Typhoon TracksHeidi (1971, North Atlantic)
Lowest pressure995 hPa
This is an archive, not a forecast or warning. For current storms follow your national meteorological service.
Peak wind50 kt (26 m/s)1-min
Duration4.0 days1971-09-11 – 1971-09-15
Strength rank in 197112 / 14by peak wind
All-time rank697 / 9861950–2025
Peak wind over time (kt)
Central pressure over time (hPa)
Compared with other 1971 storms (peak wind)
60 kt
60 kt
60 kt
50 kt
50 kt
50 kt
45 kt
40 kt
6-hourly track (UTC)
| Time | Lat | Lon | Wind kt | hPa |
|---|---|---|---|---|
| 1971-09-11 00:00 | 27.1 | -72.0 | 30 | – |
| 1971-09-11 06:00 | 27.2 | -72.3 | 30 | – |
| 1971-09-11 12:00 | 27.5 | -72.8 | 30 | – |
| 1971-09-11 18:00 | 27.9 | -73.3 | 35 | – |
| 1971-09-12 00:00 | 28.6 | -73.8 | 35 | 1,006 |
| 1971-09-12 06:00 | 29.2 | -74.0 | 40 | 1,004 |
| 1971-09-12 12:00 | 30.0 | -73.9 | 40 | 1,001 |
| 1971-09-12 18:00 | 30.8 | -73.5 | 45 | 998 |
| 1971-09-13 00:00 | 31.7 | -72.8 | 45 | – |
| 1971-09-13 06:00 | 32.7 | -72.1 | 45 | – |
| 1971-09-13 12:00 | 33.7 | -71.4 | 45 | 998 |
| 1971-09-13 18:00 | 35.3 | -70.5 | 50 | 996 |
| 1971-09-14 00:00 | 37.1 | -69.9 | 50 | 995 |
| 1971-09-14 06:00 | 39.4 | -69.3 | 50 | – |
| 1971-09-14 12:00 | 41.6 | -68.8 | 45 | – |
| 1971-09-14 18:00 | 43.7 | -68.7 | 40 | – |
| 1971-09-15 00:00 | 45.5 | -69.0 | 25 | 999 |
Winds are NHC 1-minute sustained winds (not directly comparable with 10-minute typhoon winds).