The SummaryTyphoon Otto (international code 199802) is a 1998 Northwest Pacific typhoon; peak intensity Super Typhoon, max wind 51m/s, minimum central pressure 970hPa, not in China Landfall, 1998-08-05 was numbered off, recording 17 track points.
Typhoon Otto, international code 199802, international name OTTO, 1998 Northwest Pacific typhoon. Formed: 1998-08-01 06:00:00, ended: 1998-08-05 06:00:00. Peak intensity: Super Typhoon, minimum central pressure: 970 hPa, max wind: 51m/s.
Typhoon Otto at 1998-08-01 06:00:00 at 14.1°N, 128°E over the Northwest Pacific; initial intensity: Nameless.
It peaked at Super Typhoon intensity with max winds of 51 m/s (~184 km/h) and a minimum central pressure of 970hPa, recorded at 1998-08-04 00:00:00.
1998-08-05 06:00:00 After, Typhoon Otto gradually weakened and was numbered off on 1998-08-05 06:00:00 was numbered off; its lifecycle recorded 17 track points.
Typhoon Otto (199802)'s life began at Northwest Pacific ocean, overall presenting a stable NW toward MovingTrend. From August 1, 1998 06:00 formed at 14.1°N, 128°E near, to August 5, 06:00 weakened dispersion at 26.5°N, 118°E near, its path span about 12 latitudes, 10 lengths. Over the entire life cycle, the Typhoon did not show any obvious path turn or stagnation phenomenon, alwaysining toward NW direction advance. The initial Moving speed was relatively slow, as the latitude increased, its toward N segment gradually increased. It is worth noting that despite the path pointing toward continental direction, but according to observation records, Otto's entire course recorded no Landfall, eventually in the near coastal region Intens
Otto的Intensity变化具有典型的“快速增强, 短暂巅峰, 迅速减弱”特征. 系统在 formed后的前48h内维持Nameless等级, wind speed保持在10-17m/s之间. 自8月3日00:00起, 系统Go to 快速增强期, 仅用12h便从Tropical Storm (23m/s) 发展为Typhoon (33m/s) . 最为显著的是8月3日18:00至8月4日00:00期间, max wind 从41m/s激增至51m/s, 达到Super Typhoon级别, 完成了Intensity的爆发式跃升. 然而, 这一巅峰状态极为短暂, 仅维持约6h后, at 8月4日06:00wind speed骤降至35m/s, 回落至Typhoon 等级. 随后系统持续减弱, 虽在8月4日18:00出现小幅反弹至33m/s, 但整体Trend不可逆转, 最终 at 8月5日早晨 weakened into Nameless. 这种剧烈的Intensity波动反映了其对环境场变化的极高敏感性.
As the 2nd Typhoon in 1998, Otto completed the full life cycle from Nameless to Super Typhoon in just four days. Compared to other homonymous or synchronous Typhoons in history, Otto's notable feature was at its extremely high boost rate and shorter Super Typhoon maintenance time. Most Typhoon tended to maintain longer Time after reaching peak intensity, while Otto quickly collapsed after reaching a 51m/s wind speed peak, showing that its core structure could become unstable under the influence of vertical wind shifts or sea temperature decreases.
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 1998-08-01 06:00:00 | 14.1°N | 128°E | Nameless | 10 | - | |
| 1998-08-01 12:00:00 | 14.3°N | 127.7°E | Nameless | 10 | 1004 | |
| 1998-08-01 18:00:00 | 14.6°N | 127.1°E | Nameless | 10 | 1004 | |
| 1998-08-02 00:00:00 | 14.9°N | 126.5°E | Nameless | 15 | 1002 | |
| 1998-08-02 06:00:00 | 15.2°N | 126°E | Nameless | 15 | 1000 | |
| 1998-08-02 12:00:00 | 15.7°N | 125.5°E | Nameless | 17 | 1000 | |
| 1998-08-02 18:00:00 | 16.6°N | 124.9°E | Nameless | 17 | 1000 | |
| 1998-08-03 00:00:00 | 17.7°N | 124.4°E | Tropical Storm | 23 | 996 | |
| 1998-08-03 06:00:00 | 18.9°N | 123.8°E | Severe Tropical Storm | 28 | 990 | |
| 1998-08-03 12:00:00 | 20.1°N | 123.2°E | Typhoon | 33 | 985 | |
| 1998-08-03 18:00:00 | 21.2°N | 122.5°E | Typhoon | 41 | 980 | |
| 1998-08-04 00:00:00 | 22.1°N | 121.9°E | Super Typhoon | 51 | 975 | |
| 1998-08-04 06:00:00 | 23.3°N | 121.2°E | Typhoon | 35 | 970 | |
| 1998-08-04 12:00:00 | 24.5°N | 120.3°E | Severe Tropical Storm | 30 | 980 | |
| 1998-08-04 18:00:00 | 25.2°N | 119.6°E | Typhoon | 33 | 985 | |
| 1998-08-05 00:00:00 | 25.8°N | 118.7°E | Severe Tropical Storm | 25 | 996 | |
| 1998-08-05 06:00:00 | 26.5°N | 118°E | Nameless | 15 | 998 |
Typhoon Otto's international code is 199802, is 1998 Typehoon number 2, international name OTTO.
Typhoon Otto peak intensity is Super Typhoon, max wind 51m/s, minimum central pressure 970 hPa.
According to records, Typhoon Otto is not in our coastal landfall.
TyphoonSays (taifengshuo.com) provides typhoon Otto's Track history map, multinational meteorological agency Forecast comparison, windshield range with IntensityTrend, page address: https://taifengshuo.com/typhoon/199802.
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