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1970–71 Australian region cyclone season

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1970–71 Australian region cyclone season
Season summary map
Seasonal boundaries
First system formed31 October 1970
Last system dissipated29 March 1971
Strongest storm
NameSophie
 • Maximum winds215 km/h (130 mph)
(10-minute sustained)
 • Lowest pressure925 hPa (mbar)
Seasonal statistics
Tropical lows21
Tropical cyclones21
Severe tropical cyclones10
Total fatalitiesUnknown
Total damageUnknown
Related articles
Australian region tropical cyclone seasons
1968–69, 1969–70, 1970–71, 1971–72, 1972–73

The 1970–71 Australian region cyclone season was the second most active tropical cyclone season in the Australian Region.

Systems

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Severe Tropical Cyclone Andrea-Claudine

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Category 3 severe tropical cyclone (Australian scale)
Tropical storm (SSHWS)
 
DurationOctober 31 – November 10 (Crossed 80°E)
Peak intensity130 km/h (80 mph) (10-min);
970 hPa (mbar)

Andrea, 31 October to 11 November 1970 in central Indian Ocean

Tropical Cyclone Carmen

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Category 1 tropical cyclone (Australian scale)
Tropical storm (SSHWS)
 
DurationNovember 20 – November 26 (Crossed 80°E)
Peak intensity85 km/h (50 mph) (10-min);
990 hPa (mbar)

Tropical Cyclone Carmen developed on November 20 and left the basin on November 26.

Severe Tropical Cyclone Beverley-Eva

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Category 3 severe tropical cyclone (Australian scale)
Category 1 tropical cyclone (SSHWS)
 
DurationNovember 26 – December 7
Peak intensity130 km/h (80 mph) (10-min);
970 hPa (mbar)

Beverley, 26 November to 1 December 1970 in Arafura Sea. The decayed storm developed into Eva.

Severe Tropical Cyclone Dominique-Hilary

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Category 3 severe tropical cyclone (Australian scale)
Tropical storm (SSHWS)
 
DurationDecember 11 – December 17 (Crossed 80°E)
Peak intensity120 km/h (75 mph) (10-min);
974 hPa (mbar)

Severe Tropical Cyclone Dominique-Hilary developed on December 11 and left the basin on December 17.

Tropical Cyclone Janet

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Category 2 tropical cyclone (Australian scale)
Tropical storm (SSHWS)
 
DurationDecember 19 – December 25
Peak intensity110 km/h (70 mph) (10-min);
980 hPa (mbar)

Janet, 19 to 25 December 1970 in central Indian Ocean

Tropical Cyclone Loris

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Category 2 tropical cyclone (Australian scale)
Tropical storm (SSHWS)
 
DurationDecember 26 – December 31
Peak intensity110 km/h (70 mph) (10-min);
980 hPa (mbar)

Loris, 26 to 31 December 1970 crossed the Pilbara coast near Mandora with no serious damage.

Severe Tropical Cyclone Myrtle-Ginette

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Category 3 severe tropical cyclone (Australian scale)
Tropical storm (SSHWS)
 
DurationJanuary 15 – January 18 (Crossed 80°E)
Peak intensity120 km/h (75 mph) (10-min);
976 hPa (mbar)

Myrtle-Ginette, 15 to 18 January 1971 near Cocos Island and moved west

Tropical Cyclone Polly

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Category 2 tropical cyclone (Australian scale)
 
DurationJanuary 20 – January 29
Peak intensity110 km/h (70 mph) (10-min);
980 hPa (mbar)

Polly formed in the Indian Ocean west of the Keeling Islands and existed from 20 to 29 January.[1]

Tropical Cyclone Rita

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Category 2 tropical cyclone (Australian scale)
Tropical storm (SSHWS)
 
DurationJanuary 22 – January 30
Peak intensity110 km/h (70 mph) (10-min);
980 hPa (mbar)

Rita existed from 23 to 30 January 1971 passed over Exmouth, Western Australia with flood damage only.

Severe Tropical Cyclone Sophie

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Category 5 severe tropical cyclone (Australian scale)
Category 4 tropical cyclone (SSHWS)
 
DurationJanuary 29 – February 4
Peak intensity215 km/h (130 mph) (10-min);
925 hPa (mbar)

Sophie, 29 January to 6 February 1971 crossed the coast near Roebourne, Western Australia, while doing some damage.

