Tropical Cyclone Tom
● Data reliability: Generally reliable——Aircraft entered typhoons for in situ measurements, but satellites were not yet widespread: tracks are generally accurate, while intensities may be biased, with weaker cyclones potentially going unrecorded from 1950 until the advent of satellite coverage.
Tom at 1977-11-05 20:00:00 (BeijingTime) 在South Pacific首次被记录, peak intensity 为Category 1 Tropical Cyclone , max wind 约 25.7 m/s (1 分钟平均) , minimum central pressure 997 hPa, at 1977-11-17 08:00:00前后结束, total 记录 47 track points (6 h一个) . 曾Landfall或贴近land.
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1977-11-05 20:00 | -7.8°S, 162.6°E | Tropical Cyclone | - | - |
| 1977-11-06 08:00 | -7.3°S, 160.0°E | Tropical Depression | 15.4 | 997 |
| 1977-11-06 20:00 | -8.4°S, 156.9°E | Tropical Depression | 18 | - |
| 1977-11-07 08:00 | -8.9°S, 154.6°E | Tropical Depression | 18 | - |
| 1977-11-07 20:00 | -9.4°S, 153.5°E | Tropical Depression | 18 | - |
| 1977-11-08 08:00 | -10.5°S, 152.8°E | Tropical Depression | 18 | - |
| 1977-11-08 20:00 | -11.6°S, 153.0°E | Category 1 Tropical Cyclone | 25.7 | - |
| 1977-11-09 08:00 | -12.2°S, 153.9°E | Category 1 Tropical Cyclone | 25.7 | - |
| 1977-11-09 20:00 | -12.6°S, 155.6°E | Category 1 Tropical Cyclone | 25.7 | - |
| 1977-11-10 08:00 | -13.2°S, 157.6°E | Category 1 Tropical Cyclone | 23.1 | - |
| 1977-11-10 20:00 | -13.9°S, 159.6°E | Tropical Depression | 18 | - |
| 1977-11-11 08:00 | -15.0°S, 160.3°E | Tropical Depression | 15.4 | - |
| 1977-11-11 20:00 | -16.1°S, 160.2°E | Tropical Depression | 15.4 | 997 |
| 1977-11-12 08:00 | -18.3°S, 159.9°E | Tropical Depression | 12.9 | 997 |
| 1977-11-12 20:00 | -18.0°S, 159.8°E | Tropical Cyclone | - | - |
| 1977-11-13 08:00 | -18.0°S, 159.0°E | Tropical Cyclone | - | - |
| 1977-11-13 20:00 | -17.1°S, 158.0°E | Tropical Cyclone | - | - |
| 1977-11-14 08:00 | -17.0°S, 156.8°E | Tropical Cyclone | - | - |
| 1977-11-14 20:00 | -17.0°S, 155.5°E | Tropical Cyclone | - | - |
| 1977-11-15 08:00 | -17.0°S, 154.0°E | Tropical Cyclone | - | - |
| 1977-11-15 20:00 | -17.2°S, 153.0°E | Tropical Cyclone | - | - |
| 1977-11-16 08:00 | -17.0°S, 151.0°E | Tropical Cyclone | - | - |
| 1977-11-16 20:00 | -17.0°S, 149.0°E | Tropical Cyclone | - | - |
| 1977-11-17 08:00 | -17.5°S, 147.5°E | Tropical Cyclone | - | - |
Data sources: NOAA National Environmental Information Center IBTrACS v04r01 (Knapp et al., 2010), code 1977310S08163 / SH011978. This area has no official Chinese name, so the original English name is used. Intensity is classified by the local agency in the region, converted from 1-minute sustained wind using the WMO factor, for reference only. Data notes · Incorrect translation?
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