The SummaryTyphoon Sperry (international code 198321) is a 1983 Northwest Pacific typhoon; peak intensity Severe Tropical Storm, max wind 28m/s, minimum central pressure 996hPa, not in China Landfall, 1983-12-05 was numbered off, recording 10 track points.
Typhoon Sperry, international code 198321, international name SPERRY, 1983 Northwest Pacific typhoon. Formed: 1983-12-02 18:00:00, ended: 1983-12-05 00:00:00. Peak intensity: Severe Tropical Storm, minimum central pressure: 996 hPa, max wind: 28m/s.
Typhoon Sperry at 1983-12-02 18:00:00 at 16.2°N, 132.2°E over the Northwest Pacific; initial intensity: Nameless.
It peaked at Severe Tropical Storm intensity with max winds of 28 m/s (~101 km/h) and a minimum central pressure of 996hPa, recorded at 1983-12-03 12:00:00.
1983-12-05 00:00:00 After, Typhoon Sperry gradually weakened and was numbered off on 1983-12-05 00:00:00 was numbered off; its lifecycle recorded 10 track points.
Typhoon Sperry (198321) 的生命周期较短, 自1983年12月2日18时 formed至12月5日00时消散, 全程历时约54h. 从空间轨迹来看, 该Typhoon 主要活动 at Northwest Pacific洋面, 未对陆地造成直接影响, 无Landfall记录. 初始阶段, 系统位 at 16.2°N, 132.2°E附近, 随后 toward NW direction短暂Moving, at 12月3日12时到达最N端The latitude18°N. 值得注意的是, 在达到最N点后, typhoon track出现显著转折, 由NW行转为E乃至SE. 这种“先NW后SE”的回旋式路径特征, 表明其受到当时大气环流引导气流的复杂影响, 可能在副热带高压边缘或弱引导气流环境中发生了转 toward . 最终, 系统中心移至15.5°N, 133.3°E附近并减弱消散, 整体Moving范围集中在经纬度跨度较小的海域内.
在Intensity变化方面, Typhoon Sperry呈现典型的“快速增强, 迅速减弱”特征. formed初期为Nameless (15m/s) , 在18h内快速 intensified into Severe Tropical Storm, 并 at 12月3日12时达到peak intensity, max wind 录得28m/s. 然而, 巅峰状态维持Time极短, 仅6h后wind speed即降至25m/s, 随后Go to 持续减弱通道. 至12月4日12时, 系统重新降级为Nameless, 直至生命史结束. 与同名History相比, 1983年Sperry的Intensity明显偏弱. 资料显示, 1987年Sperry (198703) 与1980年Sperry (198016) 的peak intensity均达到Typhoon 级别, 而1983年这一code仅为Severe Tropical Storm级别. 这反映出同年名Typhoon 在不同年份的气候背景下, 其发展潜能存在显著差异, 1983年的环境条件可能不利 at 该系统进一步发展为更高Intensity的Typhoon .
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 1983-12-02 18:00:00 | 16.2°N | 132.2°E | Nameless | 15 | 1002 | |
| 1983-12-03 00:00:00 | 16.1°N | 131.7°E | Tropical Storm | 20 | 1000 | |
| 1983-12-03 06:00:00 | 17.3°N | 131.4°E | Tropical Storm | 23 | 998 | |
| 1983-12-03 12:00:00 | 18°N | 131.9°E | Severe Tropical Storm | 28 | 996 | |
| 1983-12-03 18:00:00 | 18°N | 132.4°E | Severe Tropical Storm | 25 | 996 | |
| 1983-12-04 00:00:00 | 17.8°N | 132.8°E | Tropical Storm | 23 | 998 | |
| 1983-12-04 06:00:00 | 17.1°N | 133°E | Tropical Storm | 20 | 1000 | |
| 1983-12-04 12:00:00 | 16.5°N | 133.2°E | Nameless | 17 | 1004 | |
| 1983-12-04 18:00:00 | 16°N | 133.2°E | Nameless | 17 | 1004 | |
| 1983-12-05 00:00:00 | 15.5°N | 133.3°E | Nameless | 15 | 1010 |
Typhoon Sperry's international code is 198321, is the 21st Typhoon of 1983, international name SPERRY.
Typhoon Sperry peak intensity is Severe Tropical Storm, max wind 28m/s, minimum central pressure 996 hPa.
According to records, Typhoon Sperry is not in our coastal landfall.
TyphoonSays (taifengshuo.com) provides typhoon Sperry's Track history map, multinational meteorological agency Forecast comparison, wind range with IntensityTrend, page address: https://taifengshuo.com/typhoon/198321.
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