The SummaryTyphoon Norris (international code 198630) is a 1986 Northwest Pacific typhoon; peak intensity Severe Typhoon, max wind 46m/s, minimum central pressure 955hPa, not in China Landfall, 1986-12-31 was numbered off, recorded 41 track points.
Typhoon Norris, international code 198630, international name NORRIS, 1986 Northwest Pacific typhoon. Formed: 1986-12-21 18:00:00, ended: 1986-12-31 18:00:00. Peak intensity: Severe Typhoon, minimum central pressure: 955 hPa, max wind: 46m/s.
Typhoon Norris at 1986-12-21 18:00:00 at 8.6°N, 166.9°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 955hPa, recorded at 1986-12-29 00:00:00.
1986-12-31 18:00:00 After, Typhoon Norris gradually weakened and was numbered off on 1986-12-31 18:00:00 was numbered off; its lifecycle recorded 41 track points.
Typhoon Norris (198630) 的生命史始 at 1986年12月21日18时, formed at Northwest Pacific远洋海域 (8.6°N, 166.9°E) . 在初始阶段, 系统维持NamelessIntensity, 并呈现出稳定的WNMovingTrend. 从12月21日至12月27日期间, Typhoon 中心The latitude由8.6°N缓慢N抬至12.5°N, During则从166.9°E大幅W进至139.6°E, 表明其主要受低层信风引导, 路径平直且稳定.
It is worth noting that the Typhoon occurred a significant latitude twist between December 28th and December 29th. On December 28th at 12, the Center reached the maximum N-end at 13.9°N, then slightly S dropped to 13.2°N on December 29th at 06:00, then continued toward S adjustment. This minor twist of the previous N-after-S usually suggests fluctuations in the high-tropical high-pressure backline or subtle changes in the environmental wind field. Go to the end of the life period (after December 30th) , the system accelerated toward WMoving, the length rapidly advanced from 134.5°E to 123.3°E, and eventually debilitated in the Philippines by the ocean.
Norris的Intensity发展经历了典型的“ formed-增强-巅峰-减弱”过程. 系统在12月24日00时 intensified into Tropical Storm (20m/s) , 随后稳步增强. 12月27日00时升级为Severe Tropical Storm, 同日18时达到Typhoon 级 (33m/s) . Intensity爆发期集中在12月28日至29日, max wind 在36h内从41m/s跃升至46m/s, at 12月29日06时达到Severe Typhoon级别的peak intensity.
After the peak, under the influence of unknown environmental factors, the intensity rapidly decreased. December 30 at 00 am back to Typhoon level (41m/s) , at 18 am further weakened into Severe Tropical Storm (30m/s) , to December 31 at 18 am has been downgraded to Nameless (17m/s) .
In contrast to the same name, the 12th Typhoon Norris in 1980 also reached the Severe Typhoon level. although both generations of 'Norris' have strong explosion potential, but the 1986 Typhoon completed the complete Intensity cycle in the far ocean, and the Max Wind record is clearly 46m/s, demonstrating the late season Typhoon still has significant development capacity under suitable sea temperature conditions.
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 1986-12-21 18:00:00 | 8.6°N | 166.9°E | Nameless | 15 | 1002 | |
| 1986-12-22 06:00:00 | 9.2°N | 165.5°E | Nameless | 15 | 1000 | |
| 1986-12-22 18:00:00 | 10.1°N | 163.5°E | Nameless | 15 | 1000 | |
| 1986-12-23 06:00:00 | 11°N | 161.5°E | Nameless | 15 | 998 | |
| 1986-12-23 18:00:00 | 11.5°N | 159.3°E | Tropical Storm | 20 | 998 | |
| 1986-12-24 06:00:00 | 11.6°N | 156.8°E | Tropical Storm | 20 | 998 | |
| 1986-12-24 18:00:00 | 11.3°N | 153.9°E | Tropical Storm | 20 | 1000 | |
| 1986-12-25 06:00:00 | 10.3°N | 151.6°E | Tropical Storm | 23 | 998 | |
| 1986-12-25 18:00:00 | 10.2°N | 149.2°E | Tropical Storm | 23 | 994 | |
| 1986-12-26 06:00:00 | 10.9°N | 147.3°E | Severe Tropical Storm | 25 | 992 | |
| 1986-12-26 18:00:00 | 11.7°N | 144.8°E | Severe Tropical Storm | 28 | 990 | |
| 1986-12-27 06:00:00 | 11.8°N | 142.2°E | Typhoon | 33 | 985 | |
| 1986-12-27 18:00:00 | 12.5°N | 139.6°E | Typhoon | 33 | 980 | |
| 1986-12-28 06:00:00 | 13.6°N | 138.3°E | Typhoon | 38 | 970 | |
| 1986-12-28 18:00:00 | 13.8°N | 137.5°E | Severe Typhoon | 43 | 955 | |
| 1986-12-29 06:00:00 | 13.2°N | 136.9°E | Severe Typhoon | 46 | 965 | |
| 1986-12-29 18:00:00 | 11.9°N | 135.6°E | Typhoon | 41 | 975 | |
| 1986-12-30 06:00:00 | 10.5°N | 133.2°E | Typhoon | 38 | 990 | |
| 1986-12-30 18:00:00 | 10°N | 130.1°E | Severe Tropical Storm | 30 | 996 | |
| 1986-12-31 06:00:00 | 10°N | 126.7°E | Severe Tropical Storm | 25 | 996 | |
| 1986-12-31 18:00:00 | 10.4°N | 123.3°E | Nameless | 17 | 998 |
Sampled rows shown; all 41 track points are available on the interactive map or via the public API .
Typhoon Norris' international code is 198630, is the 30th Typhoon of 1986, international name NORRIS.
Typhoon Norris peak intensity is Severe Typhoon, max wind 46m/s, minimum central pressure 955 hPa.
According to records, Typhoon Norris is not in our coastal landfall.
TyphoonSays (taifengshuo.com) provides typhoon Norris' Track history map, multinational meteorological agency Forecast comparison, wind range with IntensityTrend, page address: https://taifengshuo.com/typhoon/198630.
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