1969–70 South-West Indian Ocean cyclone season
The 1969–70 South-West Indian Ocean cyclone season was an active cyclone season.
| 1969–70 South-West Indian Ocean cyclone season | |
|---|---|
 Season summary map | |
| Seasonal boundaries | |
| First system formed | August 19, 1969 |
| Last system dissipated | April 1, 1970 |
| Strongest storm | |
| Name | Jane |
| • Maximum winds | 230 km/h (145 mph) (1-minute sustained) |
| Seasonal statistics | |
| Total depressions | 13 |
| Total storms | 13 |
| Tropical cyclones | 8 |
| Total fatalities | 30 |
| Total damage | Unknown |
| Related articles | |
| |
Systems
Tropical Storm Aline
| Tropical storm (SSHWS) | |
  | |
| Duration | August 19 – August 22 |
|---|---|
| Peak intensity | 100 km/h (65 mph) (1-min) |
Aline existed from August 19 to August 22.
Tropical Cyclone Blanche
| Category 1 tropical cyclone (SSHWS) | |
  | |
| Duration | October 7 – October 15 |
|---|---|
| Peak intensity | 130 km/h (80 mph) (1-min) |
October 7 to October 15.
Tropical Storm Corrine
| Tropical storm (SSHWS) | |
  | |
| Duration | November 11 – November 21 |
|---|---|
| Peak intensity | 85 km/h (50 mph) (1-min) |
26 deaths in Comoros and Mozambique.[1]
Tropical Storm Delphine
| Tropical storm (SSHWS) | |
  | |
| Duration | December 29 – January 1 |
|---|---|
| Peak intensity | 65 km/h (40 mph) (1-min) |
Delphine existed from December 29 to January 1.
Tropical Cyclone Diane-Francoise
| Category 1 tropical cyclone (SSHWS) | |
  | |
| Duration | January 10 (entered basin) – January 16 |
|---|---|
| Peak intensity | 130 km/h (80 mph) (1-min) |
This system entered the basin on January 7 and dissipated on January 17.
Tropical Storm Eliane
| Tropical storm (SSHWS) | |
  | |
| Duration | January 7 – January 11 |
|---|---|
| Peak intensity | 65 km/h (40 mph) (1-min) |
The storm struck western Madagascar, bringing rainfall.[2]
Tropical Cyclone Genevieve
| Category 1 tropical cyclone (SSHWS) | |
  | |
| Duration | January 10 – January 19 |
|---|---|
| Peak intensity | 120 km/h (75 mph) (1-min) |
Four deaths in Madagascar due to flooding.[3]
Tropical Cyclone Hermine
| Category 1 tropical cyclone (SSHWS) | |
  | |
| Duration | January 22 – January 27 |
|---|---|
| Peak intensity | 120 km/h (75 mph) (1-min) |
One death on Reunion.[4]
Tropical Cyclone Harriet-Iseult
| Category 4 tropical cyclone (SSHWS) | |
  | |
| Duration | February 3 (entered basin) – February 13 |
|---|---|
| Peak intensity | 220 km/h (140 mph) (1-min) |
Iseult existed from February 2 to February 15.
Tropical Cyclone Jane
| Category 4 tropical cyclone (SSHWS) | |
  | |
| Duration | February 11 (entered basin) – February 28 |
|---|---|
| Peak intensity | 230 km/h (145 mph) (1-min) |
It was named Josephine in its formative stages due to being in what was considered the Australian basin at the time.[5]
Tropical Storm Katia
| Tropical storm (SSHWS) | |
  | |
| Duration | March 16 – March 26 |
|---|---|
| Peak intensity | 85 km/h (50 mph) (1-min) |
Katia existed from March 16 to March 26.
Tropical Cyclone Louise
| Category 2 tropical cyclone (SSHWS) | |
  | |
| Duration | March 20 – April 1 |
|---|---|
| Peak intensity | 155 km/h (100 mph) (1-min) |
Louise existed from March 20 to April 1.
Tropical Cyclone Kathy-Michelle
| Category 1 tropical cyclone (SSHWS) | |
  | |
| Duration | March 26 (entered basin) – March 30 |
|---|---|
| Peak intensity | 140 km/h (85 mph) (1-min) |
Michelle entered the basin on March 24 and dissipated on March 30.
See also
References
- http://webapp1.dlib.indiana.edu/virtual_disk_library/index.cgi/4274123/FID218/DATA/TROPIC/SWI_NAR/1969_10.NAR
- http://webapp1.dlib.indiana.edu/virtual_disk_library/index.cgi/4274123/FID218/DATA/TROPIC/SWI_NAR/1970_2.NAR
- http://webapp1.dlib.indiana.edu/virtual_disk_library/index.cgi/4274123/FID218/DATA/TROPIC/SWI_NAR/1970_3.NAR
- http://webapp1.dlib.indiana.edu/virtual_disk_library/index.cgi/4274123/FID218/DATA/TROPIC/SWI_NAR/1970_4.NAR
- http://webapp1.dlib.indiana.edu/virtual_disk_library/index.cgi/4274123/FID218/DATA/TROPIC/SWI_NAR/1970_6.NAR
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