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Best track · IBTrACS
ArchivedPeak depression
Tropical Depression 4S (1989)
Track & history
Peak wind
35 mph / 55 km/h
Min pressure
—
Dates
–
Landfall
None
Storm history
This system formed in the Southern Hemisphere in October 1989 and peaked as a tropical depression with maximum sustained winds of 35 mph (55 km/h). It did not make landfall. The system was tracked for 7 days.
Track data
Download CSV| Time UTC | Position | Strength | Wind | Pressure |
|---|---|---|---|---|
| 1989-10-11 00:00 | 8.2°S 79.7°E | TD | 25 mph / 35 km/h | — |
| 1989-10-11 06:00 | 8.6°S 79.5°E | TD | 30 mph / 45 km/h | — |
| 1989-10-11 12:00 | 9.0°S 79.4°E | TD | 30 mph / 45 km/h | — |
| 1989-10-11 18:00 | 9.4°S 79.4°E | TD | 30 mph / 45 km/h | — |
| 1989-10-12 00:00 | 9.8°S 79.4°E | TD | 30 mph / 45 km/h | — |
| 1989-10-12 06:00 | 10.3°S 79.2°E | TD | 35 mph / 55 km/h | — |
| 1989-10-12 12:00 | 10.6°S 78.5°E | TD | 35 mph / 55 km/h | — |
| 1989-10-12 18:00 | 10.7°S 77.8°E | TD | 35 mph / 55 km/h | — |
Show all 27 points
| 1989-10-13 00:00 | 10.7°S 77.3°E | TD | 35 mph / 55 km/h | — |
| 1989-10-13 06:00 | 10.8°S 76.9°E | TD | 35 mph / 55 km/h | — |
| 1989-10-13 12:00 | 10.8°S 76.4°E | TD | 35 mph / 55 km/h | — |
| 1989-10-13 18:00 | 10.9°S 75.8°E | TD | 35 mph / 55 km/h | — |
| 1989-10-14 00:00 | 10.9°S 75.3°E | TD | 35 mph / 55 km/h | — |
| 1989-10-14 06:00 | 10.7°S 75.0°E | TD | 35 mph / 55 km/h | — |
| 1989-10-14 12:00 | 10.5°S 74.8°E | TD | 35 mph / 55 km/h | — |
| 1989-10-14 18:00 | 10.2°S 74.4°E | TD | 35 mph / 55 km/h | — |
| 1989-10-15 00:00 | 9.8°S 73.9°E | TD | 35 mph / 55 km/h | — |
| 1989-10-15 06:00 | 9.5°S 73.4°E | TD | 35 mph / 55 km/h | — |
| 1989-10-15 12:00 | 9.3°S 72.9°E | TD | 35 mph / 55 km/h | — |
| 1989-10-15 18:00 | 8.9°S 72.5°E | TD | 35 mph / 55 km/h | — |
| 1989-10-16 00:00 | 8.5°S 72.0°E | TD | 35 mph / 55 km/h | — |
| 1989-10-16 06:00 | 8.3°S 71.3°E | TD | 35 mph / 55 km/h | — |
| 1989-10-16 12:00 | 8.0°S 70.5°E | TD | 35 mph / 55 km/h | — |
| 1989-10-16 18:00 | 7.5°S 69.7°E | TD | 35 mph / 55 km/h | — |
| 1989-10-17 00:00 | 7.2°S 68.8°E | TD | 30 mph / 45 km/h | — |
| 1989-10-17 06:00 | 6.9°S 67.9°E | TD | 30 mph / 45 km/h | — |
| 1989-10-17 12:00 | 6.6°S 66.7°E | TD | 30 mph / 45 km/h | — |
Tropical Depression 4S 1989 FAQ
Did Tropical Depression 4S 1989 make landfall?
No. The best track does not record a landfall for 4S; it stayed over water.
How strong did 4S get in 1989?
4S peaked as a tropical depression with maximum sustained winds of 35 mph (55 km/h).
When did 4S form and dissipate?
4S was first tracked on Oct 11 1989 and last tracked on Oct 17 1989, about 7 days in all.