The 1973–74 South-West Indian Ocean cyclone season was a below-average cyclone season. The season officially ran from November 1, 1973, to April 30, 1974.
Systems
Moderate Tropical Storm Alice
Alice was born around 80E, and reached its greatest intensity (Phase C plus) on September 20 to the north of Tromelin. but has resulted in some light to moderate rain over extreme northeastern Madagascar between 21 and 23, the winds not exceeding 55 km / h in the region of Diego-Suarez.[1]
Tropical Cyclone Bernadette
Bernadette, more active than before, has reached the stage of a tropical cyclone in the strict sense of the international classification, in the 26th October (minimum pressure estimated of 985 mb), moderate rainfall strong enough of have been recorded on the extreme north of Madagascar and off the cape of Amber, a boat noted a peak wind of 139 km/h.
Moderate Tropical Storm Christiane
Moderate Tropical Storm Christian existed from December 13 to December 21.
Intense Tropical Cyclone Deidre–Delinda
Tropical Cyclone Deidre-Delinda existed from December 26, 1973, to January 4, 1974.
Moderate Tropical Storm Esmeralda
Moderate Tropical Storm Esmeralda existed from December 30, 1973, to January 5, 1974. The storm looped to the southeast of Madagascar, bringing several days of rainfall to Réunion, reaching 222.2 mm (8.75 in).[2]
Tropical Disturbance Fredegonde
Tropical Disturbance Fredegonde existed from January 19 to January 23.
Tropical Cyclone Ghislaine
Moderate Tropical Storm Ghislaine existed from February 24 to March 3.
Severe Tropical Storm Honorine
Moderate Tropical Storm Honorine existed from April 12 to April 23.
Season effects
| Name | Dates | Peak intensity | Areas affected | Damage (USD) |
Deaths | Refs | ||
|---|---|---|---|---|---|---|---|---|
| Category | Wind speed | Pressure | ||||||
| Alice | September 14 – 24, 1973 | Moderate tropical storm | 75 km/h (45 mph) | 1000 hPa (29.53 inHg) | Madagascar | None | None | [3] |
| Bernadette | October 16 – 28, 1973 | Tropical cyclone | 150 km/h (90 mph) | 985 hPa (29.09 inHg) | None | None | None | [3] |
| Christiane | December 13 – 21, 1973 | Moderate tropical storm | 75 km/h (45 mph) | 995 hPa (29.38 inHg) | None | None | None | [3] |
| Deidre–Delinda | December 26, 1973 – January 4, 1974 | Intense Tropical cyclone | 205 km/h (125 mph) | 965 hPa (28.50 inHg) | None | None | None | [3] |
| Esmeralda | December 30, 1973 – January 5, 1974 | Moderate tropical storm | 85 km/h (50 mph) | 995 hPa (29.38 inHg) | None | None | None | [3] |
| Fredegonde | February 24 – March 3, 1974 | Tropical disturbance | 45 km/h (30 mph) | 1005 hPa (29.68 inHg) | None | None | None | [3] |
| Ghislaine | February 24 – March 3, 1974 | Tropical cyclone | 150 km/h (90 mph) | 985 hPa (29.09 inHg) | None | None | None | [3] |
| Honorine | April 12 – 23, 1974 | Severe tropical storm | 95 km/h (60 mph) | 998 hPa (29.47 inHg) | None | None | None | [3] |
| Season aggregates | ||||||||
| 8 systems | 20 January – 7 May | 205 km/h (125 mph) | 965 hPa (28.50 inHg) | |||||
See also
- Atlantic hurricane seasons: 1973, 1974
- Eastern Pacific hurricane seasons: 1973, 1974
- Western Pacific typhoon seasons: 1973, 1974
- North Indian Ocean cyclone seasons: 1973, 1974
References
- ^ "LA SAISON CYCLONIQUE 1973-1974" (PDF). Archived (PDF) from the original on 2013-10-31.
- ^ Tropical Storm Esmerelda, 31 December 1973-6 January 1974. National Climatic Data Center (Report). Global tropical/extratropical cyclone climatic atlas. 1996. Retrieved February 7, 2019.
- ^ a b c d e f g h "Saison 1973-1974 des perturbations tropicales dans l'océan indien du sud-ouest" [1973-1974 Tropical disturbance season in the southwestern Indian Ocean]. Météorologie Maritime (in French). No. 143. 1989. pp. 41–43. ISSN 0222-5123.