Tropical Cyclone Brenda
● 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.
Brenda at 1978-04-05 08:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Category 1 Tropical Cyclone , max wind 约 23.1 m/s (1 分钟平均) , at 1978-04-14 08:00:00前后结束, total 记录 37 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1978-04-05 08:00 | -11.0°S, 120.4°E | Tropical Depression | 12.9 | - |
| 1978-04-05 20:00 | -11.5°S, 119.6°E | Tropical Depression | 12.9 | - |
| 1978-04-06 08:00 | -11.7°S, 118.5°E | Tropical Depression | 12.9 | - |
| 1978-04-06 20:00 | -11.8°S, 117.7°E | Tropical Depression | 15.4 | - |
| 1978-04-07 08:00 | -12.0°S, 116.8°E | Tropical Depression | 18 | - |
| 1978-04-07 20:00 | -12.3°S, 115.9°E | Category 1 Tropical Cyclone | 20.6 | - |
| 1978-04-08 08:00 | -12.8°S, 115.0°E | Category 1 Tropical Cyclone | 23.1 | - |
| 1978-04-08 20:00 | -13.5°S, 114.1°E | Category 1 Tropical Cyclone | 23.1 | - |
| 1978-04-09 08:00 | -14.3°S, 113.6°E | Category 1 Tropical Cyclone | 23.1 | - |
| 1978-04-09 20:00 | -14.8°S, 113.9°E | Category 1 Tropical Cyclone | 23.1 | - |
| 1978-04-10 08:00 | -14.8°S, 114.6°E | Category 1 Tropical Cyclone | 23.1 | - |
| 1978-04-10 20:00 | -15.3°S, 115.5°E | Category 1 Tropical Cyclone | 20.6 | - |
| 1978-04-11 08:00 | -15.7°S, 116.2°E | Tropical Depression | 18 | - |
| 1978-04-11 20:00 | -15.9°S, 116.8°E | Tropical Depression | 15.4 | - |
| 1978-04-12 08:00 | -16.0°S, 117.5°E | Tropical Depression | 15.4 | - |
| 1978-04-12 20:00 | -16.7°S, 117.3°E | Tropical Depression | 15.4 | - |
| 1978-04-13 08:00 | -16.9°S, 116.0°E | Tropical Depression | 12.9 | - |
| 1978-04-13 20:00 | -17.3°S, 114.3°E | Tropical Cyclone | - | - |
| 1978-04-14 08:00 | -17.5°S, 112.1°E | Tropical Cyclone | - | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1978095S11120 / SH311978. This basin has no official Chinese name, so the original English name is used. Intensity categories follow the local agency classification in the basin, converted from 1-minute sustained winds using WMO factors. For reference only. Data notes · Incorrect translation?
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