Unnamed Tropical Storm, AL21 1970
Sep 19, 6:00 PM UTC – Sep 23, 12:00 AM UTC (3.3 days)
- Peak
- Tropical Storm
- Max sustained wind
- 45 mph (40 kt)
- Lowest pressure
- —
- Landfalls
- 0
Track
- Hurricane
- Tropical Storm
- Tropical Depression
- Other
- Large white-ringed dots: landfall
Every track point (14)
| UTC | Status | Position | Wind kt | mb | Note |
|---|---|---|---|---|---|
| 1970-09-19 18:00 | TD | 26.8°N 55.3°W | 25 | — | |
| 1970-09-20 00:00 | TD | 26.9°N 56.1°W | 25 | — | |
| 1970-09-20 06:00 | TD | 27.0°N 57.0°W | 30 | — | |
| 1970-09-20 12:00 | TD | 26.9°N 57.9°W | 30 | — | |
| 1970-09-20 18:00 | TS | 26.7°N 58.5°W | 35 | — | |
| 1970-09-21 00:00 | TS | 26.6°N 58.9°W | 40 | — | |
| 1970-09-21 06:00 | TS | 26.5°N 59.4°W | 40 | — | |
| 1970-09-21 12:00 | TS | 26.5°N 59.8°W | 40 | — | |
| 1970-09-21 18:00 | TS | 26.5°N 60.0°W | 35 | — | |
| 1970-09-22 00:00 | TS | 26.5°N 60.2°W | 35 | — | |
| 1970-09-22 06:00 | TD | 26.5°N 60.4°W | 30 | — | |
| 1970-09-22 12:00 | TD | 26.6°N 60.6°W | 30 | — | |
| 1970-09-22 18:00 | TD | 26.7°N 60.8°W | 25 | — | |
| 1970-09-23 00:00 | TD | 26.9°N 61.0°W | 25 | — |
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.