Cyclone Helisaonina (1985)
Track & history
Storm history
Helisaonina formed in the Southern Hemisphere in April 1985 and peaked as a Category 3 cyclone with maximum sustained winds of 125 mph (205 km/h) and a minimum pressure of 941 mb. It did not make landfall. The system was tracked for 12 days.
Track data
Download CSVData source: NOAA NCEI IBTrACS v04r01. IBTrACS v04r01 use constraints.
Gahtan, Jennifer; Knapp, Kenneth R.; Schreck, Carl J. III; Diamond, Howard J.; Kossin, James P.; Kruk, Michael C. (2024). International Best Track Archive for Climate Stewardship (IBTrACS) Project, Version 4.01. NOAA National Centers for Environmental Information. Cite the subset used and access date. IBTrACS v04r01 dataset DOI.
| Time UTC | Position | Strength | Wind | Pressure |
|---|---|---|---|---|
| 1985-04-07 06:00 | 9.2°S 76.1°E | — | — | — |
| 1985-04-07 12:00 | 9.3°S 76.1°E | — | — | — |
| 1985-04-07 18:00 | 9.5°S 76.0°E | — | — | — |
| 1985-04-08 00:00 | 9.7°S 75.9°E | — | — | — |
| 1985-04-08 06:00 | 10.0°S 75.8°E | — | — | — |
| 1985-04-08 12:00 | 10.2°S 75.7°E | — | — | — |
| 1985-04-08 18:00 | 10.4°S 75.7°E | — | — | — |
| 1985-04-09 00:00 | 10.6°S 75.6°E | — | — | — |
Show all 49 points
| 1985-04-09 06:00 | 10.8°S 75.6°E | — | — | — |
| 1985-04-09 12:00 | 11.0°S 75.6°E | — | — | — |
| 1985-04-09 18:00 | 11.2°S 75.5°E | — | — | — |
| 1985-04-10 00:00 | 11.3°S 75.4°E | — | — | — |
| 1985-04-10 06:00 | 11.8°S 74.6°E | TS | 45 mph / 75 km/h | — |
| 1985-04-10 12:00 | 11.9°S 73.4°E | TD | 30 mph / 45 km/h | — |
| 1985-04-10 18:00 | 11.8°S 72.4°E | TD | 35 mph / 55 km/h | — |
| 1985-04-11 00:00 | 12.0°S 71.5°E | TS | 40 mph / 65 km/h | 984 mb |
| 1985-04-11 06:00 | 12.4°S 70.8°E | TS | 45 mph / 75 km/h | 984 mb |
| 1985-04-11 12:00 | 13.1°S 70.2°E | TS | 50 mph / 85 km/h | 976 mb |
| 1985-04-11 18:00 | 13.6°S 69.6°E | TS | 60 mph / 95 km/h | 966 mb |
| 1985-04-12 00:00 | 14.1°S 68.8°E | TS | 70 mph / 110 km/h | 966 mb |
| 1985-04-12 06:00 | 14.6°S 68.0°E | C1 | 75 mph / 120 km/h | 954 mb |
| 1985-04-12 12:00 | 15.2°S 67.2°E | C1 | 85 mph / 140 km/h | 954 mb |
| 1985-04-12 18:00 | 15.8°S 66.4°E | C2 | 100 mph / 155 km/h | 954 mb |
| 1985-04-13 00:00 | 16.5°S 65.4°E | C2 | 105 mph / 165 km/h | 954 mb |
| 1985-04-13 06:00 | 17.0°S 64.6°E | C2 | 110 mph / 175 km/h | 954 mb |
| 1985-04-13 12:00 | 17.3°S 64.0°E | C3 | 115 mph / 185 km/h | 954 mb |
| 1985-04-13 18:00 | 17.6°S 63.4°E | C3 | 120 mph / 195 km/h | 941 mb |
| 1985-04-14 00:00 | 18.0°S 63.1°E | C3 | 125 mph / 205 km/h | 941 mb |
| 1985-04-14 06:00 | 18.3°S 63.2°E | C3 | 120 mph / 195 km/h | 966 mb |
| 1985-04-14 12:00 | 18.8°S 63.3°E | C3 | 115 mph / 185 km/h | 976 mb |
| 1985-04-14 18:00 | 18.9°S 63.7°E | C2 | 110 mph / 175 km/h | 984 mb |
| 1985-04-15 00:00 | 18.7°S 64.1°E | C2 | 105 mph / 165 km/h | 991 mb |
| 1985-04-15 06:00 | 18.4°S 64.3°E | C2 | 100 mph / 155 km/h | 991 mb |
| 1985-04-15 12:00 | 17.8°S 63.6°E | C1 | 85 mph / 140 km/h | 997 mb |
| 1985-04-15 18:00 | 17.4°S 62.5°E | C1 | 75 mph / 120 km/h | 1000 mb |
| 1985-04-16 00:00 | 17.2°S 61.3°E | TS | 65 mph / 100 km/h | 1003 mb |
| 1985-04-16 06:00 | 16.9°S 59.9°E | TS | 50 mph / 85 km/h | 1003 mb |
| 1985-04-16 12:00 | 16.5°S 58.7°E | TS | 45 mph / 75 km/h | 1003 mb |
| 1985-04-16 18:00 | 16.2°S 57.7°E | TS | 40 mph / 65 km/h | 1003 mb |
| 1985-04-17 00:00 | 15.8°S 56.7°E | TD | 35 mph / 55 km/h | 1003 mb |
| 1985-04-17 06:00 | 15.5°S 55.8°E | TD | 35 mph / 55 km/h | — |
| 1985-04-17 12:00 | 15.2°S 54.7°E | TD | 35 mph / 55 km/h | — |
| 1985-04-17 18:00 | 15.0°S 53.8°E | TD | 35 mph / 55 km/h | — |
| 1985-04-18 00:00 | 14.7°S 53.0°E | TD | 35 mph / 55 km/h | — |
| 1985-04-18 06:00 | 14.7°S 52.1°E | TD | 35 mph / 55 km/h | — |
| 1985-04-18 12:00 | 15.4°S 51.2°E | TD | 30 mph / 45 km/h | — |
| 1985-04-18 18:00 | 16.2°S 51.2°E | TD | 30 mph / 45 km/h | — |
| 1985-04-19 00:00 | 17.0°S 52.1°E | TD | 25 mph / 35 km/h | — |
| 1985-04-19 06:00 | 17.2°S 53.2°E | — | — | — |
Cyclone Helisaonina 1985 FAQ
Did Cyclone Helisaonina 1985 make landfall?
No. The best track does not record a landfall for Helisaonina; it stayed over water.
How strong did Helisaonina get in 1985?
Helisaonina peaked as a Category 3 cyclone with maximum sustained winds of 125 mph (205 km/h) and a minimum central pressure of 941 mb.
When did Helisaonina form and dissipate?
Helisaonina was first tracked on Apr 7 1985 and last tracked on Apr 19 1985, about 12 days in all.