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Best track · IBTrACS
ArchivedPeak tropical storm
Tropical Storm 4S (1990)
Track & history
Peak wind
65 mph / 100 km/h
Min pressure
997 mb
Dates
–
Landfall
None
Storm history
This system formed in the Southern Hemisphere in November 1990 and peaked as a tropical storm with maximum sustained winds of 65 mph (100 km/h) and a minimum pressure of 997 mb. It did not make landfall. The system was tracked for 8 days.
Track data
Download CSV| Time UTC | Position | Strength | Wind | Pressure |
|---|---|---|---|---|
| 1990-11-29 18:00 | 8.0°S 78.0°E | TD | 15 mph / 30 km/h | — |
| 1990-11-30 00:00 | 8.4°S 76.9°E | TD | 25 mph / 35 km/h | — |
| 1990-11-30 06:00 | 9.0°S 76.3°E | TD | 30 mph / 45 km/h | 1004 mb |
| 1990-11-30 12:00 | 9.5°S 76.2°E | TD | 30 mph / 45 km/h | 1004 mb |
| 1990-11-30 18:00 | 9.7°S 76.3°E | TD | 30 mph / 45 km/h | 1004 mb |
| 1990-12-01 00:00 | 10.0°S 76.4°E | TD | 30 mph / 45 km/h | 1002 mb |
| 1990-12-01 06:00 | 10.4°S 76.3°E | TD | 30 mph / 45 km/h | 1002 mb |
| 1990-12-01 12:00 | 10.7°S 76.0°E | TD | 30 mph / 45 km/h | 1002 mb |
Show all 31 points
| 1990-12-01 18:00 | 11.2°S 75.7°E | TD | 30 mph / 45 km/h | 1000 mb |
| 1990-12-02 00:00 | 11.7°S 75.6°E | TD | 30 mph / 45 km/h | 1000 mb |
| 1990-12-02 06:00 | 12.3°S 76.0°E | TD | 30 mph / 45 km/h | 997 mb |
| 1990-12-02 12:00 | 12.9°S 76.6°E | TD | 30 mph / 45 km/h | 997 mb |
| 1990-12-02 18:00 | 13.6°S 77.4°E | TD | 35 mph / 55 km/h | 997 mb |
| 1990-12-03 00:00 | 14.3°S 78.4°E | TS | 60 mph / 95 km/h | 997 mb |
| 1990-12-03 06:00 | 14.9°S 79.5°E | TS | 65 mph / 100 km/h | 997 mb |
| 1990-12-03 12:00 | 15.6°S 80.2°E | TS | 65 mph / 100 km/h | — |
| 1990-12-03 18:00 | 16.0°S 80.6°E | TS | 50 mph / 85 km/h | — |
| 1990-12-04 00:00 | 16.5°S 80.9°E | TS | 40 mph / 65 km/h | — |
| 1990-12-04 06:00 | 17.1°S 81.4°E | TD | 35 mph / 55 km/h | — |
| 1990-12-04 12:00 | 17.9°S 81.6°E | — | — | — |
| 1990-12-04 18:00 | 18.4°S 81.9°E | — | — | — |
| 1990-12-05 00:00 | 18.9°S 82.2°E | — | — | — |
| 1990-12-05 06:00 | 19.3°S 82.6°E | — | — | — |
| 1990-12-05 12:00 | 19.9°S 82.9°E | — | — | — |
| 1990-12-05 18:00 | 20.7°S 83.0°E | — | — | — |
| 1990-12-06 00:00 | 21.7°S 83.0°E | — | — | — |
| 1990-12-06 06:00 | 22.8°S 83.2°E | — | — | — |
| 1990-12-06 12:00 | 23.7°S 82.7°E | — | — | — |
| 1990-12-06 18:00 | 24.3°S 81.7°E | — | — | — |
| 1990-12-07 00:00 | 24.7°S 80.7°E | — | — | — |
| 1990-12-07 06:00 | 25.1°S 79.6°E | — | — | — |
Tropical Storm 4S 1990 FAQ
Did Tropical Storm 4S 1990 make landfall?
No. The best track does not record a landfall for 4S; it stayed over water.
How strong did 4S get in 1990?
4S peaked as a tropical storm with maximum sustained winds of 65 mph (100 km/h) and a minimum central pressure of 997 mb.
When did 4S form and dissipate?
4S was first tracked on Nov 29 1990 and last tracked on Dec 7 1990, about 8 days in all.