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  1. 中央氣象局氣象預報中心人員隨時監控天氣變化,當觀測或研判未來有大雨或豪雨發生的機會時,即會適時發布大雨特報或豪雨特報,提醒各界注意防範。 「大雨」與「豪雨」定義如下: 大雨(heavy rain):指24小時累積雨量達80毫米以上,或時雨量達40毫米以上之降雨現象。

  2. Cold Surge Advisory Context Signal Criteria & Reminders Yellow Minimum ground-level temperature is below 10 C. Cold in early morning and evening, with a chance of minimum temperature dropping below 10 C and significant day-night temperature difference.

  3. Observe Time Temperature Weather WindDir Wind BS m/s Gust BS m/s Visibility (km) Humidity (%) Pressure (hPa) Rainfall (mm) Sunshine

  4. Heavy Rain: 24-hour accumulated rainfall exceeds 80 millimeters, or 1-hour rainfall exceeds 40 millimeters. Extremely Heavy Rain: 24-hour accumulated rainfall exceeds 200 millimeters, or 3-hour accumulated rainfall exceeds 100 millimeters. Torrential Rain: 24-hour ...

  5. Heat Hazard Context Signal Criteria & Reminders Yellow Daily maximum temperature reaches 36 C. Reduce outdoor activities or work. Avoid strenuous exercise. Protect yourself from direct sun, stay hydrated, and be aware of the signs and symptoms of heat

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