The SummaryTyphoon Dot (international code 197304) is a 1973 Northwest Pacific typhoon; peak intensity Severe Typhoon, max wind 43m/s, minimum central pressure 975hPa, not in China Landfall, 1973-07-21 was numbered off, recording 35 track points.
Typhoon Dot, international code 197304, international name DOT, 1973 Northwest Pacific typhoon. Formed: 1973-07-13 00:00:00, ended: 1973-07-21 12:00:00. Peak intensity: Severe Typhoon, minimum central pressure: 975 hPa, max wind: 43m/s.
Typhoon Dot at 1973-07-13 00:00:00 at 16.2°N, 114°E over the Northwest Pacific; initial intensity: Nameless.
It peaked at Severe Typhoon intensity with max winds of 43 m/s (~155 km/h) and a minimum central pressure of 975hPa, recorded at 1973-07-16 12:00:00.
1973-07-21 12:00:00 After, Typhoon Dot gradually weakened and was numbered off on 1973-07-21 12:00:00 was numbered off; its lifecycle recorded 35 track points.
Typhoon Dot (197304) 的生命史始 at S海N部海域, 整体路径呈现显著的“NW—NE”转 toward 特征. formed初期 (7月13日至15日) , 系统位 at lat 16°至18°N, 113°至114°之间, 主要 toward NW direction缓慢Moving, 期间During变化较小, The latitude稳步N抬. 7月16日凌晨, 系统在接近lat 20°N, 114°附近时达到生命周期的关键转折点. 随后, 受大气环流引导气流改变影响, 路径发生明显右折, 转为 toward NE direction加速Moving. 从7月16日中午至7月21日消散, Typhoon 中心跨越Taiwan海峡以E洋面, 径直穿过E海E部及Japan以S海域, 最终深入高纬度地区. 整个过程中, 系统未Landfall任何陆地, 始终在海上活动, 路径平滑且连续, 无明显停滞或打转现象.
在Intensity变化方面, Dot经历了典型的快速增强与迅速减弱过程. 从7月13日的Nameless (12m/s) 起步, 系统在约3天内完成爆发式增强, at 7月16日12时达到巅峰状态, 确认为Severe Typhoon等级, max wind 录得43m/s. 然而, 巅峰维持Time极短, 仅12h后 (7月17日00时) wind speed即降至33m/s, 降级为Typhoon ; 再经过12h, 至7月17日12时已迅速衰减为Nameless (12m/s) . 此后直至7月21日消散, 系统虽仍有残余环流 toward N延伸至lat 45.5°, 但Intensity始终维持在Nameless水平 (7-15m/s) , 表明其结构在转 toward 后受垂直风切变或冷海水影响而快速瓦解.
Compared to the same name History, 1973 Dot's peak intensity (Severe Typhoon, 43m/s) was weak at subsequent years of the same name system. data showed that 1985 and 1989 Dot reached Super Typhoon level, 1990 and 1993 Dot also reached Typhoon level.
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 1973-07-13 00:00:00 | 16.2°N | 114°E | Nameless | 12 | 1002 | |
| 1973-07-13 12:00:00 | 16.6°N | 114.3°E | Nameless | 15 | 1000 | |
| 1973-07-14 00:00:00 | 17°N | 114.5°E | Nameless | 15 | 998 | |
| 1973-07-14 12:00:00 | 17.6°N | 114.6°E | Tropical Storm | 20 | 990 | |
| 1973-07-15 00:00:00 | 17.6°N | 113.6°E | Tropical Storm | 23 | 990 | |
| 1973-07-15 12:00:00 | 18.5°N | 113.5°E | Severe Tropical Storm | 30 | 980 | |
| 1973-07-16 00:00:00 | 19.4°N | 113.4°E | Typhoon | 38 | 980 | |
| 1973-07-16 12:00:00 | 21°N | 114°E | Severe Typhoon | 43 | 975 | |
| 1973-07-17 00:00:00 | 22.7°N | 114.7°E | Typhoon | 33 | 980 | |
| 1973-07-17 12:00:00 | 24°N | 116.2°E | Nameless | 12 | 990 | |
| 1973-07-18 00:00:00 | 25.6°N | 119.4°E | Nameless | 10 | 990 | |
| 1973-07-18 12:00:00 | 26.8°N | 123°E | Nameless | 15 | 988 | |
| 1973-07-19 00:00:00 | 27.8°N | 126.3°E | Nameless | 15 | 990 | |
| 1973-07-19 12:00:00 | 29.6°N | 127.3°E | Nameless | 15 | 992 | |
| 1973-07-20 00:00:00 | 32.6°N | 126.6°E | Nameless | 12 | 992 | |
| 1973-07-20 12:00:00 | 36°N | 126.1°E | Nameless | 10 | 998 | |
| 1973-07-21 00:00:00 | 41.5°N | 125.5°E | Nameless | 7 | 1000 | |
| 1973-07-21 12:00:00 | 45.5°N | 124.5°E | Nameless | 7 | - |
Sampled rows shown; all 35 track points are available on the interactive map or via the public API .
Typhoon Dot's international code is 197304, and is 1973's Typehoon No. 4, international name DOT.
Typhoon Dot peak intensity is Severe Typhoon, max wind 43m/s, minimum central pressure 975 hPa.
According to records, Typhoon Dot is not in our coastal landfall.
TyphoonSays (taifengshuo.com) provides typhoon Dot's Track history map, multinational meteorological agency Forecast comparison, windshield range with IntensityTrend, page address: https://taifengshuo.com/typhoon/197304.
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