1970–71 Australian region cyclone season

Category 1 tropical cyclone (Australian scale)
Tropical storm (SSHWS)
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Duration	November 20 – November 26 (Crossed 80°E)
Peak intensity	85 km/h (50 mph) (10-min);; 990 hPa (mbar)

Category 3 severe tropical cyclone (Australian scale)
Tropical storm (SSHWS)
	<img src="//up.wiki.x.io/wikipedia/commons/thumb/9/94/Andrea-Claudine_1970-11-04_0545Z.png/150px-Andrea-Claudine_1970-11-04_0545Z.png" decoding="async" width="150" height="150" class="mw-file-element" data-file-width="210" data-file-height="210"> <img src="//up.wiki.x.io/wikipedia/commons/thumb/6/6f/Andrea-Claudine_1970_track.png/150px-Andrea-Claudine_1970_track.png" decoding="async" width="150" height="93" class="mw-file-element" data-file-width="2700" data-file-height="1669">
Duration	October 31 – November 10 (Crossed 80°E)
Peak intensity	130 km/h (80 mph) (10-min);; 970 hPa (mbar)

1970–71 Australian region cyclone season
1970–71 Australian region cyclone season
	Season summary map
Seasonal boundaries
First system formed	31 October 1970
Last system dissipated	29 March 1971
Strongest storm
Name	Sheila-Sophie
• Maximum winds	215 km/h (130 mph); (10-minute sustained)
• Lowest pressure	925 hPa (mbar)
Seasonal statistics
Tropical lows	21
Tropical cyclones	21
Severe tropical cyclones	10
Total fatalities	Unknown
Total damage	Unknown
Related articles
	1970–71 South Pacific cyclone season; 1970–71 South-West Indian Ocean cyclone season;
	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

Severe Tropical Cyclone Andrea-Claudine

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

Tropical Cyclone Carmen

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

Severe Tropical Cyclone Beverley-Eva

Category 3 severe tropical cyclone (Australian scale)
Category 1 tropical cyclone (SSHWS)

Duration	November 26 – December 7
Peak intensity	130 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

Category 3 severe tropical cyclone (Australian scale)
Tropical storm (SSHWS)

Duration	December 11 – December 17 (Crossed 80°E)
Peak intensity	120 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

Category 2 tropical cyclone (Australian scale)
Tropical storm (SSHWS)

Duration	December 19 – December 25
Peak intensity	110 km/h (70 mph) (10-min); 980 hPa (mbar)

Janet, 19 to 25 December 1970 in central Indian Ocean

Tropical Cyclone Loris

Category 2 tropical cyclone (Australian scale)
Tropical storm (SSHWS)

Duration	December 26 – December 31
Peak intensity	110 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

Category 3 severe tropical cyclone (Australian scale)
Tropical storm (SSHWS)

Duration	January 15 – January 18 (Crossed 80°E)
Peak intensity	120 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

Category 2 tropical cyclone (Australian scale)

Duration	January 20 – January 29
Peak intensity	110 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

Category 2 tropical cyclone (Australian scale)
Tropical storm (SSHWS)

Duration	January 22 – January 30
Peak intensity	110 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 Sheila-Sophie

Category 5 severe tropical cyclone (Australian scale)
Category 4 tropical cyclone (SSHWS)

Duration	January 29 – February 4
Peak intensity	215 km/h (130 mph) (10-min); 925 hPa (mbar)

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

Tropical Cyclone Aggie

Category 2 tropical cyclone (Australian scale)
Tropical storm (SSHWS)

Duration	February 1 – February 4
Peak intensity	100 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

Category 1 tropical cyclone (Australian scale)
Tropical storm (SSHWS)

Duration	February 10 – February 17
Peak intensity	85 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

Category 3 severe tropical cyclone (Australian scale)
Category 1 tropical cyclone (SSHWS)

Duration	February 10 – February 14
Peak intensity	130 km/h (80 mph) (10-min); 970 hPa (mbar)

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

Tropical Cyclone Gertie

Category 2 tropical cyclone (Australian scale)
Tropical storm (SSHWS)

Duration	February 11 – February 16
Peak intensity	100 km/h (65 mph) (10-min); 983 hPa (mbar)

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

Tropical Cyclone Ida

Category 2 tropical cyclone (Australian scale)
Tropical storm (SSHWS)

Duration	February 15 – February 18 (Crossed 160°E)
Peak intensity	110 km/h (70 mph) (10-min); 980 hPa (mbar)

Ida, 15 to 22 February 1971 in Coral Sea

Tropical Cyclone Kalinka

Category 1 tropical cyclone (Australian scale)
Tropical storm (SSHWS)

Duration	February 16 – February 18 (Crossed 80°E)
Peak intensity	85 km/h (50 mph) (10-min);

Severe Tropical Cyclone Fiona

Category 3 severe tropical cyclone (Australian scale)
Category 2 tropical cyclone (SSHWS)

Duration	February 16 – February 28
Peak intensity	155 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

Category 3 severe tropical cyclone (Australian scale)
Tropical storm (SSHWS)

Duration	February 19 – February 23 (Crossed 80°E)
Peak intensity	120 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

Category 3 severe tropical cyclone (Australian scale)
Category 2 tropical cyclone (SSHWS)

Duration	March 7 – March 13 (Crossed 80°E)
Peak intensity	155 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

Category 2 tropical cyclone (Australian scale)
Tropical storm (SSHWS)

Duration	March 13 – March 18 (Crossed 160°E)
Peak intensity	110 km/h (70 mph) (10-min); 980 hPa (mbar)

Lena, 13 to 20 March 1971 near New Caledonia

Severe Tropical Cyclone Mavis

Category 3 severe tropical cyclone (Australian scale)
Category 1 tropical cyclone (SSHWS)

Duration	March 23 – March 29
Peak intensity	120 km/h (75 mph) (10-min); 975 hPa (mbar)

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

References

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

[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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