Tropical Cyclone Aggie

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Category 2 tropical cyclone (Australian scale)
Tropical storm (SSHWS)
 
DurationFebruary 1 – February 4
Peak intensity100 km/h (65 mph) (10-min);
984 hPa (mbar)

Aggie, 1 to 4 February 1971 in Gulf of Carpentaria and Arnhem Land

Tropical Cyclone Dora

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Category 1 tropical cyclone (Australian scale)
Tropical storm (SSHWS)
 
DurationFebruary 10 – February 17
Peak intensity85 km/h (50 mph) (10-min);
990 hPa (mbar)

Cyclone Dora formed in the Coral sea east of Proserpine on February 10, 1971, it took a southeasterly track over the next 4 days away from the QLD coast turning into a low-pressure system well east of the QLD NSW border. On February 17 the system reintensified into a cyclone east of the Gold Coast and crossed the coast north of Brisbane at Redcliffe. Widespread structural damage was reported with power lines down and roofs removed.[2]

Severe Tropical Cyclone Tilly-Iphigenie

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Category 3 severe tropical cyclone (Australian scale)
Category 1 tropical cyclone (SSHWS)
 
DurationFebruary 10 – February 14
Peak intensity130 km/h (80 mph) (10-min);
970 hPa (mbar)

Severe Tropical Cyclone Tilly-Iphigenie existed from February 10 to February 14.

Tropical Cyclone Gertie

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Category 2 tropical cyclone (Australian scale)
Tropical storm (SSHWS)
 
DurationFebruary 11 – February 16
Peak intensity100 km/h (65 mph) (10-min);
983 hPa (mbar)

Gertie, 11 to 16 February 1971 crossed near Townsville, Queensland.

Tropical Cyclone Ida

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Category 2 tropical cyclone (Australian scale)
Tropical storm (SSHWS)
 
DurationFebruary 15 – February 18 (Crossed 160°E)
Peak intensity110 km/h (70 mph) (10-min);
980 hPa (mbar)

Ida, 15 to 22 February 1971 in Coral Sea

Tropical Cyclone Kalinka

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Category 1 tropical cyclone (Australian scale)
Tropical storm (SSHWS)
 
DurationFebruary 16 – February 18 (Crossed 80°E)
Peak intensity85 km/h (50 mph) (10-min);

Severe Tropical Cyclone Fiona

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Category 3 severe tropical cyclone (Australian scale)
Category 2 tropical cyclone (SSHWS)
 
DurationFebruary 16 – February 28
Peak intensity155 km/h (100 mph) (10-min);
960 hPa (mbar)

Severe Tropical Cyclone Fiona existed from February 16 to February 28.

Severe Tropical Cyclone Yvonne-Lise

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Category 3 severe tropical cyclone (Australian scale)
Tropical storm (SSHWS)
 
DurationFebruary 19 – February 23 (Crossed 80°E)
Peak intensity120 km/h (75 mph) (10-min);
975 hPa (mbar)

Severe Tropical Cyclone Yvonne-Lise developed on February 19 and left the basin on February 23.

Severe Tropical Cyclone Maggie-Muriel

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Category 3 severe tropical cyclone (Australian scale)
Category 2 tropical cyclone (SSHWS)
 
DurationMarch 7 – March 13 (Crossed 80°E)
Peak intensity155 km/h (100 mph) (10-min);
960 hPa (mbar)

Severe Tropical Cyclone Maggie-Muriel developed on March 7 and left the basin on March 13.

Tropical Cyclone Lena

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Category 2 tropical cyclone (Australian scale)
Tropical storm (SSHWS)
 
DurationMarch 13 – March 18 (Crossed 160°E)
Peak intensity110 km/h (70 mph) (10-min);
980 hPa (mbar)

Lena, 13 to 20 March 1971 near New Caledonia

Severe Tropical Cyclone Mavis

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Category 3 severe tropical cyclone (Australian scale)
Category 1 tropical cyclone (SSHWS)
 
DurationMarch 23 – March 29
Peak intensity120 km/h (75 mph) (10-min);
975 hPa (mbar)

Mavis, 23 to 29 March 1971 crossed coast near Denham, Western Australia causing flooding.

See also

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  • Atlantic hurricane seasons: 1970, 1971
  • Eastern Pacific hurricane seasons: 1970, 1971
  • Western Pacific typhoon seasons: 1970, 1971
  • North Indian Ocean cyclone seasons: 1970, 1971

References

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  1. ^ "Tropical Cyclones: Season 1970-1971 Tropical Cyclone Polly Track Map". Australian Severe Weather. Retrieved January 10, 2022.
  2. ^ "Tropical Cyclone Dora". www.bom.gov.au. Retrieved December 9, 2022.
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