The SummaryTyphoon Dolphin (international code 202012) is a 2020 Northwest Pacific typhoon; peak intensity Severe Tropical Storm, max wind 28m/s, minimum central pressure 980hPa, not in China Landfall, 2020-09-24 was numbered off, recorded 18 track points.
Typhoon Dolphin, international code 202012, international name DOLPHIN, 2020 Northwest Pacific typhoon. Formed: 2020-09-21 11:00:00, ended: 2020-09-24 05:00:00. Peak intensity: Severe Tropical Storm, minimum central pressure: 980 hPa, max wind: 28m/s.
Typhoon Dolphin at 2020-09-21 11:00:00 at 24.9°N, 134.4°E over the Northwest Pacific; initial intensity: Tropical Storm.
It peaked at Severe Tropical Storm intensity with max winds of 28 m/s (~101 km/h) and a minimum central pressure of 980hPa, recorded at 2020-09-22 17:00:00.
2020-09-24 05:00:00 After, Typhoon Dolphin gradually weakened and was numbered off on 2020-09-24 05:00:00 was numbered off; its lifecycle recorded 18 track points.
From the initial observation point (24.9°N, 134.4°E) to the end point (33.9°N, 142.9°E), the system alwaysins toward High latitude ocean advancement.In the early Moving period (September 21, 11 to 22, 08 am), the Typhoon center length varies slightly, roaming mainly between 134.4°E and 135.2°E, with latitude rising from 24.9°NN to 26.8°N, showing the characteristics of slow N shift and slightly fracturing E.
Go to 9月22日下午后, Moving速度明显加快, direction转为明确的NE toward . 特别是在9月23日14时之后, During跨度显著增大, 从137.0°E迅速E移至142.9°E, 同时The latitude持续N推至33.9°N. 这种经纬度的同步快速变化表明, 该系统后期受W风带引导气流影响显著, 移速加快并逐渐远离大陆coastal 区域, 最终在远洋海域减弱消散.
在Intensity方面, “Dolphin”经历了一个典型的“增强-维持-减弱”过程. formed初期为Tropical Storm级 (20m/s, 998hPa) , 随后气压持续下降, wind speed逐步提升. 9月22日17时, 系统达到peak intensity, 认定为Severe Tropical Storm, 中心最低气压降至980hPa, max wind 达28m/s. 此后直至9月23日08时, Typhoon 在约12h内维持这一peak intensity, 气压稳定在980hPa, wind speed保持28m/s, 表现出较强的结构稳定性. 9月23日14时起, 随着系统N上Go to 更高The latitude, intensity 开始缓慢衰减, 气压回升至985hPa, wind speed降至25m/s, 并在生命末期进一步 weakened into Tropical Storm (23m/s, 990hPa) .
Its peak intensity is only Severe Tropical Storm, minimum pressure is 980hPa. In comparison, the 2015 No. 7 'Dolphin' has developed to Super Typhoon, minimum pressure is 925hPa; the 2026 No. 13 'Dolphin' also reached Severe Typhoon level, minimum pressure is 945hPa; even the weaker 2008 No. 22 'Dolphin', its peak intensity is also Typhoon (970hPa) .
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 2020-09-21 11:00:00 | 24.9°N | 134.4°E | Tropical Storm | 20 | 998 | N |
| 2020-09-21 14:00:00 | 25.2°N | 134.7°E | Tropical Storm | 18 | 998 | NNW |
| 2020-09-21 17:00:00 | 25.5°N | 134.6°E | Tropical Storm | 18 | 998 | NNW |
| 2020-09-21 20:00:00 | 25.7°N | 134.8°E | Tropical Storm | 20 | 995 | NNW |
| 2020-09-22 02:00:00 | 26.1°N | 135°E | Tropical Storm | 23 | 990 | NNW |
| 2020-09-22 05:00:00 | 26.5°N | 135.2°E | Tropical Storm | 23 | 990 | N |
| 2020-09-22 08:00:00 | 26.8°N | 135.2°E | Tropical Storm | 23 | 990 | N |
| 2020-09-22 14:00:00 | 27.8°N | 135.2°E | Severe Tropical Storm | 25 | 985 | NNE |
| 2020-09-22 17:00:00 | 28.3°N | 135.3°E | Severe Tropical Storm | 28 | 980 | NNE |
| 2020-09-22 20:00:00 | 29.2°N | 135.7°E | Severe Tropical Storm | 28 | 980 | NNE |
| 2020-09-23 02:00:00 | 30°N | 136.2°E | Severe Tropical Storm | 28 | 980 | NNE |
| 2020-09-23 05:00:00 | 30.8°N | 136.8°E | Severe Tropical Storm | 28 | 980 | NNE |
| 2020-09-23 08:00:00 | 31°N | 137°E | Severe Tropical Storm | 28 | 980 | NNE |
| 2020-09-23 14:00:00 | 31.8°N | 138°E | Severe Tropical Storm | 25 | 985 | NE |
| 2020-09-23 17:00:00 | 32.1°N | 138.4°E | Severe Tropical Storm | 25 | 985 | NE |
| 2020-09-23 20:00:00 | 32.4°N | 139°E | Severe Tropical Storm | 25 | 985 | NE |
| 2020-09-24 02:00:00 | 33.4°N | 141.4°E | Tropical Storm | 23 | 990 | NE |
| 2020-09-24 05:00:00 | 33.9°N | 142.9°E | Tropical Storm | 23 | 990 | NE |
Typhoon Dolphin's international code is 202012, is the 12th Typhoon of 2020, international name Dolphin.
Typhoon Dolphin peak intensity is Severe Tropical Storm, max wind 28m/s, minimum central pressure 980 hPa.
According to records, the Typhoon Dolphin is not in our coastal Landfall.
TyphoonSays (taifengshuo.com) provides typhoon Dolphin's Track history map, multinational meteorological agency Forecast comparison, wind range with IntensityTrend, page address: https://taifengshuo.com/typhoon/202012.
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