The SummaryTyphoon David (international code 199717) is a 1997 Northwest Pacific typhoon; peak intensity Severe Typhoon, max wind 48m/s, minimum central pressure 945hPa, not in China Landfall, 1997-09-21 was numbered off, recording 49 track points.
Typhoon David, international code 199717, international name DAVID, 1997 Northwest Pacific typhoon. Formed: 1997-09-09 00:00:00, ended: 1997-09-21 00:00:00. Peak intensity: Severe Typhoon, minimum central pressure: 945 hPa, max wind: 48m/s.
Typhoon David at 1997-09-09 00:00:00 at 9.9°N, 171.1°E over the Northwest Pacific; initial intensity: Nameless.
It peaked at Severe Typhoon intensity with max winds of 48 m/s (~173 km/h) and a minimum central pressure of 945hPa, recorded at 1997-09-14 18:00:00.
Typhoon David gradually weakened and was numbered off on 1997-09-21 00:00:00 was numbered off; its lifecycle recorded 49 track points.
Typhoon David (199717) 的生命史始 at Northwest Pacific远洋海域, 整体路径呈现典型的“NW—NE”抛物线型Moving特征. formed初期 (9月9日至12日) , 系统在低The latitude海域 (约10°N-13°N) 缓慢 toward NW, During在168°E至171°E之间小幅摆动, 显示出引导气流较弱的初始状态. 9月13日起, 随着系统增强为Severe Tropical Storm, 其Moving速度加快, 路径稳定指 toward WNW direction, 直至9月15日到达lat 21.1°N, 158.9°附近.
After the system reached peak intensity, influenced by the SW airflow before the W wind belt, the path gradually turned from NW to positive N, and then turned toward NE. September 17 at lat 25.3°N, 147.8°, the Moving direction was clearly turned to NE toward .
从Intensity演变来看, Typhoon David经历了完整的“ formed—加强—巅峰—减弱”过程. 9月9日以Nameless形式 formed, wind speed仅7m/s. 随后三天内Intensity稳步提升, 9月13日突破25m/s成为Severe Tropical Storm, 9月14日进一步发展为Typhoon (35m/s) . 9月15日至16日, 系统达到生命史中的巅峰状态, 维持Severe Typhoon等级, max wind 高达48m/s, 并在该Intensity上保持了约24h.
After September 17, as the system toward NGo to higher latitude waters, environmental conditions no longer favourable atining high Intensity, wind speed begins to gradually decline: from 41m/s to 33m/s, and on September 19, N to late 34° near stillining Typhoon level Intensity. Go to September 20, the system quickly weakened into Severe Tropical Storm, until the end of life. Compared to other homonymous Typhoon, in 1997 David although at peak intensity reached Severe Typhoon level (48m/s), but by at its path toward remote and no Landfall records, its direct impact on land is relatively limited, mainly reflecting a typical oceanic Severe Typhoon process.
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 1997-09-09 00:00:00 | 9.9°N | 171.1°E | Nameless | 7 | - | |
| 1997-09-09 18:00:00 | 10.1°N | 169.3°E | Nameless | 10 | - | |
| 1997-09-10 12:00:00 | 10.5°N | 168.8°E | Nameless | 12 | - | |
| 1997-09-11 06:00:00 | 11.2°N | 170.2°E | Nameless | 12 | 1000 | |
| 1997-09-12 00:00:00 | 12.9°N | 169.7°E | Nameless | 15 | 1000 | |
| 1997-09-12 18:00:00 | 14.5°N | 167.2°E | Tropical Storm | 23 | 994 | |
| 1997-09-13 12:00:00 | 15.5°N | 164.9°E | Severe Tropical Storm | 30 | 990 | |
| 1997-09-14 06:00:00 | 17.9°N | 162.5°E | Typhoon | 38 | 975 | |
| 1997-09-15 00:00:00 | 21.1°N | 158.9°E | Severe Typhoon | 48 | 955 | |
| 1997-09-15 18:00:00 | 23°N | 155.2°E | Severe Typhoon | 48 | 945 | |
| 1997-09-16 12:00:00 | 24.4°N | 151°E | Severe Typhoon | 46 | 945 | |
| 1997-09-17 06:00:00 | 25.8°N | 146.2°E | Typhoon | 41 | 960 | |
| 1997-09-18 00:00:00 | 27.9°N | 142.4°E | Typhoon | 33 | 960 | |
| 1997-09-18 18:00:00 | 32.2°N | 141.5°E | Typhoon | 33 | 965 | |
| 1997-09-19 12:00:00 | 39.1°N | 147.4°E | Severe Tropical Storm | 30 | 975 | |
| 1997-09-20 06:00:00 | 47.3°N | 158.9°E | Severe Tropical Storm | 28 | 968 | |
| 1997-09-21 00:00:00 | 51.2°N | 174.9°E | Severe Tropical Storm | 28 | 960 |
Sampled rows shown; all 49 track points are available on the interactive map or via the public API .
Typhoon David's international code is 199717, is 1997's 17th Typhoon, international name DAVID.
Typhoon David peak intensity is Severe Typhoon, max wind 48m/s, minimum central pressure 945 hPa.
According to records, Typhoon David is not in our coastal landfall.
TyphoonSays (taifengshuo.com) provides typhoon David's Track history map, multinational weather agency Forecast comparison, windshield range with IntensityTrend, page address: https://taifengshuo.com/typhoon/199717.
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Weather data: NASA GIBS / OpenWeatherMap / Open-Meteo / NOAA WW3, for reference only
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