The SummaryTyphoon Della (international code 197423) is a 1974 Northwest Pacific typhoon; peak intensity Severe Typhoon, max wind 46m/s, minimum central pressure 960hPa, not in China Landfall, 1974-10-27 was numbered off, recording 31 track points.
Typhoon Della, international code 197423, international name DELLA, 1974 Northwest Pacific typhoon. Formed: 1974-10-20 00:00:00, ended: 1974-10-27 12:00:00. Peak intensity: Severe Typhoon, minimum central pressure: 960 hPa, max wind: 46m/s.
Typhoon Della at 1974-10-20 00:00:00 at 13°N, 134.8°E over the Northwest Pacific; initial intensity: Nameless.
It peaked at Severe Typhoon intensity with max winds of 46 m/s (~166 km/h) and a minimum central pressure of 960hPa, recorded at 1974-10-25 06:00:00.
1974-10-27 12:00:00 After, Typhoon Della gradually weakened and was numbered off on 1974-10-27 12:00:00 was numbered off; its lifecycle recorded 31 track points.
Typhoon Della (197423) 的生命史始 at 1974年10月20日00时, formedPosition位 at lat 13°N, 134.8°附近. 在初始阶段, 系统呈现明显的W行Trend, 从10月20日至21日期间, The latitude在12.5°N至13°N之间小幅波动, During快速 toward W推进至129.2°E. 随着系统 toward NW, 其路径在10月22日后逐渐显现出 toward N的分量. 值得注意的是, 该Typhoon 在10月23日00时到达lat 19.4°后, 出现了一次短暂的S折调整, 随后 at 10月24日至25日期间维持在W纬18°附近的狭小范围内EW toward 摆动, 这一阶段路径较为曲折. Go to 10月26日后, 系统重新转为稳定的WNW, 最终 at 10月27日12时在Vietnam以E洋面减弱消散. 整个生命周期内, Typhoon Della未Landfall任何陆地, 始终在海上活动, 路径整体呈“W行-NW行-近岸平行W行”的特征.
从Intensity变化来看, Typhoon Della经历了一个典型的“ formed-增强-巅峰-减弱”过程. 初始为Nameless (10m/s) , 经过约36h的快速加强, at 10月21日12时升级为Tropical Storm. 随后Intensity持续攀升, 10月23日达到Typhoon 级别 (35m/s) . 在10月25日00时至12时期间, 系统达到生命史中的peak intensity, max wind 录得46m/s, 定性为Severe Typhoon. 巅峰状态维持Time较短, 随后受环境因素影响迅速减弱, 10月26日12时已降格为Severe Tropical Storm, 至消散前仅维持NamelessIntensity.
Compared to the previously named Typhoon, the 1974 Intensity of Dell at a medium upward level. Compared to the 1978 Dell (top only for Tropical Storm) and the 1971 Dell (top for Typhoon), the 1974 system Intensity is significantly stronger; but compared to the 1968 and 1963 Super Typhoon level Dell, its peak intensity (46m/s) still has a significant gap.
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 1974-10-20 00:00:00 | 13°N | 134.8°E | Nameless | 10 | 1006 | |
| 1974-10-20 12:00:00 | 12.5°N | 132°E | Nameless | 10 | 1006 | |
| 1974-10-21 00:00:00 | 12.8°N | 129.2°E | Nameless | 17 | 1000 | |
| 1974-10-21 12:00:00 | 14.5°N | 126.8°E | Tropical Storm | 23 | 992 | |
| 1974-10-22 00:00:00 | 16.3°N | 125.2°E | Severe Tropical Storm | 28 | 990 | |
| 1974-10-22 12:00:00 | 18.3°N | 124.2°E | Severe Tropical Storm | 30 | 980 | |
| 1974-10-23 00:00:00 | 19.4°N | 122.3°E | Typhoon | 35 | 975 | |
| 1974-10-23 12:00:00 | 19°N | 120.9°E | Typhoon | 35 | 970 | |
| 1974-10-24 00:00:00 | 18.1°N | 119.7°E | Typhoon | 38 | 965 | |
| 1974-10-24 12:00:00 | 17.9°N | 118.1°E | Typhoon | 38 | 965 | |
| 1974-10-25 00:00:00 | 18°N | 115.8°E | Severe Typhoon | 43 | 965 | |
| 1974-10-25 12:00:00 | 18.3°N | 113.2°E | Severe Typhoon | 46 | 960 | |
| 1974-10-26 00:00:00 | 19°N | 110.9°E | Typhoon | 41 | 975 | |
| 1974-10-26 12:00:00 | 19.5°N | 108.4°E | Severe Tropical Storm | 25 | 996 | |
| 1974-10-27 00:00:00 | 19.6°N | 105.8°E | Nameless | 17 | 1000 | |
| 1974-10-27 12:00:00 | 19.5°N | 103°E | Nameless | 10 | 1004 |
Sampled rows shown; all 31 track points are available on the interactive map or via the public API .
Typhoon Della's international code is 197423, is the 23rd Typhoon of 1974, international name DELLA.
Typhoon Della peak intensity is Severe Typhoon, max wind 46m/s, minimum central pressure 960 hPa.
According to records, Typhoon Della is not in our coastal landfall.
TyphoonSays (taifengshuo.com) provides typhoon Della's Track history map, multinational meteorological agency Forecast comparison, wind range with IntensityTrend, page address: https://taifengshuo.com/typhoon/197423.
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