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1975–1980 Southern Hemisphere tropical cyclone seasons

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The 1975–80 Southern Hemisphere tropical cyclone seasons ran year-round from July 1 to June 30 during each year between 1975 and 1980. Tropical cyclone activity in the Southern Hemisphere reaches its peak from mid-February to early March.

Template:Southern Hemisphere Cyclone Seasons

1975–1976 Southern Hemisphere tropical cyclone season

Main article: 1975–76 South-West Indian Ocean cyclone season
Main article: 1975–76 Australian region cyclone season

Tropical Storm 01P

Tropical storm (SSHWS)
 
DurationJuly 31 – August 4
Peak intensity85 km/h (50 mph) (1-min);

Tropical Cyclone Ray

Category 2 tropical cyclone (Australian scale)
Category 1 tropical cyclone (SSHWS)
 
DurationNovember 17 – November 25
Peak intensity100 km/h (65 mph) (10-min);
973 hPa (mbar)

Moderate Tropical Storm Audrey

Moderate tropical storm (MFR)
Tropical storm (SSHWS)
 
DurationNovember 17 – November 29
Peak intensity65 km/h (40 mph) (10-min);

Tropical Depression Charlotte

Tropical depression (SSHWS)
 
DurationNovember 18 – November 19
Peak intensity30 km/h (15 mph) (1-min);
1007 hPa (mbar)

Severe Tropical Cyclone Joan

Category 5 severe tropical cyclone (Australian scale)
Category 4 tropical cyclone (SSHWS)
DurationNovember 30 – December 10
Peak intensity230 km/h (145 mph) (10-min);
915 hPa (mbar)
Main article: Cyclone Joan

On the morning of November 30, 1975, satellite imagery showed a large cloud mass in the Timor Sea. The satellite photograph received on the morning of December 1 showed that significant organization had occurred in the cloud mass during the previous 24 hours. It was deemed at 0115 UTC that the system be named the developing cyclone Joan, located about 310 km west-northwest of Darwin. Joan's movement in the following 48 hours was towards the southwest at an average 5 km/h. The first evidence of the increasing strength of Joan came as the cyclone moved west-southwest past the northernmost areas of Western Australia on December 3. The cyclone's generally west-southwesterly track after December 2 took it away from the coast until 0900 6 December when it was about 420 km north of Port Hedland and the system turned southward. At about 2200 UTC December 7, 1975, the eye of tropical cyclone Joan crossed the coast about 50 km west of Port Hedland. The cyclone was travelling south-southwest at about 14 km/h and crossed over or adjacent to the homesteads on the pastoral properties Mundabullangana, Mallina, Coolawanyah, Hamersley, and Mount Brockman. As cyclone Joan crossed the coastal plain and the Chichester Range only a slow moderation of its intensity seems to have occurred, but as the cyclone crossed the Hamersley Range the available evidence suggests that a rapid weakening took place.

Tropical cyclone Joan was the most destructive cyclone to affect the Port Hedland area in more than 30 years. The city was subjected to sustained winds exceeding 90 km/h for about 10 hours with winds in excess of 120 km/h for three hours. The maximum measured wind gust of 208 km/h on December 8, 1975, is the fourth highest on record in Australia. Severe property damage occurred at Port Hedland and at other settlements close to the cyclone's path. Subsequent flooding damaged roads and sections of the iron ore railways, particularly that of Hamersley Iron Pty Ltd. Sheep losses were heavy but, remarkably, no loss of human life or serious injury was reported. The estimated damage to private property and public facilities is believed to have exceeded $25 million. [1]

Tropical Cyclone Kim

Category 1 tropical cyclone (Australian scale)
Tropical storm (SSHWS)
 
DurationDecember 1 – December 10
Peak intensity80 km/h (50 mph) (10-min);
990 hPa (mbar)

Tropical Cyclone Barbara

Tropical cyclone (MFR)
Category 1 tropical cyclone (SSHWS)
 
