The SummaryTyphoon Fran (international code 197010) is a 1970 Northwest Pacific typhoon; peak intensity Severe Tropical Storm, max wind 28m/s, minimum central pressure 975hPa, not in China Landfall, 1970-09-08 was numbered off, recording 15 track points.
Typhoon Fran, international code 197010, international name FRAN, 1970 Northwest Pacific typhoon. Formed: 1970-09-04 12:00:00, ended: 1970-09-08 00:00:00. Peak intensity: Severe Tropical Storm, minimum central pressure: 975 hPa, max wind: 28m/s.
Typhoon Fran at 1970-09-04 12:00:00 at 20.6°N, 127.7°E over the Northwest Pacific; initial intensity: Nameless.
It peaked at Severe Tropical Storm intensity with max winds of 28 m/s (~101 km/h) and a minimum central pressure of 975hPa, recorded at 1970-09-06 12:00:00.
Typhoon Fran gradually weakened and was numbered off on 1970-09-08 00:00:00 was numbered off; its lifecycle recorded 15 track points.
Typhoon Fran (197010) 的生命史始 at Northwest Pacific洋面, 整体路径呈现显著的“先NE后SW”的折线型特征. formed初期 (9月4日12时至5日12时) , 系统自初始Position (20.6°N, 127.7°E) toward NE direction快速Moving, The latitude在30h内由20.6°N迅速攀升至24.2°N, During同步E移至130.0°E附近, 显示出受副热带高压S侧引导气流或W风带槽前气流影响的典型特征.
At about 18:00 on September 5th, Typhoon showed a noticeable path twist near 25.6°N, 128.8°E. Then, Moving direction turned to W, and gradually toward W advanced. From 6th September 00:00 to 8th September 00:00, the system continued toward W across the E sea area, latitude from 26.5°N slowly S to 25.2°N, length then from 126.7°E significantly W to 118.3°E. Thro the process, Typhoon did not landfall any land, and eventually weakened dispersion in the sea area of Taiwan Strait N. This wide-angle path of rotation is more special, suggesting the drastic adjustment of the medium-term atmospheric flow, which may involve high cracks or W wind tanks resulting in the reverse direction
In terms of intensity changes, Typhoon Fran experienced rapid improvement, platform maintenance and slow weakening in three phases. Starting from Nameless (17m/s) on September 4, the system rapidly intensified into Severe Tropical Storm within 36h, max wind reaching 25m/s. It is worth noting that from September 5, 00 to September 6, 18, Typhoonined at Severe Tropical Storm for 60h, wind speed stabilized at 25m/s, and reached peak intensity 28m/s on September 6, 12th.
Its peak intensity (Severe Tropical Storm, 28m/s) weak at 1976 Fran (Super Typhoon), but strong at 1973 Fran (Tropical Storm) . Compared to 1967 Fran (Severe Tropical Storm), the two peak levels are the same, but the 1970 system path is more curved andins a high IntensityTime in life history.
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 1970-09-04 12:00:00 | 20.6°N | 127.7°E | Nameless | 17 | 995 | |
| 1970-09-04 18:00:00 | 20.9°N | 128.6°E | Tropical Storm | 20 | 994 | |
| 1970-09-05 00:00:00 | 21.7°N | 129.5°E | Severe Tropical Storm | 25 | 990 | |
| 1970-09-05 06:00:00 | 22.9°N | 130.1°E | Severe Tropical Storm | 25 | 990 | |
| 1970-09-05 12:00:00 | 24.2°N | 130°E | Severe Tropical Storm | 25 | 985 | |
| 1970-09-05 18:00:00 | 25.6°N | 128.8°E | Severe Tropical Storm | 25 | 980 | |
| 1970-09-06 00:00:00 | 26.5°N | 126.7°E | Severe Tropical Storm | 25 | 975 | |
| 1970-09-06 06:00:00 | 26.2°N | 124.7°E | Severe Tropical Storm | 25 | 980 | |
| 1970-09-06 12:00:00 | 25.9°N | 123°E | Severe Tropical Storm | 28 | 980 | |
| 1970-09-06 18:00:00 | 25.3°N | 121.8°E | Severe Tropical Storm | 25 | 980 | |
| 1970-09-07 00:00:00 | 24.9°N | 120.8°E | Tropical Storm | 23 | 985 | |
| 1970-09-07 06:00:00 | 24.8°N | 120.1°E | Tropical Storm | 23 | 985 | |
| 1970-09-07 12:00:00 | 24.8°N | 119.5°E | Tropical Storm | 20 | 990 | |
| 1970-09-07 18:00:00 | 25°N | 118.9°E | Tropical Storm | 20 | 996 | |
| 1970-09-08 00:00:00 | 25.2°N | 118.3°E | Nameless | 15 | 996 |
Typhoon Fran's international code is 197010, is 1970's 10th Typhoon, international name FRAN.
Typhoon Fran peak intensity is Severe Tropical Storm, max wind 28m/s, minimum central pressure 975 hPa.
According to records, Typhoon Fran is not in our coastal landfall.
TyphoonSays (taifengshuo.com) provides typhoon Fran's Track history map, multinational meteorological agency Forecast comparison, windshield range with IntensityTrend, page address: https://taifengshuo.com/typhoon/197010.
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