Tropical Cyclone Lise/Yvonne
● Data reliability: Track onlyOnly an approximate Position is available, with no wind speed or pressure records, so it is not included in Intensity rankings. This mainly applies to early records from the Indian Ocean and Southern Hemisphere.
Lise/Yvonne at 1971-02-19 08:00:00 (BeijingTime) 在South Indian Ocean首次被记录, 没有Intensity记录, minimum central pressure 975 hPa, at 1971-03-03 14:00:00前后结束, total 记录 50 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1971-02-19 08:00 | -13.0°S, 93.0°E | Tropical Cyclone | - | 1002 |
| 1971-02-20 02:00 | -13.3°S, 93.6°E | Tropical Cyclone | - | 1002 |
| 1971-02-20 20:00 | -13.7°S, 91.6°E | Tropical Cyclone | - | 1002 |
| 1971-02-21 14:00 | -15.2°S, 89.7°E | Tropical Cyclone | - | 998 |
| 1971-02-22 08:00 | -17.4°S, 86.4°E | Tropical Cyclone | - | 985 |
| 1971-02-23 02:00 | -18.3°S, 82.7°E | Tropical Cyclone | - | 976 |
| 1971-02-23 20:00 | -18.4°S, 78.7°E | Tropical Cyclone | - | - |
| 1971-02-24 14:00 | -18.0°S, 75.0°E | Tropical Cyclone | - | - |
| 1971-02-25 08:00 | -17.9°S, 70.8°E | Tropical Cyclone | - | - |
| 1971-02-26 02:00 | -18.6°S, 67.5°E | Tropical Cyclone | - | - |
| 1971-02-26 20:00 | -20.2°S, 63.8°E | Tropical Cyclone | - | - |
| 1971-02-27 14:00 | -22.0°S, 61.5°E | Tropical Cyclone | - | - |
| 1971-02-28 08:00 | -23.9°S, 60.8°E | Tropical Cyclone | - | - |
| 1971-03-01 02:00 | -25.9°S, 60.6°E | Tropical Cyclone | - | - |
| 1971-03-01 20:00 | -27.9°S, 59.5°E | Extratropical cyclone | - | - |
| 1971-03-02 14:00 | -30.6°S, 57.0°E | Extratropical cyclone | - | - |
| 1971-03-03 08:00 | -31.8°S, 54.3°E | Extratropical cyclone | - | - |
| 1971-03-03 14:00 | -32.0°S, 53.5°E | Extratropical cyclone | - | - |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1971050S13093 / SH221971. The basin has no official Chinese name and is shown in English. Intensity grades follow the local agency classification for the basin, converted from 1-min sustained wind using the WMO factor, for reference only. Data notes · Incorrect translation?
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