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Best track · IBTrACS
ArchivedPeak category 1
Cyclone Alison (1991)
Track & history
Peak wind
75 mph / 120 km/h
Min pressure
1002 mb
Dates
–
Landfall
None
Storm history
Alison formed in the Southern Hemisphere in January 1991 and peaked as a Category 1 cyclone with maximum sustained winds of 75 mph (120 km/h) and a minimum pressure of 1002 mb. It did not make landfall. The system was tracked for 11 days.
Track data
Download CSV| Time UTC | Position | Strength | Wind | Pressure |
|---|---|---|---|---|
| 1991-01-08 00:00 | 8.8°S 78.4°E | TD | 30 mph / 45 km/h | 1002 mb |
| 1991-01-08 06:00 | 8.8°S 78.9°E | TD | 30 mph / 45 km/h | 1002 mb |
| 1991-01-08 12:00 | 8.8°S 79.4°E | TD | 30 mph / 45 km/h | 1002 mb |
| 1991-01-08 18:00 | 8.8°S 79.9°E | TD | 30 mph / 45 km/h | 1002 mb |
| 1991-01-09 00:00 | 8.9°S 80.3°E | — | — | — |
| 1991-01-09 06:00 | 8.8°S 80.8°E | TD | 15 mph / 30 km/h | — |
| 1991-01-09 12:00 | 8.7°S 81.1°E | TD | 15 mph / 30 km/h | — |
| 1991-01-09 18:00 | 8.7°S 81.4°E | TD | 15 mph / 30 km/h | — |
Show all 43 points
| 1991-01-10 00:00 | 8.7°S 81.8°E | TD | 15 mph / 30 km/h | — |
| 1991-01-10 06:00 | 8.6°S 82.2°E | TD | 15 mph / 30 km/h | — |
| 1991-01-10 12:00 | 8.5°S 82.4°E | TD | 15 mph / 30 km/h | — |
| 1991-01-10 18:00 | 8.5°S 82.4°E | TD | 15 mph / 30 km/h | — |
| 1991-01-11 00:00 | 8.5°S 82.6°E | TD | 25 mph / 35 km/h | — |
| 1991-01-11 06:00 | 8.8°S 82.8°E | TD | 25 mph / 35 km/h | — |
| 1991-01-11 12:00 | 9.0°S 83.1°E | TD | 25 mph / 35 km/h | — |
| 1991-01-11 18:00 | 9.4°S 83.2°E | TD | 25 mph / 35 km/h | — |
| 1991-01-12 00:00 | 9.9°S 83.1°E | TD | 25 mph / 35 km/h | — |
| 1991-01-12 06:00 | 10.3°S 82.9°E | TD | 30 mph / 45 km/h | — |
| 1991-01-12 12:00 | 10.7°S 82.8°E | TD | 30 mph / 45 km/h | — |
| 1991-01-12 18:00 | 11.0°S 82.4°E | TD | 30 mph / 45 km/h | — |
| 1991-01-13 00:00 | 11.3°S 82.0°E | TD | 35 mph / 55 km/h | — |
| 1991-01-13 06:00 | 11.4°S 81.6°E | TD | 35 mph / 55 km/h | — |
| 1991-01-13 12:00 | 11.5°S 81.4°E | TD | 35 mph / 55 km/h | — |
| 1991-01-13 18:00 | 11.6°S 81.3°E | TS | 40 mph / 65 km/h | — |
| 1991-01-14 00:00 | 11.8°S 81.1°E | TS | 50 mph / 85 km/h | — |
| 1991-01-14 06:00 | 12.1°S 80.9°E | TS | 50 mph / 85 km/h | — |
| 1991-01-14 12:00 | 12.5°S 80.9°E | TS | 50 mph / 85 km/h | — |
| 1991-01-14 18:00 | 12.9°S 81.0°E | TS | 65 mph / 100 km/h | — |
| 1991-01-15 00:00 | 13.4°S 81.1°E | C1 | 75 mph / 120 km/h | — |
| 1991-01-15 06:00 | 14.2°S 81.3°E | C1 | 75 mph / 120 km/h | — |
| 1991-01-15 12:00 | 15.2°S 81.6°E | C1 | 75 mph / 120 km/h | — |
| 1991-01-15 18:00 | 16.2°S 81.9°E | C1 | 75 mph / 120 km/h | — |
| 1991-01-16 00:00 | 17.2°S 82.1°E | C1 | 75 mph / 120 km/h | — |
| 1991-01-16 06:00 | 18.4°S 82.3°E | C1 | 75 mph / 120 km/h | — |
| 1991-01-16 12:00 | 19.6°S 82.4°E | TS | 70 mph / 110 km/h | — |
| 1991-01-16 18:00 | 20.8°S 82.6°E | TS | 65 mph / 100 km/h | — |
| 1991-01-17 00:00 | 22.0°S 82.3°E | TS | 60 mph / 95 km/h | — |
| 1991-01-17 06:00 | 23.2°S 82.3°E | TS | 50 mph / 85 km/h | — |
| 1991-01-17 12:00 | 24.3°S 82.3°E | TS | 45 mph / 75 km/h | — |
| 1991-01-17 18:00 | 25.4°S 82.8°E | TS | 40 mph / 65 km/h | — |
| 1991-01-18 00:00 | 26.5°S 84.0°E | TD | 35 mph / 55 km/h | — |
| 1991-01-18 06:00 | 27.4°S 85.6°E | — | — | — |
| 1991-01-18 12:00 | 27.9°S 87.0°E | — | — | — |
Cyclone Alison 1991 FAQ
Did Cyclone Alison 1991 make landfall?
No. The best track does not record a landfall for Alison; it stayed over water.
How strong did Alison get in 1991?
Alison peaked as a Category 1 cyclone with maximum sustained winds of 75 mph (120 km/h) and a minimum central pressure of 1002 mb.
When did Alison form and dissipate?
Alison was first tracked on Jan 8 1991 and last tracked on Jan 18 1991, about 11 days in all.