Tropical Storm Heidi (1971)
Sep 11, 12:00 PM UTC – Sep 15, 12:00 AM UTC (3.5 days)
- Peak
- Tropical Storm
- Max sustained wind
- 60 mph (50 kt)
- Lowest pressure
- 995 mb
- Landfalls
- 1
Track
- Hurricane
- Tropical Storm
- Tropical Depression
- Other
- Large white-ringed dots: landfall
Landfalls
- Sep 14, 7:00 PM UTC · 44.3°N 68.7°W · Tropical Storm · 45 mph
Every track point (16)
| UTC | Status | Position | Wind kt | mb | Note |
|---|---|---|---|---|---|
| 1971-09-11 12:00 | TD | 27.5°N 72.8°W | 30 | — | |
| 1971-09-11 18:00 | TS | 27.9°N 73.3°W | 35 | — | |
| 1971-09-12 00:00 | TS | 28.6°N 73.8°W | 35 | 1006 | |
| 1971-09-12 06:00 | TS | 29.2°N 74.0°W | 40 | — | |
| 1971-09-12 12:00 | TS | 30.0°N 73.9°W | 40 | 1001 | |
| 1971-09-12 18:00 | TS | 30.8°N 73.5°W | 45 | 998 | |
| 1971-09-13 00:00 | TS | 31.7°N 72.8°W | 45 | — | |
| 1971-09-13 06:00 | TS | 32.6°N 72.1°W | 45 | — | |
| 1971-09-13 12:00 | TS | 33.6°N 71.4°W | 45 | 998 | |
| 1971-09-13 18:00 | TS | 35.2°N 70.6°W | 50 | 996 | |
| 1971-09-14 00:00 | TS | 37.1°N 69.9°W | 50 | 995 | |
| 1971-09-14 06:00 | TS | 39.4°N 69.3°W | 50 | — | |
| 1971-09-14 12:00 | TS | 41.6°N 68.8°W | 45 | — | |
| 1971-09-14 18:00 | TS | 43.7°N 68.7°W | 40 | — | |
| 1971-09-14 19:00 | TS | 44.3°N 68.7°W | 40 | — | Landfall |
| 1971-09-15 00:00 | EX | 45.5°N 69.0°W | 25 | 999 |
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.