The 1969–70 South-West Indian Ocean cyclone season was an active cyclone season.
Quick Facts Seasonal boundaries, First system formed ...
1969–70 South-West Indian Ocean cyclone season |
---|
Season summary map |
|
First system formed | August 19, 1969 |
---|
Last system dissipated | April 1, 1970 |
---|
|
|
Name | Jane |
---|
• Maximum winds | 230 km/h (145 mph) (1-minute sustained) |
---|
|
|
Total depressions | 13 |
---|
Total storms | 13 |
---|
Tropical cyclones | 6 |
---|
Intense tropical cyclones | 0 |
---|
Very intense tropical cyclones | 2 |
---|
Total fatalities | 30 |
---|
Total damage | Unknown |
---|
|
|
South-West Indian Ocean tropical cyclone seasons 1967–68, 1968–69, 1969–70, 1970–71 1971–72 |
Close
Severe Tropical Storm Aline
Quick Facts Duration, Peak intensity ...
|
|
Duration | August 19 – August 22 |
---|
Peak intensity | 100 km/h (65 mph) (10-min);
|
---|
Close
Aline existed from August 19 to August 22.
Tropical Cyclone Blanche
Quick Facts Duration, Peak intensity ...
|
|
Duration | October 7 – October 15 |
---|
Peak intensity | 130 km/h (80 mph) (10-min);
|
---|
Close
October 7 to October 15.
Moderate Tropical Storm Corrine
Quick Facts Duration, Peak intensity ...
|
|
Duration | November 11 – November 21 |
---|
Peak intensity | 85 km/h (50 mph) (10-min);
|
---|
Close
26 deaths in Comoros and Mozambique.[1]
Moderate Tropical Storm Delphine
Quick Facts Duration, Peak intensity ...
|
|
Duration | December 29 – January 1 |
---|
Peak intensity | 65 km/h (40 mph) (10-min);
|
---|
Close
Delphine existed from December 29 to January 1.
Tropical Cyclone Diane–Francoise
Quick Facts Duration, Peak intensity ...
|
|
Duration | January 10 (entered basin) – January 16 |
---|
Peak intensity | 130 km/h (80 mph) (10-min);
|
---|
Close
This system entered the basin on January 7 and dissipated on January 17.
Moderate Tropical Storm Eliane
Quick Facts Duration, Peak intensity ...
|
|
Duration | January 7 – January 11 |
---|
Peak intensity | 65 km/h (40 mph) (10-min);
|
---|
Close
The storm struck western Madagascar, bringing rainfall.[2]
Tropical Cyclone Genevieve
Quick Facts Duration, Peak intensity ...
|
|
Duration | January 10 – January 19 |
---|
Peak intensity | 120 km/h (75 mph) (10-min);
|
---|
Close
Four deaths in Madagascar due to flooding.[3]
Tropical Cyclone Hermine
Quick Facts Duration, Peak intensity ...
|
|
Duration | January 22 – January 27 |
---|
Peak intensity | 120 km/h (75 mph) (10-min);
|
---|
Close
One death on Reunion.[4]
Very Intense Tropical Cyclone Harriet-Iseult
Quick Facts Duration, Peak intensity ...
|
|
Duration | February 3 (entered basin) – February 13 |
---|
Peak intensity | 220 km/h (140 mph) (10-min);
|
---|
Close
Iseult existed from February 2 to February 15.
Very Intense Tropical Cyclone Josephine-Jane
Quick Facts Duration, Peak intensity ...
|
|
Duration | February 11 (entered basin) – February 28 |
---|
Peak intensity | 230 km/h (145 mph) (10-min);
|
---|
Close
It was named Josephine in its formative stages due to being in what was considered the Australian basin at the time.[5]
Moderate Tropical Storm Katia
Quick Facts Duration, Peak intensity ...
|
|
Duration | March 16 – March 26 |
---|
Peak intensity | 85 km/h (50 mph) (10-min);
|
---|
Close
Katia existed from March 16 to March 26.
Tropical Cyclone Louise
Quick Facts Duration, Peak intensity ...
|
|
Duration | March 20 – April 1 |
---|
Peak intensity | 155 km/h (100 mph) (10-min);
|
---|
Close
Louise existed from March 20 to April 1.
Tropical Cyclone Kathy–Michelle
Quick Facts Duration, Peak intensity ...
|
|
Duration | March 26 (entered basin) – March 30 |
---|
Peak intensity | 140 km/h (85 mph) (10-min);
|
---|
Close
Michelle entered the basin on March 24 and dissipated on March 30.
- Atlantic hurricane seasons: 1969, 1970
- Eastern Pacific hurricane seasons: 1969, 1970
- Western Pacific typhoon seasons: 1969, 1970
- North Indian Ocean cyclone seasons: 1969, 1970