Tammy

Dissipated

Local time · Active from 18 Oct 2023 15:00 GMT-3 to 31 Oct 2023 15:00 GMT-3

Previous Storm:

Harold

Next Storm:

Irene

Peak Category

Tropical Depression

Minimum Pressure

965 hPa

Maximum Wind Speed

173 km/h

Region

West Pacific

Key Events

Formation

18 Oct 2023 15:00 GMT-3

12.9°N, -51.0°E

Dissipation

31 Oct 2023 15:00 GMT-3

24.6°N, -50.6°E

Storm Timeline

18 Oct 2023 18:00 (18 Oct 2023 15:00 GMT-3)

Tammy at 12.9°N, 51.0°W as Tropical Storm with winds of 65 km/h

18 Oct 2023 21:00 (18 Oct 2023 18:00 GMT-3)

Tammy at 12.9°N, 51.7°W as Tropical Storm with winds of 65 km/h

19 Oct 2023 00:00 (18 Oct 2023 20:00 GMT-4)

Tammy at 13.0°N, 52.5°W as Tropical Storm with winds of 65 km/h

19 Oct 2023 03:00 (18 Oct 2023 23:00 GMT-4)

Tammy at 13.1°N, 53.3°W as Tropical Storm with winds of 72 km/h

19 Oct 2023 06:00 (19 Oct 2023 02:00 GMT-4)

Tammy at 13.2°N, 54.0°W as Tropical Storm with winds of 83 km/h

19 Oct 2023 09:00 (19 Oct 2023 05:00 GMT-4)

Tammy at 13.3°N, 54.7°W as Tropical Storm with winds of 86 km/h

19 Oct 2023 12:00 (19 Oct 2023 08:00 GMT-4)

Tammy at 13.4°N, 55.3°W as Tropical Storm with winds of 90 km/h

19 Oct 2023 15:00 (19 Oct 2023 11:00 GMT-4)

Tammy at 13.5°N, 55.9°W as Tropical Storm with winds of 90 km/h

19 Oct 2023 18:00 (19 Oct 2023 14:00 AST)

Tammy at 13.5°N, 56.4°W as Tropical Storm with winds of 90 km/h

19 Oct 2023 21:00 (19 Oct 2023 17:00 AST)

Tammy at 13.5°N, 56.8°W as Tropical Storm with winds of 90 km/h

20 Oct 2023 00:00 (19 Oct 2023 20:00 AST)

Tammy at 13.6°N, 57.2°W as Tropical Storm with winds of 90 km/h

20 Oct 2023 03:00 (19 Oct 2023 23:00 AST)

Tammy at 13.6°N, 57.6°W as Tropical Storm with winds of 90 km/h

20 Oct 2023 06:00 (20 Oct 2023 02:00 AST)

Tammy at 13.7°N, 57.9°W as Tropical Storm with winds of 90 km/h

20 Oct 2023 09:00 (20 Oct 2023 05:00 AST)

Tammy at 13.8°N, 58.2°W as Tropical Storm with winds of 101 km/h

20 Oct 2023 12:00 (20 Oct 2023 08:00 AST)

Tammy at 13.9°N, 58.4°W as Tropical Storm with winds of 108 km/h

20 Oct 2023 15:00 (20 Oct 2023 11:00 AST)

Tammy at 14.0°N, 58.6°W as Tropical Storm with winds of 115 km/h

20 Oct 2023 18:00 (20 Oct 2023 14:00 AST)

Tammy at 14.1°N, 58.9°W as Category 1 with winds of 119 km/h

20 Oct 2023 21:00 (20 Oct 2023 17:00 AST)

Tammy at 14.3°N, 59.2°W as Category 1 with winds of 126 km/h

21 Oct 2023 00:00 (20 Oct 2023 20:00 AST)

Tammy at 14.5°N, 59.6°W as Category 1 with winds of 130 km/h

21 Oct 2023 03:00 (20 Oct 2023 23:00 AST)

Tammy at 14.7°N, 60.0°W as Category 1 with winds of 130 km/h

21 Oct 2023 06:00 (21 Oct 2023 02:00 AST)

Tammy at 14.9°N, 60.3°W as Category 1 with winds of 130 km/h

21 Oct 2023 09:00 (21 Oct 2023 05:00 AST)

Tammy at 15.2°N, 60.5°W as Category 1 with winds of 133 km/h

21 Oct 2023 12:00 (21 Oct 2023 08:00 AST)

Tammy at 15.6°N, 60.6°W as Category 1 with winds of 137 km/h

21 Oct 2023 15:00 (21 Oct 2023 11:00 AST)

Tammy at 16.1°N, 60.8°W as Category 1 with winds of 137 km/h

