The SummaryTyphoon Bart (international code 199912) is a 1999 Northwest Pacific typhoon; peak intensity Super Typhoon, max wind 71m/s, minimum central pressure 930hPa, not in China Landfall, 1999-09-24 was numbered off, recording 32 track points.
Typhoon Bart, international code 199912, international name BART, 1999 Northwest Pacific typhoon. Formed: 1999-09-17 00:00:00, ended: 1999-09-24 18:00:00. Peak intensity: Super Typhoon, minimum central pressure: 930 hPa, max wind: 71m/s.
Typhoon Bart at 1999-09-17 00:00:00 at 20.5°N, 129.9°E over the Northwest Pacific; initial intensity: Nameless.
It peaked at Super Typhoon intensity with max winds of 71 m/s (~256 km/h) and a minimum central pressure of 930hPa, recorded at 1999-09-22 06:00:00.
1999-09-24 18:00:00 After, Typhoon Bart gradually weakened and was numbered off on 1999-09-24 18:00:00 was numbered off; its life cycle recorded 32 track points.
Typhoon Bart (199912) 的生命史始 at Northwest Pacific洋面, 整体路径呈现显著的“先W后N再NE”的抛物线型特征. formed初期 (9月17日至18日) , 系统在20°N附近徘徊, Moving速度缓慢且 direction不定, 主要表现为微弱的 toward W及SW调整, 处 at Nameless阶段. 9月19日起, 受引导气流影响, 系统开始 toward NW direction加速Moving, The latitude从21.8°N迅速提升至23.5°N, During则由128.2°EW进至125.4°E, 显示出明确的NW行进Trend.
When the system Moving to 24°N-26°N, 125°E-127°E sea area, the path gradually shifted from NW to positive N, then further shifted toward NE. After September 23, Typhoon Go to Middle-High latitude waters, Moving direction stable to NE toward, and significantly accelerated. by September 24, 18am before dispersal, its Center had reached 41.9°N, 139.8°E, completing the complete crossing from low-latitude tropical waters toward high-latitude temperature waters.
Bart's Intensity evolution underwent a typical 'slow brewing-explosive enhancement-maintaining peak-rapid weakening' process. In the Nameless phase of September 17 to 19, the max windined at 10-17m/s. After upgrading to Typhoon at 00 on September 20, the intensity rapidly climbed, increasing from 33m/s to 56m/s in only 36h, and at 21 September at 00 reached the Super Typhoon level.
On September 23, although stillining the Super Typhoon level, but wind speed has fallen from 71m/s to 56m/s. Go to September 24, the system rapidly declined to Severe Typhoon and Severe Tropical Storm, wind speed in 24h from 46m/s to 25m/s, indicating its structure rapidly collapsed under the influence of high latitude cold sea water and vertical wind shift.
Compared with the 1996 BartTyphoon of the same name, both reached the Super Typhoon level, showing that Typhoon under the name sequence has the potential to develop extremely high intensity.
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 1999-09-17 00:00:00 | 20.5°N | 129.9°E | Nameless | 10 | 1004 | |
| 1999-09-17 12:00:00 | 20°N | 130.1°E | Nameless | 12 | 1002 | |
| 1999-09-18 00:00:00 | 19.9°N | 130.5°E | Nameless | 12 | 1000 | |
| 1999-09-18 12:00:00 | 20.3°N | 130°E | Nameless | 12 | 1000 | |
| 1999-09-19 00:00:00 | 21.8°N | 128.2°E | Nameless | 17 | 992 | |
| 1999-09-19 12:00:00 | 23.4°N | 126.2°E | Nameless | 17 | 990 | |
| 1999-09-20 00:00:00 | 23.5°N | 125.4°E | Typhoon | 33 | 985 | |
| 1999-09-20 12:00:00 | 24°N | 125.3°E | Typhoon | 41 | 970 | |
| 1999-09-21 00:00:00 | 24.2°N | 125.4°E | Super Typhoon | 56 | 955 | |
| 1999-09-21 12:00:00 | 24.6°N | 126.1°E | Super Typhoon | 59 | 945 | |
| 1999-09-22 00:00:00 | 25.5°N | 126.9°E | Super Typhoon | 66 | 935 | |
| 1999-09-22 12:00:00 | 26.3°N | 127.1°E | Super Typhoon | 71 | 930 | |
| 1999-09-23 00:00:00 | 27.9°N | 127.2°E | Super Typhoon | 61 | 930 | |
| 1999-09-23 12:00:00 | 30.2°N | 128.6°E | Super Typhoon | 56 | 935 | |
| 1999-09-24 00:00:00 | 34.5°N | 131.5°E | Severe Typhoon | 46 | 960 | |
| 1999-09-24 12:00:00 | 39.5°N | 136.5°E | Severe Tropical Storm | 30 | 970 | |
| 1999-09-24 18:00:00 | 41.9°N | 139.8°E | Severe Tropical Storm | 25 | 980 |
Sampled rows shown; all 32 track points are available on the interactive map or via the public API .
Typhoon Bart's international code is 199912, is 1999 Typehoon number 12, international name BART.
Typhoon Bart peak intensity is Super Typhoon, max wind 71m/s, minimum central pressure 930 hPa.
According to records, Typhoon Bart is not in our coastal landfall.
TyphoonSays (taifengshuo.com) provides typhoon Bart's Track history map, multinational meteorological agency Forecast comparison, windshield range with IntensityTrend, page address: https://taifengshuo.com/typhoon/199912.
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