Tropical Cyclone Zaka
● 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).
Zaka at 2011-02-03 14:00:00 (BeijingTime) 在South Pacific首次被记录, peak intensity 为Category 1 Tropical Cyclone , max wind 约 23.1 m/s (1 分钟平均) , minimum central pressure 985 hPa, at 2011-02-08 20:00:00前后结束, total 记录 22 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 2011-02-03 14:00 | -19.3°S, 160.7°W | Tropical Depression | 15.4 | 1000 |
| 2011-02-03 20:00 | -19.8°S, 162.1°W | Tropical Depression | 15.4 | 1000 |
| 2011-02-04 02:00 | -20.2°S, 163.4°W | Tropical Depression | 15.4 | 1000 |
| 2011-02-04 08:00 | -20.6°S, 164.6°W | Tropical Depression | 15.4 | 1000 |
| 2011-02-04 14:00 | -20.9°S, 165.8°W | Tropical Depression | 15.4 | 1000 |
| 2011-02-04 20:00 | -21.2°S, 167.0°W | Tropical Depression | 15.4 | 1000 |
| 2011-02-05 02:00 | -21.6°S, 168.2°W | Tropical Depression | 15.4 | 1000 |
| 2011-02-05 08:00 | -22.1°S, 169.4°W | Tropical Depression | 15.4 | 1010 |
| 2011-02-05 14:00 | -22.4°S, 170.8°W | Tropical Depression | 15.4 | 1008 |
| 2011-02-05 20:00 | -22.4°S, 172.4°W | Tropical Depression | 15.4 | 1008 |
| 2011-02-06 02:00 | -22.7°S, 173.6°W | Tropical Depression | 15.4 | 1006 |
| 2011-02-06 08:00 | -22.9°S, 174.5°W | Tropical Depression | 18 | 1002 |
| 2011-02-06 14:00 | -23.1°S, 175.4°W | Tropical Depression | 18 | 998 |
| 2011-02-06 20:00 | -24.3°S, 176.3°W | Category 1 Tropical Cyclone | 23.1 | 995 |
| 2011-02-07 02:00 | -25.6°S, 177.3°W | Category 1 Tropical Cyclone | 23.1 | 985 |
| 2011-02-07 08:00 | -27.5°S, 178.2°W | Category 1 Tropical Cyclone | 23.1 | 985 |
| 2011-02-07 14:00 | -29.0°S, 179.3°W | Category 1 Tropical Cyclone | 20.6 | 985 |
| 2011-02-07 20:00 | -30.9°S, 179.8°E | Tropical Depression | 18 | 988 |
| 2011-02-08 02:00 | -32.9°S, 179.8°E | Tropical Depression | 18 | 995 |
| 2011-02-08 08:00 | -34.6°S, 179.8°W | Tropical Depression | 15.4 | 990 |
| 2011-02-08 14:00 | -36.6°S, 178.5°W | Tropical Depression | 15.4 | 997 |
| 2011-02-08 20:00 | -39.0°S, 177.0°W | Category 1 Tropical Cyclone | 19.5 | 1000 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 2011034S19199 / SH122011. This area has no official Chinese name, so the original English name is used. Intensity is classified by the local agency in the region based on 1-minute sustained wind converted using the WMO factor, for reference only. Data notes · Incorrect translation?
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