21 Oct 2023 18:00 (21 Oct 2023 14:00 AST)

Tammy at 16.6°N, 61.0°W as Category 1 with winds of 137 km/h

21 Oct 2023 21:00 (21 Oct 2023 17:00 AST)

Tammy at 17.1°N, 61.4°W as Category 1 with winds of 144 km/h

22 Oct 2023 00:00 (21 Oct 2023 20:00 AST)

Tammy at 17.5°N, 61.7°W as Category 1 with winds of 148 km/h

22 Oct 2023 01:15 (21 Oct 2023 21:15 AST)

Tammy at 17.6°N, 61.8°W as Category 1 with winds of 148 km/h

22 Oct 2023 03:00 (21 Oct 2023 23:00 AST)

Tammy at 17.7°N, 61.9°W as Category 1 with winds of 144 km/h

22 Oct 2023 06:00 (22 Oct 2023 02:00 AST)

Tammy at 18.0°N, 62.2°W as Category 1 with winds of 137 km/h

22 Oct 2023 09:00 (22 Oct 2023 05:00 AST)

Tammy at 18.3°N, 62.5°W as Category 1 with winds of 137 km/h

22 Oct 2023 12:00 (22 Oct 2023 08:00 AST)

Tammy at 18.7°N, 62.8°W as Category 1 with winds of 137 km/h

22 Oct 2023 15:00 (22 Oct 2023 11:00 AST)

Tammy at 19.0°N, 63.1°W as Category 1 with winds of 137 km/h

22 Oct 2023 18:00 (22 Oct 2023 14:00 AST)

Tammy at 19.4°N, 63.4°W as Category 1 with winds of 137 km/h

22 Oct 2023 21:00 (22 Oct 2023 17:00 AST)

Tammy at 19.8°N, 63.7°W as Category 1 with winds of 137 km/h

23 Oct 2023 00:00 (22 Oct 2023 20:00 AST)

Tammy at 20.2°N, 63.9°W as Category 1 with winds of 137 km/h

23 Oct 2023 03:00 (22 Oct 2023 23:00 AST)

Tammy at 20.6°N, 64.0°W as Category 1 with winds of 133 km/h

23 Oct 2023 06:00 (23 Oct 2023 02:00 AST)

Tammy at 21.0°N, 64.0°W as Category 1 with winds of 130 km/h

23 Oct 2023 09:00 (23 Oct 2023 05:00 AST)

Tammy at 21.3°N, 64.0°W as Category 1 with winds of 130 km/h

23 Oct 2023 12:00 (23 Oct 2023 08:00 AST)

Tammy at 21.6°N, 64.0°W as Category 1 with winds of 130 km/h

23 Oct 2023 15:00 (23 Oct 2023 11:00 AST)

Tammy at 21.9°N, 63.9°W as Category 1 with winds of 126 km/h

23 Oct 2023 18:00 (23 Oct 2023 14:00 AST)

Tammy at 22.1°N, 63.8°W as Category 1 with winds of 119 km/h

23 Oct 2023 21:00 (23 Oct 2023 17:00 AST)

Tammy at 22.3°N, 63.7°W as Category 1 with winds of 119 km/h

24 Oct 2023 00:00 (23 Oct 2023 20:00 GMT-4)

Tammy at 22.6°N, 63.5°W as Category 1 with winds of 119 km/h

24 Oct 2023 03:00 (23 Oct 2023 23:00 GMT-4)

Tammy at 22.8°N, 63.3°W as Category 1 with winds of 119 km/h

24 Oct 2023 06:00 (24 Oct 2023 02:00 GMT-4)

Tammy at 23.1°N, 63.1°W as Category 1 with winds of 119 km/h

24 Oct 2023 09:00 (24 Oct 2023 05:00 GMT-4)

Tammy at 23.4°N, 62.9°W as Category 1 with winds of 119 km/h

24 Oct 2023 12:00 (24 Oct 2023 08:00 GMT-4)

Tammy at 23.6°N, 62.6°W as Category 1 with winds of 119 km/h

24 Oct 2023 15:00 (24 Oct 2023 11:00 GMT-4)

Tammy at 23.8°N, 62.3°W as Category 1 with winds of 119 km/h

24 Oct 2023 18:00 (24 Oct 2023 14:00 GMT-4)

Tammy at 24.0°N, 62.0°W as Category 1 with winds of 119 km/h

24 Oct 2023 21:00 (24 Oct 2023 17:00 GMT-4)

Tammy at 24.2°N, 61.6°W as Category 1 with winds of 130 km/h

25 Oct 2023 00:00 (24 Oct 2023 20:00 GMT-4)

Tammy at 24.5°N, 61.2°W as Category 1 with winds of 137 km/h

