今晚北京仍有分散性阵雨,明天午后到夜间局地大雨

时间:2020-10-24 00:30:00阅读:302
北京市气象台首席预报员赵玮介绍,受低涡天气系统影响,今天白天,本市出现阵雨天气,雨量以小雨为主,通州、朝阳、昌平、顺义等局地中雨。据统计,27日08时至16时,全市平均2.7毫米,城区2.5毫米,西北

北京市气象台首席预报员赵玮介绍,受低涡天气系统影响,今天白天,本市出现阵雨天气,雨量以小雨为主,通州、朝阳、昌平、顺义等局地中雨。据统计,27日08时至16时,全市平均2.7毫米,城区2.5毫米,西北部2.6毫米,东北部2.7毫米,西南部0.5毫米,东南部5.6毫米;最大降雨出现在通州北苑街道27.5毫米,该站14时至15时降雨24.3毫米。

从预报来看,今天傍晚到夜间本市仍有分散性阵雨,平均雨量1至5毫米,东北部3至10毫米,局地20毫米左右。由于低层湿度大,能见度较差,夜间有轻雾或雾。

根据目前资料分析,28日午后到夜间有雷阵雨,局地伴有短时强降雨和6级左右短时大风,山区可能有小冰雹;午后开始影响西部和北部山区,傍晚到前半夜为主要降雨时段。雨量分布不均,大部分地区降雨量3至15毫米,局地40至60毫米,最大小时雨强30至50毫米。低涡系统造成的降雨具有间歇性和分布不均的特点,对强降雨落区的预报有较大不确定性。请及时关注临近、滚动天气预报。

防范建议和提醒:

1.需注意防范28日短时强降雨和大风等强对流天气对户外人员安全、交通运输等的不利影响。

2.降雨将导致路面湿滑、能见度下降,公众和室外防疫工作人员需注意防雷、防雨;出行携带雨具,驾车注意安全。

3.近期多降雨天气,需关注降雨的叠加效应引发山洪、滑坡、崩塌等次生灾害,公众尽量避免山区出行,远离河道和地质灾害隐患地区。

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