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Best track · IBTrACS
ArchivedPeak depression
Tropical Depression 1S (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 July 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 4 days.
Track data
Download CSV| Time UTC | Position | Strength | Wind | Pressure |
|---|---|---|---|---|
| 1989-07-07 12:00 | 7.4°S 87.6°E | TD | 30 mph / 45 km/h | — |
| 1989-07-07 18:00 | 7.1°S 87.1°E | TD | 30 mph / 45 km/h | — |
| 1989-07-08 00:00 | 7.0°S 86.6°E | TD | 30 mph / 45 km/h | — |
| 1989-07-08 06:00 | 7.0°S 86.3°E | TD | 30 mph / 45 km/h | — |
| 1989-07-08 12:00 | 7.0°S 85.9°E | TD | 30 mph / 45 km/h | — |
| 1989-07-08 18:00 | 7.2°S 85.6°E | TD | 30 mph / 45 km/h | — |
| 1989-07-09 00:00 | 7.5°S 85.5°E | TD | 30 mph / 45 km/h | — |
| 1989-07-09 06:00 | 7.8°S 85.5°E | TD | 30 mph / 45 km/h | — |
Show all 18 points
| 1989-07-09 12:00 | 8.1°S 85.7°E | TD | 30 mph / 45 km/h | — |
| 1989-07-09 18:00 | 8.2°S 86.0°E | TD | 30 mph / 45 km/h | — |
| 1989-07-10 00:00 | 8.1°S 86.3°E | TD | 30 mph / 45 km/h | — |
| 1989-07-10 06:00 | 8.0°S 86.6°E | TD | 35 mph / 55 km/h | — |
| 1989-07-10 12:00 | 7.8°S 86.7°E | TD | 35 mph / 55 km/h | — |
| 1989-07-10 18:00 | 7.6°S 86.7°E | TD | 35 mph / 55 km/h | — |
| 1989-07-11 00:00 | 7.5°S 86.5°E | TD | 35 mph / 55 km/h | — |
| 1989-07-11 06:00 | 7.5°S 86.3°E | TD | 35 mph / 55 km/h | — |
| 1989-07-11 12:00 | 7.8°S 86.4°E | TD | 35 mph / 55 km/h | — |
| 1989-07-11 18:00 | 8.0°S 86.5°E | TD | 30 mph / 45 km/h | — |
Tropical Depression 1S 1989 FAQ
Did Tropical Depression 1S 1989 make landfall?
No. The best track does not record a landfall for 1S; it stayed over water.
How strong did 1S get in 1989?
1S peaked as a tropical depression with maximum sustained winds of 35 mph (55 km/h).
When did 1S form and dissipate?
1S was first tracked on Jul 7 1989 and last tracked on Jul 11 1989, about 4 days in all.