The SummaryTyphoon Sarah (international code 197917) is a 1979 Northwest Pacific typhoon; peak intensity Tropical Storm, max wind 23m/s, minimum central pressure 985hPa, not in China Landfall, 1979-10-07 was numbered off, recording 22 track points.
Typhoon Sarah, international code 197917, international name SARAH, 1979 Northwest Pacific typhoon. Formed: 1979-10-02 00:00:00, ended: 1979-10-07 06:00:00. Peak intensity: Tropical Storm, minimum central pressure: 985 hPa, max wind: 23m/s.
Typhoon Sarah at 1979-10-02 00:00:00 at 11.7°N, 142.7°E over the Northwest Pacific; initial intensity: Nameless.
It peaked at Tropical Storm intensity with max winds of 23 m/s (~83 km/h) and a minimum central pressure of 985hPa, recorded at 1979-10-04 18:00:00.
1979-10-07 06:00:00 After, Typhoon Sarah gradually weakened and was numbered off on 1979-10-07 06:00:00 was numbered off; its lifecycle recorded 22 track points.
Typhoon Sarah (197917) 的生命周期始 at Northwest Pacific远洋海域, 整体路径呈现显著的“先NW, 后NE”的抛物线型转 toward 特征. formed初期 (10月2日至3日) , 系统自142.7°E附近 toward NW direction稳定Moving, The latitude从11.7°N迅速攀升至19.4°N, DuringW移约5个经度, 显示出受副热带高压S侧引导气流影响的典型W行Trend.
When the system Moving to lat 21° near, lng 134°-135° ocean area, the Moving direction changes significantly. on October 4 at 18 p.m., after reaching the maximum W point (133.5°E), the path begins toward E toward, then turns to NE. This turn toward process accompanied by a continuous latitude N elevation, from about 20°N rapid N on October 5 to 34.4°N on October 7.
在Intensity变化方面, Sarah表现为缓慢增强, 平台维持, 快速减弱的特征. 系统初生时为Nameless, 经过约40h的缓慢加强, at 10月4日06时升级为Tropical Storm, max wind 达到20m/s. 随后在10月4日18时达到peak intensity, max wind 为23m/s, 并在此Intensity上维持了长达36h (直至10月6日06时) . 值得注意的是, 尽管The latitude大幅N移, 其核心Intensity在转 toward 期间保持了惊人的稳定性. 然而, 一旦Go to 高纬度海域 (lat 29°以N) , 受环境场变化影响, 系统迅速减弱, 10月7日00时降格为Nameless, wind speed降至17m/s, 并 at 6h后进一步减弱至15m/s.
Its peak is only Tropical Storm level (23m/s), far lower at 1989 Sarah's Super Typhoon level, also weak at 1977's Typhoon level and 1986's Severe Tropical Storm level.
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 1979-10-02 00:00:00 | 11.7°N | 142.7°E | Nameless | 10 | 1001 | |
| 1979-10-02 06:00:00 | 12°N | 142.1°E | Nameless | 10 | 1001 | |
| 1979-10-02 12:00:00 | 12.4°N | 141.4°E | Nameless | 10 | 1000 | |
| 1979-10-02 18:00:00 | 13.2°N | 140.8°E | Nameless | 12 | 1000 | |
| 1979-10-03 00:00:00 | 14.2°N | 140.2°E | Nameless | 15 | 1000 | |
| 1979-10-03 06:00:00 | 16.1°N | 139.6°E | Nameless | 15 | 998 | |
| 1979-10-03 12:00:00 | 18°N | 138.8°E | Nameless | 15 | 998 | |
| 1979-10-03 18:00:00 | 19.4°N | 137.6°E | Nameless | 15 | 998 | |
| 1979-10-04 00:00:00 | 20.6°N | 136.3°E | Nameless | 17 | 992 | |
| 1979-10-04 06:00:00 | 21.2°N | 135.3°E | Tropical Storm | 20 | 985 | |
| 1979-10-04 12:00:00 | 21.5°N | 134.4°E | Tropical Storm | 20 | 985 | |
| 1979-10-04 18:00:00 | 21°N | 133.5°E | Tropical Storm | 23 | 985 | |
| 1979-10-05 00:00:00 | 19.9°N | 134.2°E | Tropical Storm | 23 | 992 | |
| 1979-10-05 06:00:00 | 20.3°N | 135.2°E | Tropical Storm | 23 | 992 | |
| 1979-10-05 12:00:00 | 21.5°N | 135.5°E | Tropical Storm | 23 | 992 | |
| 1979-10-05 18:00:00 | 22.8°N | 135.3°E | Tropical Storm | 23 | 992 | |
| 1979-10-06 00:00:00 | 23.8°N | 134.7°E | Tropical Storm | 23 | 992 | |
| 1979-10-06 06:00:00 | 25.2°N | 134.4°E | Tropical Storm | 23 | 992 | |
| 1979-10-06 12:00:00 | 26.8°N | 135.3°E | Tropical Storm | 23 | 992 | |
| 1979-10-06 18:00:00 | 29.1°N | 136.2°E | Tropical Storm | 20 | 992 | |
| 1979-10-07 00:00:00 | 32°N | 137.4°E | Nameless | 17 | 992 | |
| 1979-10-07 06:00:00 | 34.4°N | 140.1°E | Nameless | 15 | 992 |
Typhoon Sarah's international code is 197917, is the 17th Typhoon of 1979, international name SARAH.
Typhoon Sarah peak intensity is Tropical Storm, max wind 23m/s, minimum central pressure 985 hPa.
According to records, Typhoon Sarah is not in our coastal landfall.
TyphoonSays (taifengshuo.com) provides typhoon Sarah's Track history map, multinational meteorological agency Forecast comparison, windshield range with IntensityTrend, page address: https://taifengshuo.com/typhoon/197917.
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