25 Oct 2023 03:00 (24 Oct 2023 23:00 GMT-4)

Tammy at 24.8°N, 60.8°W as Category 1 with winds of 148 km/h

25 Oct 2023 06:00 (25 Oct 2023 02:00 GMT-4)

Tammy at 25.1°N, 60.4°W as Category 2 with winds of 155 km/h

25 Oct 2023 09:00 (25 Oct 2023 05:00 GMT-4)

Tammy at 25.5°N, 59.9°W as Category 2 with winds of 166 km/h

25 Oct 2023 12:00 (25 Oct 2023 08:00 GMT-4)

Tammy at 26.1°N, 59.4°W as Category 2 with winds of 173 km/h

25 Oct 2023 15:00 (25 Oct 2023 11:00 GMT-4)

Tammy at 26.8°N, 58.8°W as Category 2 with winds of 166 km/h

25 Oct 2023 18:00 (25 Oct 2023 14:00 GMT-4)

Tammy at 27.5°N, 58.3°W as Category 2 with winds of 155 km/h

25 Oct 2023 21:00 (25 Oct 2023 17:00 GMT-4)

Tammy at 28.3°N, 57.9°W as Category 2 with winds of 151 km/h

26 Oct 2023 00:00 (25 Oct 2023 20:00 GMT-4)

Tammy at 29.1°N, 57.8°W as Category 1 with winds of 148 km/h

26 Oct 2023 03:00 (25 Oct 2023 23:00 GMT-4)

Tammy at 29.6°N, 58.0°W as Category 1 with winds of 144 km/h

26 Oct 2023 06:00 (26 Oct 2023 02:00 GMT-4)

Tammy at 30.0°N, 58.3°W as Category 1 with winds of 137 km/h

26 Oct 2023 09:00 (26 Oct 2023 05:00 GMT-4)

Tammy at 30.3°N, 58.5°W as Category 1 with winds of 133 km/h

26 Oct 2023 12:00 (26 Oct 2023 08:00 GMT-4)

Tammy at 30.5°N, 58.8°W as Category 1 with winds of 130 km/h

26 Oct 2023 15:00 (26 Oct 2023 11:00 GMT-4)

Tammy at 30.8°N, 59.1°W as Category 1 with winds of 126 km/h

26 Oct 2023 18:00 (26 Oct 2023 14:00 GMT-4)

Tammy at 31.0°N, 59.5°W as Category 1 with winds of 119 km/h

26 Oct 2023 21:00 (26 Oct 2023 17:00 GMT-4)

Tammy at 31.3°N, 59.8°W as Tropical Storm with winds of 115 km/h

27 Oct 2023 00:00 (26 Oct 2023 21:00 ADT)

Tammy at 31.5°N, 60.1°W as Tropical Storm with winds of 108 km/h

27 Oct 2023 03:00 (27 Oct 2023 00:00 ADT)

Tammy at 31.7°N, 60.4°W as Tropical Storm with winds of 104 km/h

27 Oct 2023 06:00 (27 Oct 2023 03:00 ADT)

Tammy at 31.8°N, 60.6°W as Tropical Storm with winds of 101 km/h

27 Oct 2023 09:00 (27 Oct 2023 06:00 ADT)

Tammy at 31.9°N, 60.8°W as Tropical Storm with winds of 101 km/h

27 Oct 2023 12:00 (27 Oct 2023 09:00 ADT)

Tammy at 32.0°N, 61.0°W as Tropical Storm with winds of 101 km/h

27 Oct 2023 15:00 (27 Oct 2023 12:00 ADT)

Tammy at 32.1°N, 61.2°W as Tropical Storm with winds of 101 km/h

27 Oct 2023 18:00 (27 Oct 2023 15:00 ADT)

Tammy at 32.3°N, 61.4°W as Tropical Storm with winds of 101 km/h

27 Oct 2023 21:00 (27 Oct 2023 18:00 ADT)

Tammy at 32.4°N, 61.5°W as Tropical Storm with winds of 97 km/h

28 Oct 2023 00:00 (27 Oct 2023 21:00 ADT)

Tammy at 32.6°N, 61.5°W as Tropical Storm with winds of 90 km/h

28 Oct 2023 03:00 (28 Oct 2023 00:00 ADT)

Tammy at 32.8°N, 61.4°W as Tropical Storm with winds of 86 km/h

28 Oct 2023 06:00 (28 Oct 2023 03:00 ADT)

Tammy at 32.9°N, 61.0°W as Tropical Storm with winds of 83 km/h

28 Oct 2023 09:00 (28 Oct 2023 06:00 ADT)

Tammy at 33.0°N, 60.3°W as Tropical Storm with winds of 83 km/h

28 Oct 2023 12:00 (28 Oct 2023 08:00 GMT-4)

