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

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)

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.[1] 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)
Tropical storm (SSHWS)
 
DurationFebruary 15 – February 22
Peak intensity95 km/h (60 mph) (10-min)  980 hPa (mbar)

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.[1] During that day, the system deepened as it moved south-eastwards towards Fiji before the FMS named it Ernie.[1]

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)
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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. Krishna, Ram (January 4, 1981). Publication No. 2: Tropical Cyclones in Fiji: November 1969 – April 1980 (Report). Fiji Meteorological Service. pp. 3–5.
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