Typhoon Keith trajectory analysis
Track Characteristics and Moving Trends
Typhoon Keith (199722) 的生命史始 at Northwest Pacific低纬度海域, 整体路径呈现典型的“NW行后转 toward NE”的抛物线形态. formed初期 (10月29日至11月1日) , 系统自6°N, 160°E附近 toward NW direction稳定Moving, 经度从160°E迅速W移至150°E, 纬度同步N抬至12.7°N, 显示出受副热带高压S侧引导气流影响的显著特征. 11月2日至11月4日期间, Typhoon 维持高Intensity并 toward WNW direction推进, 抵达138.2°E附近时达到最W端Position. 随后, 路径出现明显转折, 自11月5日起, 系统逐渐转为NE, 经度由134.9°E反弹至148°E, 纬度持续N抬至28.8°N. 整个过程中无Landfall记录, 全程在洋面上活动, 最终在较高纬度海域减弱消散.
Intensity Evolution and Peak Status
Keith的Intensity演变经历了快速增强, 巅峰维持及缓慢减弱三个阶段. 初始阶段为Tropical Depression (15m/s) , 在约48h内迅速增强为Typhoon , 并 at 11月1日20时发展为Super Typhoon (55m/s) . 11月2日14时至11月3日08时, Typhoon 达到巅峰状态, 中心最低气压降至925hPa, max wind 维持在60m/s, 并在此高Intensity等级上保持了至少18h. 这种长Time维持Super TyphoonIntensity的现象, 表明其核心结构极为稳固. 11月4日后, 随着路径转 toward 及环境场变化, intensity 开始阶梯式下滑, 由Severe Typhoon (50m/s) 逐步 weakened into Severe Tropical Storm, 直至11月8日 weakened into Tropical Storm (23m/s) , 气压回升至990hPa. 相较 at 其他同名或同期Typhoon , Keith在巅峰期的气压极低且wind speed极高, 属 at 典型的强盛远洋Typhoon 案例.
Typhoon Keith routes
| Time | Position | Intensity | Wind · Pressure | Moving Toward |
|---|
| 10-29 20:00 | 6°N
160°E | Tropical Depression | 15 m/s
1000 hPa | - |
| 10-30 08:00 | 6.5°N
159.5°E | Tropical Storm | 18 m/s
998 hPa | NW |
| 10-30 20:00 | 7.2°N
159.3°E | Tropical Storm | 23 m/s
995 hPa | NNW |
| 10-31 08:00 | 8.7°N
157.7°E | Typhoon | 33 m/s
975 hPa | WNW |
| 10-31 20:00 | 9.8°N
155.8°E | Typhoon | 40 m/s
960 hPa | NW |
| 11-01 08:00 | 11.3°N
153.2°E | Severe Typhoon | 45 m/s
955 hPa | WNW |
| 11-01 20:00 | 12.7°N
150.2°E | Super Typhoon | 55 m/s
935 hPa | WNW |
| 11-02 08:00 | 13.9°N
147.2°E | Super Typhoon | 60 m/s
925 hPa | WNW |
| 11-02 20:00 | 14.8°N
144.4°E | Super Typhoon | 60 m/s
925 hPa | WNW |
| 11-03 08:00 | 15.4°N
142°E | Super Typhoon | 60 m/s
925 hPa | WNW |
| 11-03 20:00 | 15.7°N
139.4°E | Severe Typhoon | 50 m/s
945 hPa | W |
| 11-04 08:00 | 16.1°N
137.2°E | Severe Typhoon | 45 m/s
955 hPa | W |
| 11-04 20:00 | 16.8°N
135.7°E | Severe Typhoon | 45 m/s
955 hPa | WNW |
| 11-05 08:00 | 17.8°N
134.8°E | Severe Typhoon | 45 m/s
955 hPa | NW |
| 11-05 20:00 | 18.8°N
135.2°E | Typhoon | 40 m/s
965 hPa | NNE |
| 11-06 08:00 | 20.2°N
136.3°E | Severe Tropical Storm | 30 m/s
980 hPa | NE |
| 11-06 20:00 | 22.1°N
137.5°E | Severe Tropical Storm | 30 m/s
980 hPa | NE |
| 11-07 08:00 | 23.6°N
139.5°E | Severe Tropical Storm | 25 m/s
985 hPa | NE |
| 11-07 20:00 | 26.7°N
143.3°E | Severe Tropical Storm | 25 m/s
985 hPa | NE |
| 11-08 08:00 | 28.8°N
148°E | Tropical Storm | 23 m/s
990 hPa | ENE |
Sampled rows shown; all 39 track points are available on the interactive map or via the public API .
FAQ
Typhoon Keith was the 1997 Typhoon.
Typhoon Keith's international code is 199722, is 1997 number 22 Typhoon, international name KEITH.
What is the highest level of Typhoon Keith?
Typhoon Keith peak intensity is Super Typhoon, max wind 60m/s, minimum central pressure 925 hPa.
Typhoon Keith Landfall?
According to records, Typhoon Keith is not in our coastal Landfall.
Where can I view typhoon Keith's live track map?
TyphoonSays (taifengshuo.com) provides typhoon Keith's Track history map, multinational meteorological agency Forecast comparison, wind range with IntensityTrend, page address: https://taifengshuo.com/typhoon/199722.
Related Queries
Download