Tammy at 33.1°N, 59.5°W as Tropical Storm with winds of 83 km/h

28 Oct 2023 15:00 (28 Oct 2023 11:00 GMT-4)

Tammy at 33.3°N, 58.8°W as Tropical Storm with winds of 79 km/h

28 Oct 2023 18:00 (28 Oct 2023 14:00 GMT-4)

Tammy at 33.3°N, 58.0°W as Tropical Storm with winds of 72 km/h

28 Oct 2023 21:00 (28 Oct 2023 17:00 GMT-4)

Tammy at 33.1°N, 57.1°W as Tropical Storm with winds of 68 km/h

29 Oct 2023 00:00 (28 Oct 2023 20:00 GMT-4)

Tammy at 32.8°N, 56.1°W as Tropical Storm with winds of 65 km/h

29 Oct 2023 03:00 (28 Oct 2023 23:00 GMT-4)

Tammy at 32.7°N, 55.2°W as Tropical Storm with winds of 65 km/h

29 Oct 2023 06:00 (29 Oct 2023 02:00 GMT-4)

Tammy at 32.6°N, 54.3°W as Tropical Storm with winds of 65 km/h

29 Oct 2023 09:00 (29 Oct 2023 05:00 GMT-4)

Tammy at 32.3°N, 53.4°W as Tropical Storm with winds of 65 km/h

29 Oct 2023 12:00 (29 Oct 2023 08:00 GMT-4)

Tammy at 31.8°N, 52.5°W as Tropical Storm with winds of 65 km/h

29 Oct 2023 15:00 (29 Oct 2023 12:00 GMT-3)

Tammy at 31.4°N, 51.7°W as Tropical Storm with winds of 65 km/h

29 Oct 2023 18:00 (29 Oct 2023 15:00 GMT-3)

Tammy at 30.9°N, 50.9°W as Tropical Storm with winds of 65 km/h

29 Oct 2023 21:00 (29 Oct 2023 18:00 GMT-3)

Tammy at 30.3°N, 50.2°W as Tropical Depression with winds of 61 km/h

30 Oct 2023 00:00 (29 Oct 2023 21:00 GMT-3)

Tammy at 29.6°N, 49.6°W as Tropical Depression with winds of 54 km/h

30 Oct 2023 03:00 (30 Oct 2023 00:00 GMT-3)

Tammy at 29.0°N, 49.2°W as Tropical Depression with winds of 54 km/h

30 Oct 2023 06:00 (30 Oct 2023 03:00 GMT-3)

Tammy at 28.5°N, 49.0°W as Tropical Depression with winds of 54 km/h

30 Oct 2023 09:00 (30 Oct 2023 06:00 GMT-3)

Tammy at 28.0°N, 48.7°W as Tropical Depression with winds of 54 km/h

30 Oct 2023 12:00 (30 Oct 2023 09:00 GMT-3)

Tammy at 27.5°N, 48.5°W as Tropical Depression with winds of 54 km/h

30 Oct 2023 15:00 (30 Oct 2023 12:00 GMT-3)

Tammy at 27.0°N, 48.2°W as Tropical Depression with winds of 50 km/h

30 Oct 2023 18:00 (30 Oct 2023 15:00 GMT-3)

Tammy at 26.5°N, 48.1°W as Tropical Depression with winds of 43 km/h

30 Oct 2023 21:00 (30 Oct 2023 18:00 GMT-3)

Tammy at 26.0°N, 48.2°W as Tropical Depression with winds of 43 km/h

31 Oct 2023 00:00 (30 Oct 2023 21:00 GMT-3)

Tammy at 25.6°N, 48.5°W as Tropical Depression with winds of 43 km/h

31 Oct 2023 03:00 (31 Oct 2023 00:00 GMT-3)

Tammy at 25.3°N, 48.7°W as Tropical Depression with winds of 43 km/h

31 Oct 2023 06:00 (31 Oct 2023 03:00 GMT-3)

Tammy at 25.1°N, 49.0°W as Tropical Depression with winds of 43 km/h

31 Oct 2023 09:00 (31 Oct 2023 06:00 GMT-3)

Tammy at 25.0°N, 49.4°W as Tropical Depression with winds of 40 km/h

31 Oct 2023 12:00 (31 Oct 2023 09:00 GMT-3)

Tammy at 24.9°N, 49.9°W as Tropical Depression with winds of 36 km/h

31 Oct 2023 15:00 (31 Oct 2023 12:00 GMT-3)

Tammy at 24.8°N, 50.3°W as Tropical Depression with winds of 36 km/h

31 Oct 2023 18:00 (31 Oct 2023 15:00 GMT-3)

Tammy at 24.6°N, 50.6°W as Tropical Depression with winds of 36 km/h