Typhoon Dolphin, international code 201507, international name Dolphin, 2015年Northwest PacificTyphoon . formedTime: 2015-05-09 20:00:00, 结束Time: 2015-05-20 14:00:00. peak intensity: Super Typhoon, 最低Pressure: 925 hPa, max wind : 58m/s.
Typhoon Dolphin at 2015-05-09 20:00:00 at 5.4°, lng 161.8° over the Northwest Pacific; initial intensity: Tropical Storm.
It peaked at Super Typhoon intensity with max winds of 58 m/s (~209 km/h) and a minimum central pressure of 925hPa, recorded at 2015-05-16 20:00:00.
Typhoon Dolphin gradually weakened and was numbered off on 2015-05-20 14:00:00 was numbered off; its lifecycle recorded 44 track points.
2015年第7号Typhoon “Dolphin” at 5月9日在Northwest Pacific低The latitude海域 formed, 初始Position位 at 5.4°N, 161.8°E. 纵观其全生命周期, 该Typhoon 呈现典型的NW toward Moving后转 toward NE的抛物线型路径. 在 formed初期至5月15日期间, 系统主要受副热带高压S侧引导气流影响, 稳定 toward NW, 纬度从5.4°N逐步提升至14.2°N, During由161.8°EW进至144.7°E. 5月16日至17日, 随着系统N上至15.8°N附近, Moving direction开始发生微妙变化, 经度W进速度减缓并逐渐转为NE direction. 5月18日后, 受W风带槽前气流影响, Typhoon 明显转 toward NE direction加速Moving, 最终 at 5月20日14时消散 at 30.1°N, 146.5°E附近. 整个生命史中, 该系统未Landfall任何陆地, 全程在开阔洋面上活动.
“Dolphin”经历了显著的快速增强过程. 从5月9日的Tropical Storm (18m/s) 起步, 经过约一周的发展, at 5月16日14时跃升为Super Typhoon, wind speed达55m/s, 气压降至930hPa. 随后在5月17日08时至18日02时达到巅峰状态, 中心最低气压低至925hPa, 最大持续wind speed维持在58m/s, 并在此高Intensity等级维持了约42h. 然而, 5月18日20时起, 随着The latitude升高及环境场改变, 其Intensity急剧衰减, 短短12h内wind speed从58m/s骤降至38m/s, 气压回升至965hPa, 此后持续减弱直至消散.
The 22nd Typhoon “Dolphin” peak intensity in 2008 was only Typhoon level (970hPa), while the 12th Typhoon “Dolphin” in 2020 peaked only to Severe Tropical Storm level (980hPa).
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 2015-05-09 20:00:00 | 5.4°N | 161.8°E | Tropical Storm | 18 | 998 | NW |
| 2015-05-10 08:00:00 | 6.2°N | 160.2°E | Tropical Storm | 18 | 998 | NNW |
| 2015-05-10 20:00:00 | 7.1°N | 159.6°E | Tropical Storm | 18 | 998 | NNW |
| 2015-05-11 08:00:00 | 8.6°N | 159.6°E | Tropical Storm | 20 | 995 | NNW |
| 2015-05-11 20:00:00 | 9.8°N | 158.7°E | Tropical Storm | 20 | 995 | W |
| 2015-05-12 08:00:00 | 10.1°N | 158.2°E | Tropical Storm | 23 | 990 | W |
| 2015-05-12 20:00:00 | 10.1°N | 157.8°E | Severe Tropical Storm | 25 | 985 | W |
| 2015-05-13 08:00:00 | 10.1°N | 156.2°E | Typhoon | 33 | 975 | W |
| 2015-05-13 20:00:00 | 10.6°N | 154.2°E | Typhoon | 40 | 960 | NWW |
| 2015-05-14 08:00:00 | 11.4°N | 152.2°E | Typhoon | 40 | 960 | NWW |
| 2015-05-14 20:00:00 | 12.5°N | 149.6°E | Typhoon | 40 | 960 | NWW |
| 2015-05-15 08:00:00 | 13.3°N | 146.8°E | Typhoon | 40 | 960 | NW |
| 2015-05-15 20:00:00 | 14.2°N | 144.7°E | Typhoon | 40 | 960 | NWW |
| 2015-05-16 08:00:00 | 15.2°N | 142.4°E | Severe Typhoon | 48 | 945 | NW |
| 2015-05-16 20:00:00 | 16.5°N | 140.6°E | Super Typhoon | 58 | 925 | NW |
| 2015-05-17 08:00:00 | 17.8°N | 139.1°E | Super Typhoon | 58 | 925 | NNW |
| 2015-05-17 20:00:00 | 19.4°N | 138.5°E | Super Typhoon | 58 | 925 | N |
| 2015-05-18 08:00:00 | 20.9°N | 138.6°E | Severe Typhoon | 48 | 945 | NNE |
| 2015-05-18 20:00:00 | 22.4°N | 138.8°E | Typhoon | 38 | 965 | NNE |
| 2015-05-19 08:00:00 | 23.8°N | 139.4°E | Typhoon | 33 | 975 | NNE |
| 2015-05-19 20:00:00 | 25.5°N | 141°E | Typhoon | 33 | 975 | NE |
| 2015-05-20 08:00:00 | 28°N | 143.9°E | Severe Tropical Storm | 28 | 982 | NE |
| 2015-05-20 14:00:00 | 30.1°N | 146.5°E | Severe Tropical Storm | 25 | 985 | NE |
Sampled rows shown; all 44 track points are available on the interactive map or via the public API .
Typhoon Dolphin’s international code is 201507, typhoon number 7 of 2015, international name Dolphin.
Typhoon Dolphinpeak intensity is Super Typhoon°E, max wind 58m/s, minimum Pressure 925 hPa.
According to records, the Typhoon Dolphin is not in our coastal Landfall.
TyphoonSays (taifengshuo.com) provides typhoon Dolphin's Track history map, multinational meteorological agency Forecast comparison, wind range with IntensityTrend, page address: https://taifengshuo.com/typhoon/201507.
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