The SummaryTyphoon Omais (international code 200403) is a 2004 Northwest Pacific typhoon; peak intensity Tropical Storm, max wind 20m/s, minimum central pressure 995hPa, not in China Landfall, 2004-05-21 was numbered off, recorded 8 track points.
Typhoon Omais, international code 200403, international name OMAIS, 2004 Northwest Pacific typhoon. Formed: 2004-05-18 14:00:00, ended: 2004-05-21 14:00:00. Peak intensity: Tropical Storm, minimum central pressure: 995 hPa, max wind: 20m/s.
Typhoon Omais at 2004-05-18 14:00:00 at 8.9°N, 137.6°E over the Northwest Pacific; initial intensity: Tropical Storm.
It peaked at Tropical Storm intensity with max winds of 20 m/s (~72 km/h) and a minimum central pressure of 995hPa, recorded at 2004-05-19 02:00:00.
2004-05-21 14:00:00 After, Typhoon Omais gradually weakened and was numbered off on 2004-05-21 14:00:00 was numbered off; its lifecycle recorded 8 track points.
According to the observation data, its initial position at lat 8.9°N, 137.6° of the Northwest Pacific ocean. On the Moving path, the Typhoon showed a noticeable 'first W after N' turning characteristics. In the early months of May 18th, 14th to 19th, 02:00) , the system mainly toward W, the latitude from 8.9°N slowly increased to 9.8°N, the length from 137.6°EW to 135.5°E. Then, under the influence of the atmospheric flow guidance changes, the typhoon track occurred significantly toward , turning toward NNE. During the period of May 20th, 14th to 21st, its latitude rapidly changed from 13.5°N to 17.3°N, and after the degree of opening was relatively small, the
在Intensity方面, “Omais”整体表现平稳且偏弱. formed初期Pressure为996hPa, max wind 18m/s. 在5月19日02时达到巅峰状态, 此时最低气压降至995hPa, max wind 增至20m/s, 等级维持为Tropical Storm. 此后直至生命史结束前, 其Intensity基本保持稳定, 气压维持在995hPa, wind speed保持在20m/s. 仅在最后阶段 (5月21日14时) , 随着The latitude升高, 系统开始减弱, 气压回升至998hPa, wind speed降回18m/s.
Its peak air pressure (995hPa) is equal to the 12th Typhoon “Omais” in 2021, but weak at the 5th Typhoon “Omais” in 2016 (Severe Tropical Storm, minimum pressure 980hPa) . Compared to the 1st Typhoon “Omais” in 2010, the 2004 system’s Intensity is slightly strong.
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 2004-05-18 14:00:00 | 8.9°N | 137.6°E | Tropical Storm | 18 | 996 | NW |
| 2004-05-18 20:00:00 | 9.5°N | 136.2°E | Tropical Storm | 18 | 996 | NW |
| 2004-05-19 02:00:00 | 9.8°N | 135.5°E | Tropical Storm | 20 | 995 | WNW |
| 2004-05-20 14:00:00 | 13.5°N | 133.6°E | Tropical Storm | 20 | 995 | NNE |
| 2004-05-20 20:00:00 | 14.3°N | 133.9°E | Tropical Storm | 20 | 995 | ENE |
| 2004-05-21 02:00:00 | 14.5°N | 133.8°E | Tropical Storm | 20 | 995 | N |
| 2004-05-21 08:00:00 | 16.4°N | 134.4°E | Tropical Storm | 20 | 995 | NNE |
| 2004-05-21 14:00:00 | 17.3°N | 134.6°E | Tropical Storm | 18 | 998 | NNE |
Typhoon Omais's international code is 200403, is 2004 Typehoon number 3, international name OMAIS.
Typhoon Omais peak intensity is Tropical Storm, max wind 20m/s, minimum central pressure 995 hPa.
According to records, Typhoon Omais is not in our coastal landfall.
TyphoonSays (taifengshuo.com) provides typhoon Omais's Track history map, multinational meteorological agency Forecast comparison, wind range with IntensityTrend, page address: https://taifengshuo.com/typhoon/200403.
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Weather data: NASA GIBS / OpenWeatherMap / Open-Meteo / NOAA WW3, for reference only
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