Thundery showers over northern, eastern Singapore on Sept 20 afternoon

Heavy rain is expected over the northern and eastern areas of Singapore on Sunday (Sept 20) afternoon.

The National Environment Agency (NEA) said in a weather update at 1.36pm that moderate to heavy thundery showers with gusty winds are expected over the two areas between 1.50pm and 3.15pm

Checks on the Meteorological Service Singapore's weather radar at 2pm show rainclouds off Singapore's east-southeast.

As at 2pm, no flood risk advisory has been issued by Singapore's national water agency PUB.

In its fortnightly weather forecast issued on Sept 16 , NEA had said localised short-duration thundery showers are expected between the late morning and afternoon over most parts of the island on most days.

It added that widespread moderate to thundery showers — caused by regional convergence of winds — is expected on one or two days.

Meanwhile, Singapore's 24-hour Pollutant Standards Index (PSI) at 2pm ranged from 75 to 104, in the moderate to unhealthy range, with the highest reading of 104 recorded in the central region.

One-hour PM2.5 is in the normal band for all regions.

预计周日（9月20日）下午新加坡北部和东部地区将有大雨。

国家环境局（NEA）下午1点36分发布的天气预报显示，下午1点50分至3点15分之间，这两个地区预计将出现中到大雷阵雨，并伴有阵风。

下午 2 点，新加坡气象局的天气雷达显示，新加坡东南偏东方向有雨云。

截至下午2点，新加坡国家水务局（PUB）尚未发布任何洪水风险预警。

新加坡国家环境局 (NEA) 在 9 月 16 日发布的两周一次的天气预报中表示，预计大多数日子里，岛上大部分地区在上午晚些时候到下午之间会出现局部短时雷阵雨。

报告还指出，受区域性风向汇聚的影响，预计未来一两天内将出现大范围中到雷阵雨。

与此同时，新加坡下午 2 点的 24 小时污染物标准指数 (PSI) 介于 75 至 104 之间，处于中度至不健康范围，其中中部地区记录到的最高读数为 104。

所有地区的PM2.5一小时浓度均处于正常范围内。