The SummaryTyphoon Nancy (international code 197914) is a 1979 Northwest Pacific typhoon; peak intensity Tropical Storm, max wind 23m/s, minimum central pressure 992hPa, not in China Landfall, 1979-09-22 was numbered off, recording 21 track points.
Typhoon Nancy, international code 197914, international name NANCY, 1979 Northwest Pacific typhoon. Formed: 1979-09-17 12:00:00, ended: 1979-09-22 12:00:00. Peak intensity: Tropical Storm, minimum central pressure: 992 hPa, max wind: 23m/s.
Typhoon Nancy at 1979-09-17 12:00:00 at 16°N, 113°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 992hPa, recorded at 1979-09-19 18:00:00.
1979-09-22 12:00:00 After, Typhoon Nancy gradually weakened and was numbered off on 1979-09-22 12:00:00 was numbered off; its lifecycle recorded 21 track points.
1979年第14号Typhoon “Nancy”的生命史始 at S海中部海域, 整体路径呈现稳定的WN至SWTrend, 未出现明显的转 toward 或折返现象. formed初期 (9月17日12时至18日12时) , 系统中心位 at lat 16°-18.1°N, 113°-111.5°之间, 主要 toward NW direction缓慢推进. 随后, 自9月18日18时起, Moving direction逐渐转为W, 并伴随轻微的S toward 分量. 在9月19日至20日期间, 系统维持 toward WMoving, 穿越Hainan岛以E海域, 但未Landfall任何陆地. Go to 生命末期 (9月21日至22日) , 受环境引导气流影响, 路径进一步调整为SW direction, 最终 at 9月22日12时在VietnamE部近海 (16.9°N, 106.7°E) 附近减弱消散. 整个过程中, track points分布较为密集且连续, 显示其Moving速度相对平稳, 无剧烈加速或停滞迹象.
从Intensity变化来看, “Nancy”属 at 典型的弱热带气旋. 系统在 formed初期维持NamelessIntensity (Max Wind10-12m/s) , 经过约两天的缓慢增强, at 9月19日18时达到巅峰状态, 升级为Tropical Storm, max wind 录得23m/s. 值得注意的是, 该peak intensity维持Time极短, 仅6h后 (9月20日00时) 便重新 weakened into Nameless, 并在随后的三天内持续缓慢衰减, 直至消散前wind speed降至10m/s. 全程最低气压数据缺失, 但依据wind speed判断, 其结构松散, 能量积累有限.
Compared to the same name History, the 1979 'Nancy' Intensity is significantly weaker.Return to historical data, in 1982, 1986 and 1989 the same name Typhoon both reached the Typhoon or Super Typhoon level, of which in 1982 also reached the Super Typhoon Intensity; even the weaker 1976 'Nancy', also reached the Severe Tropical Storm level.
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 1979-09-17 12:00:00 | 16°N | 113°E | Nameless | 10 | 1006 | |
| 1979-09-17 18:00:00 | 16.8°N | 112.2°E | Nameless | 10 | 1006 | |
| 1979-09-18 00:00:00 | 17.3°N | 111.5°E | Nameless | 10 | 1006 | |
| 1979-09-18 06:00:00 | 17.7°N | 111.5°E | Nameless | 12 | 1004 | |
| 1979-09-18 12:00:00 | 18.1°N | 111.5°E | Nameless | 12 | 1004 | |
| 1979-09-18 18:00:00 | 18.6°N | 111.7°E | Nameless | 15 | 1004 | |
| 1979-09-19 00:00:00 | 18.8°N | 111.6°E | Nameless | 15 | 1002 | |
| 1979-09-19 06:00:00 | 18.6°N | 111.2°E | Nameless | 17 | 998 | |
| 1979-09-19 12:00:00 | 18.6°N | 110.7°E | Nameless | 17 | 994 | |
| 1979-09-19 18:00:00 | 18.7°N | 110.3°E | Tropical Storm | 23 | 994 | |
| 1979-09-20 00:00:00 | 18.7°N | 109.7°E | Nameless | 17 | 994 | |
| 1979-09-20 06:00:00 | 18.4°N | 109.4°E | Nameless | 17 | 994 | |
| 1979-09-20 12:00:00 | 18.2°N | 109.3°E | Nameless | 17 | 992 | |
| 1979-09-20 18:00:00 | 17.9°N | 109°E | Nameless | 17 | 992 | |
| 1979-09-21 00:00:00 | 17.7°N | 108.7°E | Nameless | 17 | 992 | |
| 1979-09-21 06:00:00 | 17.6°N | 108.3°E | Nameless | 17 | 992 | |
| 1979-09-21 12:00:00 | 17.4°N | 107.9°E | Nameless | 17 | 994 | |
| 1979-09-21 18:00:00 | 17.3°N | 107.6°E | Nameless | 15 | 994 | |
| 1979-09-22 00:00:00 | 17.2°N | 107.3°E | Nameless | 15 | 996 | |
| 1979-09-22 06:00:00 | 17.1°N | 107°E | Nameless | 15 | 996 | |
| 1979-09-22 12:00:00 | 16.9°N | 106.7°E | Nameless | 10 | 998 |
Typhoon Nancy's international code is 197914, is 1979's 14th Typhoon, international name NANCY.
Typhoon Nancy peak intensity is Tropical Storm, max wind 23m/s, minimum central pressure 992 hPa.
According to records, Typhoon Nancy is not in our coastal Landfall.
TyphoonSays (taifengshuo.com) provides typhoon Nancy's Track history map, multinational meteorological agency Forecast comparison, wind range with IntensityTrend, page address: https://taifengshuo.com/typhoon/197914.
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