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Best track · IBTrACS
ArchivedPeak depression
Tropical Depression 1S (1990)
Track & history
Peak wind
35 mph / 55 km/h
Min pressure
—
Dates
–
Landfall
None
Storm history
This system formed in the Southern Hemisphere in September 1990 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 6 days.
Track data
Download CSV| Time UTC | Position | Strength | Wind | Pressure |
|---|---|---|---|---|
| 1990-09-19 06:00 | 6.9°S 73.8°E | TD | 15 mph / 30 km/h | — |
| 1990-09-19 12:00 | 6.7°S 73.5°E | TD | 25 mph / 35 km/h | — |
| 1990-09-19 18:00 | 6.5°S 73.1°E | TD | 25 mph / 35 km/h | — |
| 1990-09-20 00:00 | 6.4°S 72.8°E | TD | 30 mph / 45 km/h | — |
| 1990-09-20 06:00 | 6.3°S 72.5°E | TD | 30 mph / 45 km/h | — |
| 1990-09-20 12:00 | 6.2°S 72.2°E | TD | 35 mph / 55 km/h | — |
| 1990-09-20 18:00 | 6.2°S 71.8°E | TD | 35 mph / 55 km/h | — |
| 1990-09-21 00:00 | 6.5°S 71.3°E | TD | 35 mph / 55 km/h | — |
Show all 26 points
| 1990-09-21 06:00 | 6.9°S 70.7°E | TD | 35 mph / 55 km/h | — |
| 1990-09-21 12:00 | 7.2°S 70.1°E | TD | 35 mph / 55 km/h | — |
| 1990-09-21 18:00 | 7.5°S 69.4°E | TD | 35 mph / 55 km/h | — |
| 1990-09-22 00:00 | 7.9°S 68.7°E | TD | 35 mph / 55 km/h | — |
| 1990-09-22 06:00 | 8.2°S 67.8°E | TD | 35 mph / 55 km/h | — |
| 1990-09-22 12:00 | 8.5°S 66.9°E | TD | 35 mph / 55 km/h | — |
| 1990-09-22 18:00 | 8.7°S 66.1°E | TD | 35 mph / 55 km/h | — |
| 1990-09-23 00:00 | 8.8°S 65.4°E | TD | 35 mph / 55 km/h | — |
| 1990-09-23 06:00 | 8.7°S 64.6°E | TD | 35 mph / 55 km/h | — |
| 1990-09-23 12:00 | 8.5°S 63.9°E | TD | 35 mph / 55 km/h | — |
| 1990-09-23 18:00 | 8.4°S 62.9°E | TD | 35 mph / 55 km/h | — |
| 1990-09-24 00:00 | 8.6°S 61.9°E | TD | 35 mph / 55 km/h | — |
| 1990-09-24 06:00 | 8.7°S 61.0°E | TD | 35 mph / 55 km/h | — |
| 1990-09-24 12:00 | 8.7°S 60.2°E | TD | 35 mph / 55 km/h | — |
| 1990-09-24 18:00 | 8.7°S 59.4°E | TD | 35 mph / 55 km/h | — |
| 1990-09-25 00:00 | 8.7°S 58.7°E | TD | 35 mph / 55 km/h | — |
| 1990-09-25 06:00 | 8.7°S 57.9°E | TD | 35 mph / 55 km/h | — |
| 1990-09-25 12:00 | 8.7°S 57.2°E | TD | 30 mph / 45 km/h | — |
Tropical Depression 1S 1990 FAQ
Did Tropical Depression 1S 1990 make landfall?
No. The best track does not record a landfall for 1S; it stayed over water.
How strong did 1S get in 1990?
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 Sep 19 1990 and last tracked on Sep 25 1990, about 6 days in all.