The SummaryTyphoon Helen (international code 197214) is a 1972 Northwest Pacific typhoon; peak intensity Super Typhoon, max wind 51m/s, minimum central pressure 955hPa, not in China Landfall, 1972-09-21 was numbered off, recorded 37 track points.
Typhoon Helen, international code 197214, international name HELEN, 1972 Northwest Pacific typhoon. Formed: 1972-09-12 00:00:00, ended: 1972-09-21 00:00:00. Peak intensity: Super Typhoon, minimum central pressure: 955 hPa, max wind: 51m/s.
Typhoon Helen at 1972-09-12 00:00:00 at 13°N, 138.5°E over the Northwest Pacific; initial intensity: Nameless.
It peaked at Super Typhoon intensity with max winds of 51 m/s (~184 km/h) and a minimum central pressure of 955hPa, recorded at 1972-09-16 06:00:00.
Typhoon Helen gradually weakened and was numbered off on 1972-09-21 00:00:00 was numbered off; its lifecycle recorded 37 track points.
Typhoon Helen (197214) 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12日至14日) , 系统自13°N, 138.5°E附近 toward NW direction稳定Moving, The latitude从13°N迅速N抬至19.4°N, DuringW移约5个经度, 显示其受副热带高压S侧引导气流影响显著. 9月15日至16日期间, 路径出现关键转折. 在到达27°N, 132.5°E附近后, Typhoon Moving direction由NW转为N, 随后迅速转 toward NE. 特别是在9月16日12时, Center跃升至34.4°N, 136°E, 表明其加速Go to W风带并受到槽前SW气流的牵引. 此后, 系统持续 toward NE direction深入高纬度海域, 最终 at 9月21日在44°N, 147.7°E附近消散. 整个过程中, Typhoon 未Landfall任何陆地, 全程在海上活动.
Helen's Intensity evolution experienced rapid enhancement, peak maintenance and moderate band variability weakening in three stages. Initial phase was Nameless, intensified into Severe Tropical Storm on September 13, and developed into Typhoon on September 14 . At 18 a.m. on September 15, the center at 27°N reached Severe Typhoon level, wind speed at 43m/s, then continued to increase to peak, max wind recorded 51m/s, rating as Super Typhoon. However, with the rapid latitude rise N, environmental temperature decreases and vertical wind shifts increase, the system began to weaken significantly after September 16th, by Typhoon downgraded to Severe Tropical Storm, and at September 18 further weakened into Nameless.
In comparison with the same name History, Helen's Intensity was significantly higher in 1972 at other years of the same type named Typhoon . Data showed that in 1995 Helen was only Typhoon level, in 1992, 1975 and 1966 Helen only reached Tropical Storm or Severe Tropical StormIntensity respectively. in 1972 Helen not only reached Super Typhoon level, and Max Wind51m/s far above the rest of the previous time the same name Typhoon , showing that the system has a strong energy accumulation and explosive capacity, is the most notable process in the series of the same name Intensity.
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 1972-09-12 00:00:00 | 13°N | 138.5°E | Nameless | 12 | 1004 | |
| 1972-09-12 12:00:00 | 14°N | 137.8°E | Nameless | 15 | 1004 | |
| 1972-09-13 00:00:00 | 15°N | 136.9°E | Nameless | 15 | 990 | |
| 1972-09-13 12:00:00 | 16.7°N | 135.5°E | Severe Tropical Storm | 25 | 975 | |
| 1972-09-14 00:00:00 | 18.5°N | 133.9°E | Severe Tropical Storm | 28 | 975 | |
| 1972-09-14 12:00:00 | 20.1°N | 132.4°E | Typhoon | 35 | 965 | |
| 1972-09-15 00:00:00 | 22.1°N | 131.8°E | Typhoon | 38 | 960 | |
| 1972-09-15 12:00:00 | 25.1°N | 132°E | Typhoon | 41 | 955 | |
| 1972-09-16 00:00:00 | 29.3°N | 133.5°E | Severe Typhoon | 46 | 960 | |
| 1972-09-16 12:00:00 | 34.4°N | 136°E | Typhoon | 33 | 960 | |
| 1972-09-17 00:00:00 | 39.5°N | 139°E | Severe Tropical Storm | 28 | 982 | |
| 1972-09-17 12:00:00 | 42.9°N | 139.8°E | Severe Tropical Storm | 25 | 978 | |
| 1972-09-18 00:00:00 | 43.2°N | 138.2°E | Severe Tropical Storm | 28 | 980 | |
| 1972-09-18 12:00:00 | 42.9°N | 137.6°E | Nameless | 17 | 980 | |
| 1972-09-19 00:00:00 | 42.1°N | 138.2°E | Nameless | 15 | 990 | |
| 1972-09-19 12:00:00 | 42°N | 139.7°E | Nameless | 15 | 998 | |
| 1972-09-20 00:00:00 | 42.3°N | 140.8°E | Nameless | 10 | 1000 | |
| 1972-09-20 12:00:00 | 42.8°N | 143.3°E | Nameless | 7 | 1006 | |
| 1972-09-21 00:00:00 | 44°N | 147.7°E | Nameless | 10 | 1012 |
Sampled rows shown; all 37 track points are available on the interactive map or via the public API .
Typhoon Helen's international code is 197214, is 1972 number 14 Typhoon, international name HELEN.
Typhoon Helen peak intensity is Super Typhoon, max wind 51m/s, minimum central pressure 955 hPa.
According to records, Typhoon Helen is not in our coastal landfall.
TyphoonSays (taifengshuo.com) provides typhoon Helen's Track history map, multinational meteorological agency Forecast comparison, windshield range with IntensityTrend, page address: https://taifengshuo.com/typhoon/197214.
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