Hurricane Martha
● 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).
Martha at 1969-11-20 20:00:00 (BeijingTime) 在North Atlantic首次被记录, peak intensity 为Cat 1 Hurricane, max wind 约 41.2 m/s (1 分钟平均) , minimum central pressure 979 hPa, at 1969-11-25 20:00:00前后结束, total 记录 21 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1969-11-20 20:00 | 11.2°N, 79.8°W | Tropical Depression | 12.9 | - |
| 1969-11-21 02:00 | 11.0°N, 79.9°W | Tropical Depression | 15.4 | - |
| 1969-11-21 08:00 | 10.8°N, 80.0°W | Tropical Storm | 18 | 1003 |
| 1969-11-21 14:00 | 10.6°N, 80.2°W | Tropical Storm | 23.1 | - |
| 1969-11-21 20:00 | 10.5°N, 80.5°W | Tropical Storm | 28.3 | - |
| 1969-11-22 02:00 | 10.4°N, 80.8°W | Cat 1 Hurricane | 33.4 | - |
| 1969-11-22 08:00 | 10.3°N, 81.0°W | Cat 1 Hurricane | 38.6 | - |
| 1969-11-22 14:00 | 10.3°N, 81.0°W | Cat 1 Hurricane | 41.2 | - |
| 1969-11-22 20:00 | 10.3°N, 81.0°W | Cat 1 Hurricane | 41.2 | 979 |
| 1969-11-23 02:00 | 10.2°N, 81.0°W | Cat 1 Hurricane | 38.6 | 982 |
| 1969-11-23 08:00 | 10.1°N, 81.0°W | Cat 1 Hurricane | 36 | 986 |
| 1969-11-23 14:00 | 10.0°N, 81.0°W | Tropical Storm | 28.3 | 993 |
| 1969-11-23 20:00 | 9.9°N, 81.0°W | Tropical Storm | 23.1 | 999 |
| 1969-11-24 02:00 | 9.7°N, 81.0°W | Tropical Storm | 23.1 | 1000 |
| 1969-11-24 08:00 | 9.4°N, 81.0°W | Tropical Storm | 23.1 | 999 |
| 1969-11-24 14:00 | 9.2°N, 81.0°W | Tropical Storm | 23.1 | 1000 |
| 1969-11-24 20:00 | 9.0°N, 81.0°W | Tropical Storm | 23.1 | 1000 |
| 1969-11-25 02:00 | 8.8°N, 81.1°W | Tropical Storm | 20.6 | - |
| 1969-11-25 08:00 | 8.7°N, 81.3°W | Tropical Depression | 15.4 | - |
| 1969-11-25 14:00 | 8.6°N, 81.6°W | Tropical Depression | 15.4 | - |
| 1969-11-25 20:00 | 8.5°N, 82.0°W | Tropical Depression | 12.9 | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1969325N11280 / AL291969. There is no official Chinese name for this basin; the original English name is displayed. Intensity categories follow the local agency's classification for the basin (converted from 1-minute sustained winds using WMO coefficients) and are for reference only. Data notes · Incorrect translation?
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