DurationDecember 3 – December 19
Peak intensity120 km/h (75 mph) (10-min);

Tropical Cyclone Sue

Category 1 tropical cyclone (Australian scale)
Tropical storm (SSHWS)
 
DurationDecember 12 – December 16
Peak intensity75 km/h (45 mph) (10-min);
994 hPa (mbar)

Moderate Tropical Storm Clotilde

Moderate tropical storm (MFR)
Category 1 tropical cyclone (SSHWS)
 
DurationJanuary 7 – January 21
Peak intensity65 km/h (40 mph) (10-min);

Intense Tropical Cyclone Terry-Danae

Intense tropical cyclone (MFR)
Category 3 tropical cyclone (SSHWS)
 
DurationJanuary 10 – January 29
Peak intensity175 km/h (110 mph) (10-min);
964 hPa (mbar)

Cyclone Danae struck Madagascar and then hit the east coast of Mozambique and South Africa in late January 1976. 50 people were killed in the flooding that resulted from the heavy rainfall of Cyclone Danae. WeatherSA Home: Johannesburg

Severe Tropical Cyclone David

Category 3 severe tropical cyclone (Australian scale)
Category 2 tropical cyclone (SSHWS)
 
DurationJanuary 11 – January 22
Peak intensity150 km/h (90 mph) (10-min);
961 hPa (mbar)

Severe Tropical Cyclone Vanessa

Category 4 severe tropical cyclone (Australian scale)
Category 3 tropical cyclone (SSHWS)
 
DurationJanuary 15 – January 28
Peak intensity175 km/h (110 mph) (10-min);
950 hPa (mbar)

Tropical Cyclone Elsa

Category 2 tropical cyclone (Australian scale)
Tropical storm (SSHWS)
 
DurationJanuary 20 – January 26
Peak intensity100 km/h (65 mph) (10-min);
980 hPa (mbar)

Tropical Cyclone Alan

Category 2 tropical cyclone (Australian scale)
Tropical storm (SSHWS)
 
DurationJanuary 30 – February 9
Peak intensity95 km/h (60 mph) (10-min);
989 hPa (mbar)

Severe Tropical Cyclone Frances

Category 3 severe tropical cyclone (Australian scale)
Category 1 tropical cyclone (SSHWS)
 
DurationFebruary 2 – February 10
Peak intensity130 km/h (80 mph) (10-min);
965 hPa (mbar)

Severe Tropical Cyclone Beth

Category 3 severe tropical cyclone (Australian scale)
Category 1 tropical cyclone (SSHWS)
 
DurationFebruary 13 – February 22
Peak intensity130 km/h (80 mph) (10-min);
972 hPa (mbar)

Severe Tropical Cyclone Wally

Category 3 severe tropical cyclone (Australian scale)
Category 1 tropical cyclone (SSHWS)
 
DurationFebruary 22 – February 27
Peak intensity130 km/h (80 mph) (10-min);
973 hPa (mbar)

Severe Tropical Cyclone Colin

Category 3 severe tropical cyclone (Australian scale)
Category 2 tropical cyclone (SSHWS)
 
DurationFebruary 25 – March 7
Peak intensity155 km/h (100 mph) (10-min);
954 hPa (mbar)

Tropical Cyclone Alice

Category 1 tropical cyclone (Australian scale)
Tropical storm (SSHWS)
 
DurationMarch 2 – March 13
Peak intensity85 km/h (50 mph) (10-min);
988 hPa (mbar)

Tropical Cyclone Dawn

Category 1 tropical cyclone (Australian scale)
Tropical storm (SSHWS)
 
DurationMarch 3 – March 6
Peak intensity75 km/h (45 mph) (10-min);
988 hPa (mbar)

Tropical Depression George

Tropical depression (Australian scale)
 
DurationMarch 9 – March 13
Peak intensity30 km/h (15 mph) (10-min);
1006 hPa (mbar)

Tropical Cyclone Hope

Category 1 tropical cyclone (Australian scale)
Tropical storm (SSHWS)
 
