The SummaryTyphoon Mamie (international code 197502) is a 1975 Northwest Pacific typhoon; peak intensity Tropical Storm, max wind 20m/s, minimum central pressure 992hPa, not in China Landfall, 1975-07-30 was numbered off, recorded 19 track points.
Typhoon Mamie, international code 197502, international name MAMIE, 1975 Northwest Pacific typhoon. Formed: 1975-07-26 00:00:00, ended: 1975-07-30 12:00:00. Peak intensity: Tropical Storm, minimum central pressure: 992 hPa, max wind: 20m/s.
Typhoon Mamie at 1975-07-26 00:00:00 at 19.1°N, 144.2°E over the Northwest Pacific; initial intensity: Nameless.
It peaked at Tropical Storm intensity with max winds of 20 m/s (~72 km/h) and a minimum central pressure of 992hPa, recorded at 1975-07-28 12:00:00.
1975-07-30 12:00:00 After, Typhoon Mamie gradually weakened and was numbered off on 1975-07-30 12:00:00 was numbered off; its lifecycle recorded 19 track points.
Typhoon Mamie (197502)'s life cycle began at the Northwest Pacific surface, the overall path showed a stable NW toward MovingTrend, then gradually shifted toward N direction. From the formed moment (July 26, 1975, 00, 19.1°N, 144.2°E) to July 28, 12th, the system mainlyined the WNW's Moving direction, the latitude from 19.1°N slowly increased to 25.6°N, the length moved from 144.2°EW to 136.8°E. During this period, the system's cross-toward range was larger, showing the typical characteristics of sub-tropical high-pressure S-side guided gas flows.
As the latitude continues to N increase, the length W shift rate slows down and gradually turns toward NMoving dominated. especially in the period from July 29, 18 to July 30, 12, the latitude rapidly jumped from 29.3°N to 33.8°N, while the length only varies from 131.5°E to 127°E, indicating that after the system Go to the high latitude, influenced by the pre-W wind belt air flow, Moving direction significantly deviated toward NE or N. During the entire life cycle, the Typhoon did not landfall any land, always in marine activity, and finally at July 30, 12 at 33.8°N, 127°E weakened dispersion.
在Intensity方面, Mamie (197502) 整体Intensity较弱, 巅峰状态仅为Tropical Storm级别. 系统在 formed初期至7月27日期间维持NamelessIntensity, max wind 保持在12-15m/s. 直到7月28日06时, wind speed增至17m/s, 并 at 同日12时达到peak intensity, max wind 为20m/s, 定性为Tropical Storm. 然而, 这一巅峰状态极为短暂, 仅维持约6h后, at 7月28日18时wind speed回落至17m/s, 重新降级为Nameless, 并在后续过程中wind speed在12-15m/s之间波动, 直至生命结束.
Historical records show that in 1985, 1978 and 1968 the same name Typhoon both reached 'Typhoon' level peak intensity, while in 1988 Mumie although only for Tropical Storm, but in 1975 this process not only peak wind speed lower, andined high IntensityTime extremely short.
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 1975-07-26 00:00:00 | 19.1°N | 144.2°E | Nameless | 12 | 1004 | |
| 1975-07-26 06:00:00 | 20.1°N | 144.1°E | Nameless | 12 | 1000 | |
| 1975-07-26 12:00:00 | 21.1°N | 143.9°E | Nameless | 12 | 1000 | |
| 1975-07-26 18:00:00 | 22°N | 143.1°E | Nameless | 12 | 1002 | |
| 1975-07-27 00:00:00 | 22.6°N | 142.4°E | Nameless | 15 | 1002 | |
| 1975-07-27 06:00:00 | 23.2°N | 141.5°E | Nameless | 15 | 998 | |
| 1975-07-27 12:00:00 | 23.9°N | 140.8°E | Nameless | 15 | 994 | |
| 1975-07-27 18:00:00 | 24.4°N | 139.9°E | Nameless | 15 | 994 | |
| 1975-07-28 00:00:00 | 24.8°N | 138.9°E | Nameless | 15 | 994 | |
| 1975-07-28 06:00:00 | 25.2°N | 137.9°E | Nameless | 17 | 996 | |
| 1975-07-28 12:00:00 | 25.6°N | 136.8°E | Tropical Storm | 20 | 996 | |
| 1975-07-28 18:00:00 | 26°N | 135.2°E | Nameless | 17 | 996 | |
| 1975-07-29 00:00:00 | 27°N | 133.4°E | Nameless | 12 | 998 | |
| 1975-07-29 06:00:00 | 27.4°N | 133°E | Nameless | 12 | 998 | |
| 1975-07-29 12:00:00 | 27.8°N | 132.5°E | Nameless | 12 | 998 | |
| 1975-07-29 18:00:00 | 29.3°N | 131.5°E | Nameless | 12 | 998 | |
| 1975-07-30 00:00:00 | 30.8°N | 130.5°E | Nameless | 15 | 994 | |
| 1975-07-30 06:00:00 | 32.3°N | 128.8°E | Nameless | 15 | 992 | |
| 1975-07-30 12:00:00 | 33.8°N | 127°E | Nameless | 12 | 998 |
Typhoon Mamie's international code is 197502, is the 2nd Typhoon of 1975, international name MAMIE.
Typhoon Mamie peak intensity is Tropical Storm, max wind 20m/s, minimum central pressure 992 hPa.
According to records, Typhoon Mamie is not in our coastal landfall.
TyphoonSays (taifengshuo.com) provides typhoon Mamie's Track history map, multinational meteorological agency Forecast comparison, wind range with IntensityTrend, page address: https://taifengshuo.com/typhoon/197502.
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