Unnamed Hurricane, AL04 1947
Sep 4, 6:00 AM UTC – Sep 21, 12:00 PM UTC (17.3 days)
- Peak
- Hurricane, Category 4
- Max sustained wind
- 145 mph (125 kt)
- Lowest pressure
- 938 mb
- Landfalls
- 3
Track
- Hurricane
- Tropical Storm
- Tropical Depression
- Other
- Large white-ringed dots: landfall
Landfalls
- Sep 16, 7:00 PM UTC · 26.7°N 77.1°W · Hurricane · 120 mph · 954 mb
- Sep 17, 4:30 PM UTC · 26.1°N 80.1°W · Hurricane · 130 mph · 943 mb
- Sep 19, 2:00 PM UTC · 29.6°N 89.5°W · Hurricane · 110 mph · 966 mb
Every track point (73)
| UTC | Status | Position | Wind kt | mb | Note |
|---|---|---|---|---|---|
| 1947-09-04 06:00 | TD | 14.5°N 20.1°W | 30 | — | |
| 1947-09-04 12:00 | TD | 14.3°N 21.5°W | 30 | — | |
| 1947-09-04 18:00 | TD | 14.2°N 22.8°W | 30 | — | |
| 1947-09-05 00:00 | TS | 14.1°N 24.0°W | 35 | — | |
| 1947-09-05 06:00 | TS | 14.0°N 25.0°W | 35 | — | |
| 1947-09-05 12:00 | TS | 14.0°N 26.1°W | 40 | — | |
| 1947-09-05 18:00 | TS | 14.0°N 27.1°W | 40 | — | |
| 1947-09-06 00:00 | TS | 14.1°N 28.2°W | 45 | — | |
| 1947-09-06 06:00 | TS | 14.2°N 29.3°W | 45 | — | |
| 1947-09-06 12:00 | TS | 14.3°N 30.4°W | 50 | — | |
| 1947-09-06 18:00 | TS | 14.3°N 31.5°W | 50 | — | |
| 1947-09-07 00:00 | TS | 14.2°N 32.6°W | 50 | — | |
| 1947-09-07 06:00 | TS | 14.1°N 33.7°W | 50 | — | |
| 1947-09-07 12:00 | TS | 14.0°N 34.8°W | 50 | — | |
| 1947-09-07 18:00 | TS | 13.9°N 36.0°W | 50 | — | |
| 1947-09-08 00:00 | TS | 13.8°N 37.2°W | 50 | — | |
| 1947-09-08 06:00 | TS | 13.7°N 38.5°W | 50 | — | |
| 1947-09-08 12:00 | TS | 13.6°N 39.8°W | 50 | — | |
| 1947-09-08 18:00 | TS | 13.5°N 41.0°W | 50 | — | |
| 1947-09-09 00:00 | TS | 13.4°N 42.0°W | 50 | — | |
| 1947-09-09 06:00 | TS | 13.3°N 42.9°W | 50 | — | |
| 1947-09-09 12:00 | TS | 13.2°N 43.8°W | 50 | — | |
| 1947-09-09 18:00 | TS | 13.2°N 44.8°W | 50 | — | |
| 1947-09-10 00:00 | TS | 13.3°N 45.7°W | 50 | — | |
| 1947-09-10 06:00 | TS | 13.5°N 46.7°W | 50 | — | |
| 1947-09-10 12:00 | TS | 13.8°N 47.6°W | 50 | — | |
| 1947-09-10 18:00 | TS | 14.1°N 48.4°W | 50 | — | |
| 1947-09-11 00:00 | TS | 14.4°N 49.0°W | 50 | — | |
| 1947-09-11 06:00 | TS | 14.8°N 49.8°W | 50 | — | |
| 1947-09-11 12:00 | TS | 15.2°N 51.0°W | 50 | 999 | |
| 1947-09-11 18:00 | TS | 15.7°N 52.5°W | 55 | — | |
| 1947-09-12 00:00 | HU | 16.3°N 54.5°W | 65 | — | |
| 1947-09-12 06:00 | HU | 16.9°N 56.5°W | 75 | — | |
| 1947-09-12 12:00 | HU | 17.6°N 58.4°W | 85 | 977 | |
