The SummaryTyphoon In-fa (international code 202106) is a 2021 Northwest Pacific typhoon; peak intensity Severe Typhoon, max wind 42m/s, minimum central pressure 955hPa, at 2021-07-25 12:30LandfallZhejiangZhoushan普陀coastal , 2021-07-30 was numbered off, 全程记录203 track points.
Typhoon In-fa, international code 202106, international name In-fa, 2021 Northwest Pacific typhoon. Formed: 2021-07-18 02:00:00, ended: 2021-07-30 17:00:00. Peak intensity: Severe Typhoon, minimum central pressure: 955 hPa, max wind: 42m/s.
Typhoon In-fa at 2021-07-18 02:00:00 at 22.2°N, 132.5°E over the Northwest Pacific; initial intensity: Tropical Storm.
It peaked at Severe Typhoon intensity with max winds of 42 m/s (~151 km/h) and a minimum central pressure of 955hPa, recorded at 2021-07-21 11:00:00.
2021-07-25 12:30:00, Typhoon In-fa in ZhejiangZhoushanPutda coastal Landfall.
2021-07-26 09:50:00, Typhoon In-fa in Zhejiang Pye Lake Citycoastal Landfall.
2021-07-30 17:00:00 After, Typhoon In-fa gradually weakened and was numbered off on 2021-07-30 17:00:00 was numbered off; its lifecycle recorded 203 track points.
Typhoon In-fa (202106) 的生命史长达12天以上, track points多达203个, 显示出其Moving缓慢, 路径复杂的显著特征. 从 formed初期的NW toward Moving, 到接近我国E部coastal 时的转 toward 调整, 其轨迹呈现出典型的“W折N抬”形态. 观测数据显示, 7月18日至21日期间, Typhoon 中心由lng 132.5°快速W移至126.4°, The latitude在22.2°N至23.9°N之间波动, 表明其在副热带高压S侧受引导气流影响稳定 toward W推进. 7月23日后, 随着纬度逐渐N抬至24.8°N并继续 toward NW, Typhoon Go to E海海域, 路径曲率发生变化, 最终指 toward Zhejiangcoastal . 这种长距离, 多阶段的Moving路径, 为其后续在陆地上维持较长Time的水汽输送和降水影响奠定了动力学基础.
In-fa的Intensity演变经历了快速增强, 巅峰维持及缓慢减弱三个阶段. 7月18日 formed时为Tropical Storm (18m/s, 998hPa) , 随后迅速加强, 至7月21日22:00达到peak intensity, 确认为Severe Typhoon级别, 中心最低气压降至955hPa, max wind 达42m/s. 值得注意的是, 在7月21日至23日期间, Typhoon 在近海区域长Time维持peak intensity, 气压稳定在955hPa, wind speed保持42m/s, 显示出极强的结构稳定性. 7月25日12:30, Typhoon 以Typhoon 级Intensity (38m/s左右推算) 首次LandfallZhejiangZhoushan普陀coastal ; 次日09:50, 再次LandfallZhejiang平湖 Citycoastal . 两次Landfall间隔Time短, 且Landfall后Intensity衰减相对缓慢, 直至7月26日下午才 weakened into Severe Tropical Storm, 反映出其庞大的环流结构和深厚的水汽支持.
In-fa has reached the Super Typhoon level, the minimum pressure is 935hPa, and in-fa in 2021 the minimum air pressure is 955hPa, the difference is 20hPa, max wind is also low at 2015 counterparts. although absolute intensity is less than its predecessor, but in-fa in 2021 with its special slow Moving characteristics and double Landfall path, has a sustained and far-reaching impact on the E region, its path complexity and impact length is also rare in the history of the same period Typhoon.
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 2021-07-18 02:00:00 | 22.2°N | 132.5°E | Tropical Storm | 18 | 998 | NNW |
| 2021-07-19 14:00:00 | 24°N | 131.1°E | Severe Tropical Storm | 28 | 982 | NWW |
| 2021-07-20 20:00:00 | 24.4°N | 129°E | Typhoon | 33 | 975 | W |
| 2021-07-21 20:00:00 | 24.1°N | 126.6°E | Severe Typhoon | 42 | 955 | SWW |
| 2021-07-22 06:00:00 | 23.5°N | 125.9°E | Severe Typhoon | 42 | 955 | NWW |
| 2021-07-22 16:00:00 | 23.5°N | 125.6°E | Severe Typhoon | 42 | 955 | NWW |
| 2021-07-23 02:00:00 | 23.6°N | 125.5°E | Severe Typhoon | 42 | 955 | NW |
| 2021-07-23 12:00:00 | 24.6°N | 125.2°E | Severe Typhoon | 42 | 955 | NNW |
| 2021-07-23 22:00:00 | 24.8°N | 124.9°E | Severe Typhoon | 42 | 955 | NNW |
| 2021-07-24 08:00:00 | 26.1°N | 124.6°E | Typhoon | 40 | 960 | NNW |
| 2021-07-24 18:00:00 | 27.7°N | 124.2°E | Typhoon | 40 | 960 | NNW |
| 2021-07-25 04:00:00 | 29°N | 123.5°E | Typhoon | 40 | 960 | NWW |
| 2021-07-25 14:00:00 | 30°N | 122.2°E | Typhoon | 38 | 965 | NW |
| 2021-07-26 00:00:00 | 30.4°N | 121.6°E | Typhoon | 35 | 970 | NW |
| 2021-07-26 10:00:00 | 30.7°N | 121.1°E | Severe Tropical Storm | 28 | 978 | NWW |
| 2021-07-26 20:00:00 | 31°N | 120.4°E | Tropical Storm | 23 | 980 | NW |
| 2021-07-27 06:00:00 | 31.3°N | 119.6°E | Tropical Storm | 20 | 985 | NW |
| 2021-07-27 16:00:00 | 31.3°N | 119°E | Tropical Storm | 18 | 985 | NW |
| 2021-07-28 02:00:00 | 32.3°N | 118.2°E | Tropical Storm | 18 | 985 | NW |
| 2021-07-29 05:00:00 | 34.5°N | 116.8°E | Nameless | 15 | 988 | NNE |
| 2021-07-30 11:00:00 | 38.8°N | 118.2°E | Nameless | 15 | 988 | NEE |
| 2021-07-30 17:00:00 | 38.4°N | 119°E | Nameless | 15 | 988 | SE |
Sampled rows shown; all 203 track points are available on the interactive map or via the public API .
The international code for Typhoon In-fa is 202106, which is the 6th Typhoon in 2021, and the international name is In-fa.
Typhoon In-fa peak intensity is Severe Typhoon, max wind 42m/s, minimum central pressure 955 hPa.
2021-07-25 12:30:00 in ZhejiangZhoushanPutda coastal Landfall; 2021-07-26 09:50:00 in ZhejiangPing Lake Citycoastal Landfall.
TyphoonSays (taifengshuo.com) provides typhoon In-fa's Track history map, multinational meteorological agency Forecast comparison, wind circle range with IntensityTrend, page address: https://taifengshuo.com/typhoon/202106.
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