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South Indian Ocean Tropical Cyclone Season 1970-1971
Season 1970-1971 Summaries: [BoM-AU] [JTWC-AU] [JTWC-SIO] [JTWC-SPAC] [JTWC-SH]
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Joint Typhoon Warning Centre (JTWC) Tropical Cyclone Data
South Indian Ocean: All or some of the track must occur west of 135 E to be included.

Cyclone Name Map
ID
Cyclone
Number
Basin Date Range (UTC) Min
CP
Max
Winds
Tracking Map and data
BETSY 1 746 / 7101 SIO 05 Oct 1970 - 09 Oct 1970

Tropical Cyclone BETSY
CLAUDINE 2 747 / 7102 SIO 05 Nov 1970 - 13 Nov 1970

Tropical Cyclone CLAUDINE
197103 3 748 / 7103 SIO 21 Nov 1970 - 30 Nov 1970

Tropical Cyclone 197103
HILARY-DOMINIQUE 4 749 / 7104 SIO 14 Dec 1970 - 28 Dec 1970

Tropical Cyclone HILARY-DOMINIQUE
JANET 5 750 / 7105 SIO 20 Dec 1970 - 23 Dec 1970

Tropical Cyclone JANET
MYRTLE-GINETTE 6 753 / 7108 SIO 17 Jan 1971 - 31 Jan 1971

Tropical Cyclone MYRTLE-GINETTE
FELICIE 7 754 / 7109 SIO 17 Jan 1971 - 05 Feb 1971

Tropical Cyclone FELICIE
197110 8 755 / 7110 SIO 21 Jan 1971 - 31 Jan 1971

Tropical Cyclone 197110
RITA 9 756 / 7111 SIO 23 Jan 1971 - 30 Jan 1971
45 Tropical Cyclone RITA
SHEILASOPHI 10 757 / 7112 SIO 29 Jan 1971 - 06 Feb 1971
70 Tropical Cyclone SHEILASOPHI
AGGIE 11 758 / 7113 both 01 Feb 1971 - 03 Feb 1971
45 Tropical Cyclone AGGIE
HELGA 12 759 / 7114 SIO 03 Feb 1971 - 12 Feb 1971

Tropical Cyclone HELGA
IPHIGENIE 13 762 / 7117 SIO 12 Feb 1971 - 15 Feb 1971

Tropical Cyclone IPHIGENIE
JOELLE 14 764 / 7119 SIO 15 Feb 1971 - 22 Feb 1971

Tropical Cyclone JOELLE
KALINKA 15 765 / 7120 SIO 16 Feb 1971 - 25 Feb 1971

Tropical Cyclone KALINKA
YVONNE-LISE 16 767 / 7122 SIO 21 Feb 1971 - 28 Feb 1971

Tropical Cyclone YVONNE-LISE
MAGGIE-MURIEL 17 768 / 7123 SIO 10 Mar 1971 - 17 Mar 1971

Tropical Cyclone MAGGIE-MURIEL
NELLY 18 770 / 7125 SIO 15 Mar 1971 - 24 Mar 1971

Tropical Cyclone NELLY
MAVIS 19 771 / 7126 SIO 23 Mar 1971 - 29 Mar 1971
50 Tropical Cyclone MAVIS

Minimum central pressure (CP) in hPa. Maximum winds are 1-min average in knots.

Tropical cyclone tracks developed by Michael Bath using data from the Joint Typhoon Warning Centre Best Tracks and Google Maps.


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Document: jtwc_1970_1971_south_indian_ocean_tropical_cyclones.htm Updated: 28 June 2017