DurationMarch 9 – March 19
Peak intensity75 km/h (45 mph) (10-min);
990 hPa (mbar)

Tropical Depression Ella

Tropical depression (SSHWS)
 
DurationMarch 9 – March 12
Peak intensity55 km/h (35 mph) (1-min);

Tropical Low Linda

Tropical low (Australian scale)
Tropical storm (SSHWS)
 
DurationMarch 14 – March 17
Peak intensity55 km/h (35 mph) (10-min);
995 hPa (mbar)

Tropical Disturbance Frederique

Tropical disturbance (MFR)
Tropical depression (SSHWS)
 
DurationMarch 25 – March 26
Peak intensity45 km/h (30 mph) (10-min);

Cyclone Gladys

Cyclone Bert-Heliotrope

Cyclone Jan

Cyclone Watorea

Cyclone Carol

1976–1977 Southern Hemisphere tropical cyclone season

Main article: 1976–77 South-West Indian Ocean cyclone season
Main article: 1976–77 Australian region cyclone season

Moderate Tropical Storm Agathe

Cyclone Brigitta

Tropical Cyclone Harry

Severe tropical storm (MFR)
Tropical storm (SSHWS)
 
DurationDecember 15 – December 21
Peak intensity100 km/h (65 mph) (10-min);
985 hPa (mbar)

Harry formed on December 15 near the Sunda Strait, and moved west-southwest through its existence. Its maximum intensity was reached as the cyclone passed north of the Cocos-Keeling Islands. The system then weakened and dissipated well east of Madagascar.[2]

Cyclone Ted

Ted made landfall in Queensland on January 1, 1977. The storm killed 2 people and left $49 million in damage.[3]

Cyclone Clarence

Cyclone Irene

Cyclone Marion

Cyclone June

Cyclone Domitile

Cyclone Emilie

Cyclone Emilie struck the east coast of Mozambique and northeastern South Africa in February 1977. Heavy flooding in the Limpopo Valley killed at least 300 people. [1] [2]

Cyclone Fifi

Cyclone Keith

Cyclone Gilda

Cyclone Jack-Io

Cyclone Lily

Cyclone Miles

Cyclone Hervea

Cyclone Nancy

Cyclone Karen

Cyclone Otto

Otto made landfall near Bowen, Queensland in March 1977. The storm caused minimal wind damage but caused extensive beach erosion.[4]

Cyclone Norman

Cyclone Pat

Cyclone Leo

Leo affected Port Hedland around March 1977.

Cyclone Robert

Cyclone Verna

1977–1978 Southern Hemisphere tropical cyclone season

Main article: 1977–78 South-West Indian Ocean cyclone season
Main article: 1977–78 Australian region cyclone season
Main article: 1977–78 South Pacific cyclone season

1978–1979 Southern Hemisphere tropical cyclone season

Main article: 1978–79 South-West Indian Ocean cyclone season
Main article: 1978–79 Australian region cyclone season
Main article: 1978–79 South Pacific cyclone season

1979–1980 Southern Hemisphere tropical cyclone season

Main article: 1979–80 South-West Indian Ocean cyclone season
Main article: 1979–80 Australian region cyclone season
Main article: 1979–80 South Pacific cyclone season

See also

References

  1. ^ CYCLONE JOAN DECEMBER 1975 – BOM REPORT
  2. ^ Dick DeAngelis (March 1977). "Hurricane Alley". Mariners Weather Log. 21 (2). National Oceanic and Atmospheric Administration: 92.
  3. ^ https://web.archive.org/web/20071015185237/http://www.ema.gov.au/ema/emadisasters.nsf/54273a46a9c753b3ca256d0900180220/6f607788bb439cbfca256d3300057bbc?OpenDocument
  4. ^ https://web.archive.org/web/20080916112005/http://www.ema.gov.au/ema/emadisasters.nsf/54273a46a9c753b3ca256d0900180220/d77e2c313a5f5ba0ca256d33000580cf?OpenDocument
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