar, seasonal, st. 1977 78 South Pacific cyclone seasonSeason summary mapSeasonal boundariesFirst system formedNovember 24 1977Last system dissipatedApril 22 1978Strongest stormNameBob and Charles Maximum winds155 km h 100 mph 10 minute sustained Lowest pressure945 hPa mbar Seasonal statisticsTotal depressions8Tropical cyclones8Severe tropical cyclones3Total fatalitiesUnknownTotal damageUnknownRelated articles1977 78 South West Indian Ocean cyclone season 1977 78 Australian region cyclone seasonSouth Pacific tropical cyclone seasons1975 76 1976 77 1977 78 1978 79 1979 80Contents 1 Seasonal summary 2 Systems 2 1 Tropical Cyclone Steve 2 2 Tropical Cyclone Tessa 2 3 Tropical Cyclone Anne 2 4 Severe Tropical Cyclone Bob 2 5 Severe Tropical Cyclone Charles 2 6 Tropical Cyclone Diana 2 7 Tropical Cyclone Ernie 2 8 Severe Tropical Cyclone Hal 3 Season effects 4 See also 5 References 6 External linksSeasonal summary EditSystems EditTropical Cyclone Steve Edit Category 2 tropical cyclone Australian scale Category 1 tropical cyclone SSHWS DurationNovember 24 December 4Peak intensity110 km h 70 mph 10 min 965 hPa mbar Tropical Cyclone Tessa Edit Category 1 tropical cyclone Australian scale Tropical storm SSHWS DurationDecember 5 December 11Peak intensity75 km h 45 mph 10 min 990 hPa mbar Tessa precursor tropical depression was first noted on December 5 while it was located in the southern Line Islands of Kiribati 1 2 Over the next couple of days the system moved southeastwards and gradually intensified before it was named Tessa by the FMS during December 7 1 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 1 The system was last noted during December 11 while it was located about 590 km 365 mi to the northeast of Adams Town in the Pitcarn Islands 2 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 6 07 in during December 8 1 Tropical Cyclone Anne Edit Category 2 tropical cyclone Australian scale Tropical storm SSHWS DurationDecember 23 December 31Peak intensity100 km h 65 mph 10 min 980 hPa mbar For several days during the week building up to Christmas 1977 a tropical disturbance persisted about 925 km 575 mi to the northeast of Fiji and to the northwest of Samoa 3 A distinct cyclonic circulation subsequently started to develop during December 23 while it was located about 740 km 460 mi to the northeast of Vanua Levu Over the next day the system moved south westwards and passed within 75 km 45 mi 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 Edit Category 3 severe tropical cyclone Australian scale Category 1 tropical cyclone SSHWS DurationDecember 31 January 12Peak intensity155 km h 100 mph 10 min 945 hPa mbar Severe Tropical Cyclone Charles Edit Category 3 severe tropical cyclone Australian scale Category 1 tropical cyclone SSHWS DurationFebruary 13 March 1Peak intensity155 km h 100 mph 10 min 945 hPa mbar Tropical Cyclone Diana Edit Category 2 tropical cyclone Australian scale DurationFebruary 15 February 22Peak intensity100 km h 65 mph 10 min 980 hPa mbar During February 15 a tropical depression developed within the South Pacific Convergence Zone to the west of French Polynesia s Society Islands 1 4 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 1 Tropical Cyclone Ernie Edit Category 2 tropical cyclone Australian scale Tropical storm SSHWS DurationFebruary 17 February 23Peak intensity100 km h 65 mph 10 min 980 hPa mbar During February 17 the FMS started to monitor a tropical depression that had developed about 560 km 350 mi to the northwest of Udu Point in Fiji 3 During that day the system deepened as it moved south eastwards towards Fiji before the FMS named it Ernie 3 Severe Tropical Cyclone Hal Edit Category 3 severe tropical cyclone Australian scale Category 1 tropical cyclone SSHWS DurationApril 13 April 22Peak intensity130 km h 80 mph 10 min 965 hPa mbar Season effects EditName Dates Peak intensity Areas affected Damage USD Deaths RefsCategory Wind speed PressureSteve November 24 December 4 Category 2 tropical cyclone 110 km h 70 mph 965 hPa 28 50 inHg Tessa December 5 11 Category 1 tropical cyclone 75 km h 45 mph 990 hPa 29 23 inHg 1 2 Anne December 23 31 Category 1 tropical cyclone 100 km h 65 mph 980 hPa 28 94 inHg Bob December 31 January 12 Category 3 severe tropical cyclone 155 km h 100 mph 945 hPa 27 91 inHg Charles February 13 March 1 Category 3 severe tropical cyclone 155 km h 100 mph 945 hPa 27 91 inHg Diana February 15 22 Category 2 tropical cyclone 100 km h 65 mph 980 hPa 28 94 inHg Ernie February 17 23 Category 2 tropical cyclone 100 km h 65 mph 980 hPa 28 94 inHg Hal April 13 22 Category 3 severe tropical cyclone 130 km h 80 mph 965 hPa 28 50 inHg Season aggregates8 systems November 24 April 22 155 km h 100 mph 945 hPa 27 91 inHg See also Edit Tropical cyclones portalAtlantic hurricane seasons 1977 1978 Eastern Pacific hurricane seasons 1977 1978 Western Pacific typhoon seasons 1977 1978 North Indian Ocean cyclone seasons 1977 1978References Edit a b c d e f g Laurent Victoire Varney Patrick 2014 Historique des Cyclones de Polynesie Francaise History of Cyclones in French Polynesia in French Meteo France pp 113 114 ISBN 978 2 9522946 1 4 a b c 1977 Tropical Cyclone TESSA 1977339S11204 The International Best Track Archive for Climate Stewardship Retrieved September 25 2021 a b c Krishna Ram January 4 1981 Publication No 2 Tropical Cyclones in Fiji November 1969 April 1980 Report Fiji Meteorological Service pp 3 5 1978 Tropical Cyclone Diana 1978047S13197 The International Best Track Archive for Climate Stewardship Retrieved September 25 2021 External links EditWorld Meteorological Organization Australian Bureau of Meteorology Fiji Meteorological Service New Zealand MetService Joint Typhoon Warning Center Retrieved from https en wikipedia org w index php title 1977 78 South Pacific cyclone season amp oldid 1139627091, wikipedia, wiki, book, books, library,

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