The SummaryTyphoon Dom (international code 198620) is a 1986 Northwest Pacific typhoon; peak intensity Tropical Storm, max wind 23m/s, minimum central pressure 996hPa, not in China Landfall, 1986-10-12 was numbered off, recording 13 track points.
Typhoon Dom, international code 198620, international name DOM, 1986 Northwest Pacific typhoon. Formed: 1986-10-09 00:00:00, ended: 1986-10-12 00:00:00. Peak intensity: Tropical Storm, minimum central pressure: 996 hPa, max wind: 23m/s.
Typhoon Dom at 1986-10-09 00:00:00 at 15.4°N, 114.9°E over the Northwest Pacific; initial intensity: Tropical Storm.
It peaked at Tropical Storm intensity with max winds of 23 m/s (~83 km/h) and a minimum central pressure of 996hPa, recorded at 1986-10-09 12:00:00.
Typhoon Dom gradually weakened and was numbered off on 1986-10-12 00:00:00 was numbered off; its lifecycle recorded 13 track points.
Typhoon Dom (No.198620)'s life cycle is shorter, from 9 October 1986 00:00 formed to 12 October 00:00 ended,ining a tropical cyclone but not landfall. From the space trajectory, the Typhoon overall shows a stable WNW going toward . starting position at lat 15.4°N, 114.9°, then continuing toward NW, finally dispersing at lat 18.8°N, 105.1° near.
In the Moving speed, by coordinate sequence analysis is known, Typhoon in the previous period (October 9 to 10 morning) the latitude changes were relatively slow, mainly reflected in the rapid W shift of length; while in the latter period (October 11 afternoon to 12) , the latitude increase was slightly increased, showing its path has a slight N trend. Thro the process there was no obvious path turn toward or stagnation phenomenon, Moving trajectory is more smooth coherence. by at always at marine activity, and no Landfall record, its path is mainly dominated by large-scale guided air flow, not significantly interfered with ground friction.
在Intensity变化上, Typhoon Dom表现为“短暂增强后持续减弱”的特征. formed初期为Tropical Storm, max wind 20m/s. 在10月9日12:00至18:00期间, intensity 达到巅峰, max wind 增至23m/s, 维持Tropical Storm等级. 此后, 系统结构逐渐松散, intensity 开始下滑. 10月10日12:00, max wind 降至17m/s, 降级为Nameless. 随后直至消散, wind speed进一步由17m/s逐步递减至12m/s, 气压数据虽缺失, 但wind speed的单调递减清晰反映了其能量耗散过程.
与同名History相比, 1986年Dom的Intensity明显偏弱. 1980年的同名Typhoon (198001) peak intensity曾达到Severe Typhoon级别, 1983年的同名Typhoon (198308) 也达到了Severe Tropical Storm级别. 相比之下, 1986年Dom仅维持在Tropical Storm至Nameless量级, 巅峰wind speed23m/s远低 at 前两次同名Typhoon 的Intensity水平, 属 at 较弱的热带气旋过程.
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 1986-10-09 00:00:00 | 15.4°N | 114.9°E | Tropical Storm | 20 | 998 | |
| 1986-10-09 06:00:00 | 16°N | 114°E | Tropical Storm | 20 | 996 | |
| 1986-10-09 12:00:00 | 16.3°N | 113.3°E | Tropical Storm | 23 | 996 | |
| 1986-10-09 18:00:00 | 16.6°N | 112.6°E | Tropical Storm | 23 | 996 | |
| 1986-10-10 00:00:00 | 16.8°N | 111.7°E | Tropical Storm | 20 | 998 | |
| 1986-10-10 06:00:00 | 17°N | 110.9°E | Tropical Storm | 20 | 998 | |
| 1986-10-10 12:00:00 | 17.1°N | 110.1°E | Nameless | 17 | 998 | |
| 1986-10-10 18:00:00 | 17.2°N | 109.3°E | Nameless | 17 | 998 | |
| 1986-10-11 00:00:00 | 17.3°N | 108.5°E | Nameless | 17 | 998 | |
| 1986-10-11 06:00:00 | 17.3°N | 107.7°E | Nameless | 17 | 1000 | |
| 1986-10-11 12:00:00 | 17.4°N | 106.9°E | Nameless | 15 | 1000 | |
| 1986-10-11 18:00:00 | 17.8°N | 105.8°E | Nameless | 15 | 1004 | |
| 1986-10-12 00:00:00 | 18.8°N | 105.1°E | Nameless | 12 | 1008 |
Typhoon Dom's international code is 198620 and is typhoon number 20 from 1986.
Typhoon Dom peak intensity is Tropical Storm, max wind 23m/s, minimum central pressure 996 hPa.
According to records, Typhoon Dom is not in our coastal landfall.
TyphoonSays (taifengshuo.com) provides typhoon Dom's Track history map, multinational meteorological agency Forecast comparison, windshield range with IntensityTrend, page address: https://taifengshuo.com/typhoon/198620.
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