Typhoon TracksGreta:Olivia (1978, North Atlantic)
Lowest pressure947 hPa
This is an archive, not a forecast or warning. For current storms follow your national meteorological service.
Peak wind115 kt (59 m/s)1-min
Duration6.2 days1978-09-13 – 1978-09-20
Strength rank in 19782 / 12by peak wind
All-time rank115 / 9861950–2025
Peak wind over time (kt)
Central pressure over time (hPa)
Compared with other 1978 storms (peak wind)
120 kt
115 kt
85 kt
80 kt
70 kt
55 kt
50 kt
6-hourly track (UTC)
| Time | Lat | Lon | Wind kt | hPa |
|---|---|---|---|---|
| 1978-09-13 18:00 | 11.0 | -62.5 | 25 | – |
| 1978-09-14 00:00 | 11.5 | -64.5 | 25 | – |
| 1978-09-14 06:00 | 12.0 | -66.0 | 30 | – |
| 1978-09-14 12:00 | 12.5 | -67.5 | 35 | – |
| 1978-09-14 18:00 | 13.0 | -69.0 | 35 | 1,004 |
| 1978-09-15 00:00 | 13.3 | -70.4 | 40 | – |
| 1978-09-15 06:00 | 13.4 | -71.7 | 40 | – |
| 1978-09-15 12:00 | 13.5 | -73.1 | 45 | – |
| 1978-09-15 18:00 | 13.7 | -74.2 | 50 | 1,000 |
| 1978-09-16 00:00 | 13.8 | -75.3 | 55 | 995 |
| 1978-09-16 06:00 | 13.8 | -76.7 | 60 | 992 |
| 1978-09-16 12:00 | 14.0 | -77.7 | 70 | 989 |
| 1978-09-16 18:00 | 14.3 | -78.7 | 75 | 986 |
| 1978-09-17 00:00 | 14.6 | -79.6 | 80 | 982 |
| 1978-09-17 06:00 | 14.9 | -80.5 | 85 | 978 |
| 1978-09-17 12:00 | 15.2 | -81.6 | 90 | 974 |
| 1978-09-17 18:00 | 15.5 | -82.6 | 95 | 968 |
| 1978-09-18 00:00 | 15.6 | -83.4 | 110 | 952 |
| 1978-09-18 06:00 | 15.8 | -84.3 | 115 | 947 |
| 1978-09-18 12:00 | 16.4 | -85.6 | 105 | 957 |
| 1978-09-18 18:00 | 16.6 | -86.9 | 100 | 964 |
| 1978-09-19 00:00 | 17.0 | -88.2 | 95 | 964 |
| 1978-09-19 06:00 | 17.0 | -89.4 | 50 | – |
| 1978-09-19 12:00 | 16.7 | -90.7 | 30 | – |
| 1978-09-19 18:00 | 16.0 | -92.0 | 30 | – |
| 1978-09-20 00:00 | 15.9 | -93.0 | 30 | – |
Winds are NHC 1-minute sustained winds (not directly comparable with 10-minute typhoon winds).