Hurricane Greta/Olivia
● Data reliability: ReliableWeather satellites monitored it throughout, so its track and intensity are relatively accurate (Atlantic and E. Pacific since 1966, other basins since 1980).
Greta/Olivia at 1978-09-14 02:00:00 (BeijingTime) 在North Atlantic首次被记录, peak intensity 为Cat 4 Hurricane, max wind 约 59.2 m/s (1 分钟平均) , minimum central pressure 947 hPa, at 1978-09-23 08:00:00前后结束, total 记录 38 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1978-09-14 02:00 | 11.0°N, 62.5°W | Tropical Depression | 12.9 | - |
| 1978-09-14 14:00 | 12.0°N, 66.0°W | Tropical Depression | 15.4 | - |
| 1978-09-15 02:00 | 13.0°N, 69.0°W | Tropical Storm | 18 | 1004 |
| 1978-09-15 14:00 | 13.4°N, 71.7°W | Tropical Storm | 20.6 | - |
| 1978-09-16 02:00 | 13.7°N, 74.2°W | Tropical Storm | 25.7 | 1000 |
| 1978-09-16 14:00 | 13.8°N, 76.7°W | Tropical Storm | 30.9 | 992 |
| 1978-09-17 02:00 | 14.3°N, 78.7°W | Cat 1 Hurricane | 38.6 | 986 |
| 1978-09-17 14:00 | 14.9°N, 80.5°W | Cat 2 Hurricane | 43.7 | 978 |
| 1978-09-18 02:00 | 15.5°N, 82.6°W | Cat 2 Hurricane | 48.9 | 968 |
| 1978-09-18 14:00 | 15.8°N, 84.3°W | Cat 4 Hurricane | 59.2 | 947 |
| 1978-09-19 02:00 | 16.6°N, 86.9°W | Cat 3 Hurricane | 51.4 | 964 |
| 1978-09-19 14:00 | 17.0°N, 89.4°W | Tropical Storm | 25.7 | - |
| 1978-09-20 02:00 | 16.0°N, 92.0°W | Tropical Depression | 15.4 | - |
| 1978-09-20 14:00 | 15.0°N, 94.0°W | Tropical Storm | 18 | - |
| 1978-09-21 02:00 | 14.9°N, 95.2°W | Tropical Storm | 28.3 | - |
| 1978-09-21 14:00 | 14.7°N, 95.1°W | Tropical Storm | 28.3 | - |
| 1978-09-22 02:00 | 13.9°N, 95.0°W | Tropical Storm | 30.9 | - |
| 1978-09-22 14:00 | 14.1°N, 95.0°W | Cat 1 Hurricane | 33.4 | - |
| 1978-09-23 02:00 | 15.9°N, 94.3°W | Tropical Storm | 25.7 | - |
| 1978-09-23 08:00 | 16.5°N, 94.0°W | Tropical Depression | 15.4 | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1978257N11298 / AL161978. This region has no official Chinese name, so the original English name is used. Intensity categories follow the classifications of the local agency in the relevant basin, converted from 1-minute sustained winds using WMO factors, and are for reference only. Data notes · Incorrect translation?
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