The SummaryTyphoon Harriet (international code 197110) is a 1971 Northwest Pacific typhoon; peak intensity Super Typhoon, max wind 64m/s, minimum central pressure 925hPa, not in China Landfall, 1971-07-07 was numbered off, recording 20 track points.
Typhoon Harriet, international code 197110, international name HARRIET, 1971 Northwest Pacific typhoon. Formed: 1971-07-02 06:00:00, ended: 1971-07-07 00:00:00. Peak intensity: Super Typhoon, minimum central pressure: 925 hPa, max wind: 64m/s.
Typhoon Harriet at 1971-07-02 06:00:00 at 10.2°N, 128.8°E over the Northwest Pacific; initial intensity: Severe Tropical Storm.
It peaked at Super Typhoon intensity with max winds of 64 m/s (~230 km/h) and a minimum central pressure of 925hPa, recorded at 1971-07-05 12:00:00.
Typhoon Harriet gradually weakened and was numbered off on 1971-07-07 00:00:00 was numbered off; its lifecycle recorded 20 track points.
Typhoon Harriet (197110)'s life began at the Northwest Pacific ocean surface, the overall path presented a stable NW toward MovingTrend. From formed early on July 2, 1971, 06:00 to July 4, 12:00, the system's center coordinates from (10.2°N, 128.8°E)Moving to (15°N, 116.4°E), while the latitude continued to N raise, the length stable W into, no apparent path turn or stagnation phenomenon. Go to maturity, Typhoon continued to maintain NW direction moving, until July 7, 00:00 to reach (17.8°N, 106.2°E). Thro the observation cycle, the Typhoon remained in marine activity, no Landfall record. Its Moving speed was relatively slow in the initial period, and
Harriet的Intensity演变经历了从Severe Tropical Storm到Super Typhoon的完整爆发过程. 初始阶段 (7月2日至3日中午) , 其Max Wind维持在25m/s, 处 at Severe Tropical Storm等级. 自7月3日18:00起, wind speed开始阶梯式上升, 经过约36h的快速增强, at 7月4日06:00升级为Typhoon (38m/s) , 随后迅速跨越Severe Typhoon级别. 7月5日00:00, 系统达到Super Typhoon标准 (51m/s) , 并在随后的12h内继续增强, at 7月5日12:00触及生命史巅峰, max wind 达64m/s. 此后, Typhoon Go to 减弱阶段, wind speed从64m/s逐步回落至7月7日的35m/s, 但直至消散前仍保持Typhoon 及以上Intensity, 显示出极强的能量维持能力.
Compared to the 9th Typhoon Harriet in 1974, the latter peak intensity is only Tropical Storm, weak at 1971 Super Typhoon level. although the same name Typhoon in 1965 and 1967 also reached Super Typhoon Intensity, but in 1971 Harriet completed a dramatic improvement from Severe Tropical Storm to 64m/s in just a few days, its explosive power and ultimately reached wind speed extremes are both at High level in the same period historical data, reflecting the thermal and dynamic conditions of the development of Northwest Pacific Typhoon at the year.
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 1971-07-02 06:00:00 | 10.2°N | 128.8°E | Severe Tropical Storm | 25 | 995 | |
| 1971-07-02 12:00:00 | 10.3°N | 128.1°E | Severe Tropical Storm | 25 | 990 | |
| 1971-07-02 18:00:00 | 10.5°N | 127.1°E | Severe Tropical Storm | 25 | 995 | |
| 1971-07-03 00:00:00 | 10.8°N | 125.7°E | Severe Tropical Storm | 25 | 990 | |
| 1971-07-03 06:00:00 | 11.7°N | 124.1°E | Severe Tropical Storm | 25 | 990 | |
| 1971-07-03 12:00:00 | 12.5°N | 122.8°E | Severe Tropical Storm | 25 | 985 | |
| 1971-07-03 18:00:00 | 12.9°N | 121.3°E | Severe Tropical Storm | 28 | 985 | |
| 1971-07-04 00:00:00 | 13.5°N | 119.8°E | Severe Tropical Storm | 30 | 985 | |
| 1971-07-04 06:00:00 | 14.3°N | 118.2°E | Typhoon | 38 | 980 | |
| 1971-07-04 12:00:00 | 15°N | 116.4°E | Severe Typhoon | 43 | 975 | |
| 1971-07-04 18:00:00 | 15.2°N | 114.7°E | Severe Typhoon | 46 | 970 | |
| 1971-07-05 00:00:00 | 15.5°N | 113.5°E | Super Typhoon | 51 | 955 | |
| 1971-07-05 06:00:00 | 15.9°N | 112.3°E | Super Typhoon | 59 | 940 | |
| 1971-07-05 12:00:00 | 16.2°N | 110.9°E | Super Typhoon | 64 | 925 | |
| 1971-07-05 18:00:00 | 16.5°N | 109.6°E | Super Typhoon | 61 | 925 | |
| 1971-07-06 00:00:00 | 16.7°N | 108.7°E | Super Typhoon | 59 | 935 | |
| 1971-07-06 06:00:00 | 16.9°N | 107.9°E | Super Typhoon | 51 | 945 | |
| 1971-07-06 12:00:00 | 17.1°N | 107.5°E | Severe Typhoon | 46 | 960 | |
| 1971-07-06 18:00:00 | 17.3°N | 106.9°E | Typhoon | 41 | 980 | |
| 1971-07-07 00:00:00 | 17.8°N | 106.2°E | Typhoon | 35 | 990 |
Typhoon Harriet's international code is 197110, is the 10th Typhoon of 1971, international name HARRIET.
Typhoon Harriet peak intensity is Super Typhoon, max wind 64m/s, minimum central pressure 925 hPa.
According to records, Typhoon Harriet is not in our coastal landfall.
TyphoonSays (taifengshuo.com) provides typhoon Harriet's Track history map, multinational meteorological agency Forecast comparison, wind range with IntensityTrend, page address: https://taifengshuo.com/typhoon/197110.
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