The SummaryTyphoon Hope (international code 197309) is a 1973 Northwest Pacific typhoon; peak intensity Tropical Storm, max wind 23m/s, minimum central pressure 998hPa, not in China Landfall, 1973-08-13 was numbered off, recording 22 track points.
Typhoon Hope, international code 197309, international name HOPE, 1973 Northwest Pacific typhoon. Formed: 1973-08-08 00:00:00, ended: 1973-08-13 06:00:00. Peak intensity: Tropical Storm, minimum central pressure: 998 hPa, max wind: 23m/s.
Typhoon Hope at 1973-08-08 00:00:00 at 22.7°N, 158.8°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 998hPa, recorded at 1973-08-10 06:00:00.
1973-08-13 06:00:00 After, Typhoon Hope gradually weakened and was numbered off on 1973-08-13 06:00:00 was numbered off; its lifecycle recorded 22 track points.
Typhoon Hope (197309)'s life began at the Northwest Pacific Ocean, presenting a stable NW toward Moving trajectory, then gradually shifting toward NE direction. From formed initial coordinates (22.7°N, 158.8°E) to August 10th 12:00 (29°N, 150.8°E) , the system was mainly influenced by the sub-tropical high-pressure S-side guided airflow, keeping toward NW direction forward.
It is worth noting that the Typhoon arrived at the most W end of the path (150.3°E) at about 18:00 on August 10, followed by a significant shift in the Moving direction. Since August 11, the system began to accelerate toward NE, the length values rapidly decreased (from 149.8°E to 142.1°E) and the latitude was rapidly pushed N to 36.5°N. This typical 'putting line' path shows that the system on N was drawn by the pre-flow of the W wind barrier, completing the turn toward process from NW toward to NE.
在Intensity变化方面, Hope表现为缓慢增强后迅速减弱的特征. formed初期为Nameless, wind speed维持在12-15m/s. 经过约两天的稳定发展, at 8月10日00:00增强为Tropical Storm, 并在6h后达到peak intensity, max wind 录得23m/s. 然而, 其巅峰状态维持Time极短, 仅约12h后, 随着系统 toward NMovingGo to 较高The latitude海域, 环境条件不再利 at 其维持Intensity, wind speed开始回落. 8月11日06:00, 系统重新降级为Nameless, 此后wind speed持续递减, 直至消亡前的7m/s. 气压数据缺失, 但wind speed变化清晰反映了其短暂的生命力.
Data show that the same name Typhoon in 1985 and 1979 had reached the 'Super Typhoon' level, and in 1989 and 1982 also reached the 'Severe Tropical Storm' level.
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 1973-08-08 00:00:00 | 22.7°N | 158.8°E | Nameless | 12 | - | |
| 1973-08-08 06:00:00 | 23.5°N | 158°E | Nameless | 12 | - | |
| 1973-08-08 12:00:00 | 24.2°N | 157.2°E | Nameless | 12 | - | |
| 1973-08-08 18:00:00 | 25°N | 156.4°E | Nameless | 15 | 1010 | |
| 1973-08-09 00:00:00 | 25.7°N | 155.6°E | Nameless | 15 | 1010 | |
| 1973-08-09 06:00:00 | 26.1°N | 154.8°E | Nameless | 15 | 1010 | |
| 1973-08-09 12:00:00 | 26.5°N | 153.8°E | Nameless | 15 | 1010 | |
| 1973-08-09 18:00:00 | 27°N | 152.8°E | Nameless | 17 | 1000 | |
| 1973-08-10 00:00:00 | 27.7°N | 152°E | Tropical Storm | 20 | 998 | |
| 1973-08-10 06:00:00 | 28.3°N | 151.4°E | Tropical Storm | 23 | 1002 | |
| 1973-08-10 12:00:00 | 29°N | 150.8°E | Tropical Storm | 20 | 1006 | |
| 1973-08-10 18:00:00 | 29.6°N | 150.3°E | Tropical Storm | 20 | 1002 | |
| 1973-08-11 00:00:00 | 30.3°N | 149.8°E | Tropical Storm | 20 | 1000 | |
| 1973-08-11 06:00:00 | 30.8°N | 149.1°E | Nameless | 17 | 1000 | |
| 1973-08-11 12:00:00 | 31.3°N | 148.3°E | Nameless | 15 | 1000 | |
| 1973-08-11 18:00:00 | 31.7°N | 147.4°E | Nameless | 15 | 1000 | |
| 1973-08-12 00:00:00 | 32.2°N | 146°E | Nameless | 15 | 1000 | |
| 1973-08-12 06:00:00 | 32.9°N | 144.8°E | Nameless | 15 | 1002 | |
| 1973-08-12 12:00:00 | 33.7°N | 144.2°E | Nameless | 12 | 1008 | |
| 1973-08-12 18:00:00 | 34.5°N | 143.4°E | Nameless | 12 | 1008 | |
| 1973-08-13 00:00:00 | 35.4°N | 142.5°E | Nameless | 10 | 1010 | |
| 1973-08-13 06:00:00 | 36.5°N | 142.1°E | Nameless | 7 | 1010 |
Typhoon Hope's international code is 197309, is 1973's 9th Typhoon, international name HOPE.
Typhoon Hope peak intensity is Tropical Storm, max wind 23m/s, minimum central pressure 998 hPa.
According to records, Typhoon Hope is not in our coastal landfall.
TyphoonSays (taifengshuo.com) provides typhoon Hope's Track history map, multinational meteorological agency Forecast comparison, windshield range and IntensityTrend, page address: https://taifengshuo.com/typhoon/197309.
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