| 1947-09-12 18:00 | HU | 18.6°N 60.3°W | 90 | — | |
| 1947-09-13 00:00 | HU | 19.6°N 62.2°W | 95 | — | |
| 1947-09-13 06:00 | HU | 20.6°N 64.0°W | 100 | — | |
| 1947-09-13 12:00 | HU | 21.4°N 65.4°W | 105 | — | |
| 1947-09-13 18:00 | HU | 22.0°N 66.4°W | 110 | 952 | |
| 1947-09-14 00:00 | HU | 22.6°N 67.4°W | 115 | — | |
| 1947-09-14 06:00 | HU | 23.2°N 68.4°W | 120 | — | |
| 1947-09-14 12:00 | HU | 23.7°N 69.4°W | 125 | — | |
| 1947-09-14 18:00 | HU | 24.2°N 70.4°W | 125 | 938 | |
| 1947-09-15 00:00 | HU | 24.8°N 71.6°W | 125 | — | |
| 1947-09-15 06:00 | HU | 25.4°N 72.8°W | 125 | — | |
| 1947-09-15 12:00 | HU | 26.0°N 73.7°W | 120 | — | |
| 1947-09-15 18:00 | HU | 26.5°N 74.5°W | 115 | — | |
| 1947-09-16 00:00 | HU | 26.7°N 75.2°W | 110 | 951 | |
| 1947-09-16 06:00 | HU | 26.8°N 75.7°W | 110 | — | |
| 1947-09-16 12:00 | HU | 26.9°N 76.2°W | 105 | 956 | |
| 1947-09-16 18:00 | HU | 26.7°N 76.9°W | 105 | 954 | |
| 1947-09-16 19:00 | HU | 26.7°N 77.1°W | 105 | 954 | Landfall |
| 1947-09-17 00:00 | HU | 26.6°N 77.8°W | 105 | — | |
| 1947-09-17 06:00 | HU | 26.5°N 78.6°W | 110 | — | |
| 1947-09-17 12:00 | HU | 26.3°N 79.5°W | 115 | 943 | |
| 1947-09-17 16:30 | HU | 26.1°N 80.1°W | 115 | 943 | Landfall |
| 1947-09-17 18:00 | HU | 26.1°N 80.4°W | 105 | 951 | |
| 1947-09-18 00:00 | HU | 26.2°N 81.3°W | 90 | — | |
| 1947-09-18 06:00 | HU | 26.5°N 82.3°W | 85 | — | |
| 1947-09-18 12:00 | HU | 26.8°N 83.4°W | 85 | — | |
| 1947-09-18 18:00 | HU | 27.2°N 84.5°W | 90 | — | |
| 1947-09-19 00:00 | HU | 27.7°N 85.7°W | 95 | — | |
| 1947-09-19 06:00 | HU | 28.4°N 87.3°W | 95 | — | |
| 1947-09-19 12:00 | HU | 29.4°N 89.0°W | 95 | 966 | |
| 1947-09-19 14:00 | HU | 29.6°N 89.5°W | 95 | 966 | Landfall |
| 1947-09-19 18:00 | HU | 30.1°N 90.7°W | 80 | 970 | |
| 1947-09-20 00:00 | TS | 30.8°N 92.2°W | 60 | 981 | |
| 1947-09-20 06:00 | TS | 31.6°N 93.7°W | 40 | 987 | |
| 1947-09-20 12:00 | TS | 32.7°N 95.2°W | 35 | 994 | |
| 1947-09-20 18:00 | TD | 33.7°N 95.9°W | 30 | 996 | |
| 1947-09-21 00:00 | TD | 35.0°N 95.0°W | 25 | 997 | |
| 1947-09-21 06:00 | TD | 36.4°N 93.3°W | 20 | 999 | |
| 1947-09-21 12:00 | EX | 38.0°N 91.5°W | 20 | 1000 |
From the National Hurricane Center's best-track archive (HURDAT2), its post-season reanalysis; values can differ from the advisories issued at the time. Source: hurdat2-1851-2025-092326.txt, hurdat2-nepac-1949-2025-092926.txt.