The SummaryTyphoon Usagi (international code 201829) is a 2018 Northwest Pacific typhoon; peak intensity Severe Tropical Storm, max wind 30m/s, minimum central pressure 985hPa, not in China Landfall, 2018-11-26 was numbered off, recording 27 track points.
Typhoon Usagi, international code 201829, international name USAGI, 2018 Northwest Pacific typhoon. Formed: 2018-11-22 20:00:00, ended: 2018-11-26 02:00:00. Peak intensity: Severe Tropical Storm, minimum central pressure: 985 hPa, max wind: 30m/s.
Typhoon Usagi at 2018-11-22 20:00:00 at 11°N, 114.4°E over the Northwest Pacific; initial intensity: Tropical Storm.
It peaked at Severe Tropical Storm intensity with max winds of 30 m/s (~108 km/h) and a minimum central pressure of 985hPa, recorded at 2018-11-24 23:00:00.
Typhoon Usagi gradually weakened and was numbered off on 2018-11-26 02:00:00 was numbered off; its lifecycle recorded 27 track points.
From the initial formed point (11°N, 114.4°E) to the dispersal point (11°N, 105.8°E) , the system across a length of about 8.6 degrees, with a smaller latitude variation, alwaysined in the low latitude area of 9.8°N to 11°N. Observation data showed that the Typhoon continued toward N after rising from 9.9°N to 10°N, showing that its toward W was slightly affected by the microcirculation while pushing toward W, but stillined the overall sea range toward the landfall, with no record of a weakness in the entire area.
在Intensity变化方面, “Usagi”经历了典型的“增强-维持-减弱”过程. formed初期为Tropical Storm级 (18m/s) , 随后迅速加强, at 11月23日20时升级为Severe Tropical Storm. 其巅峰状态出现在11月25日02时至08时, 中心最低气压降至985hPa, max wind 达到30m/s, 并在此Intensity附近维持了约12h. 此后, 受环境因素影响, 系统核心结构开始瓦解, wind speed快速回落, 至11月26日02时已 weakened into Nameless.
与历届同名Typhoon 相比, 2018年“Usagi”的Intensity显著偏弱. 历史上多次出现的“Usagi”多为Severe Typhoon或Super Typhoon级别, 如2013年和2024年的同名Typhoon 最低气压分别低至915hPa和925hPa, 属 at 极具破坏力的强系统; 2007年“Usagi”也达到了Severe Typhoon级别 (940hPa) . 相比之下, 2018年“Usagi”仅达到Severe Tropical Storm级别, 其最低气压 (985hPa) 甚至高 at 2001年同名Typhoon (994hPa, 虽同为弱系统但气压略高, 需结合wind speed看, 2001年仅为Tropical Storm) . 这表明2018年的“Usagi”在“Usagi”家族中属 at Intensity较弱, 生命史较短的成员, 未展现出同类命名Typhoon 常有的极端Intensity特征.
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 2018-11-22 20:00:00 | 11°N | 114.4°E | Tropical Storm | 18 | 1004 | SWW |
| 2018-11-23 02:00:00 | 10.8°N | 113°E | Tropical Storm | 18 | 1000 | W |
| 2018-11-23 08:00:00 | 10.6°N | 112.8°E | Tropical Storm | 18 | 1002 | W |
| 2018-11-23 14:00:00 | 10.7°N | 111.5°E | Tropical Storm | 20 | 998 | SWW |
| 2018-11-23 20:00:00 | 10.5°N | 110.7°E | Severe Tropical Storm | 25 | 990 | W |
| 2018-11-24 02:00:00 | 10.4°N | 110.1°E | Severe Tropical Storm | 25 | 990 | W |
| 2018-11-24 08:00:00 | 10°N | 109.5°E | Severe Tropical Storm | 28 | 988 | W |
| 2018-11-24 14:00:00 | 9.8°N | 108.7°E | Severe Tropical Storm | 28 | 988 | NWW |
| 2018-11-24 20:00:00 | 9.9°N | 108.3°E | Severe Tropical Storm | 28 | 988 | NWW |
| 2018-11-25 02:00:00 | 9.9°N | 107.7°E | Severe Tropical Storm | 30 | 985 | NW |
| 2018-11-25 08:00:00 | 10°N | 107.3°E | Severe Tropical Storm | 30 | 985 | NW |
| 2018-11-25 14:00:00 | 10.3°N | 106.7°E | Severe Tropical Storm | 25 | 988 | NW |
| 2018-11-25 20:00:00 | 10.8°N | 106.2°E | Tropical Storm | 18 | 1000 | NW |
| 2018-11-26 02:00:00 | 11°N | 105.8°E | Nameless | 16 | 1002 | NNW |
Sampled rows shown; all 27 track points are available on the interactive map or via the public API .
The international code for Typhoon Usagi is 201829, the 29th Typehoon of 2018, the international name USAGI.
Typhoon Usagi peak intensity is Severe Tropical Storm, max wind 30m/s, minimum central pressure 985 hPa.
According to records, Typhoon Usagi is not in our coastal landfall.
TyphoonSays (taifengshuo.com) provides typhoon Usagi's Track history map, multinational meteorological agency Forecast comparison, wind range with IntensityTrend, page address: https://taifengshuo.com/typhoon/201829.
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Weather data: NASA GIBS / OpenWeatherMap / Open-Meteo / NOAA WW3, for reference only
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