Rain came down in several districts in Bangkok, Nonthaburi, Pathum Thani and Samut Prakan on Friday morning.
The Bangkok Metropolitan Administration and traffic radio stations reported rain in most parts of Thon Buri and some inner districts of the capital including Phaya Thai.
By rush-hour, the storms were also pouring rain down upon eastern Bangkok regions including Bang Na. Earlier, City Hall said that Bang Khae district was the hardest hit by the early morning downpours.
Phetkasem road in Bang Khae was flooded and traffic congestion was reported in Ramkhamhaeng, Lat Phrao and Ratchadaphisek areas, according to Jor Sor 100 and FM91 Traffic Police radio stations.
A section of an expressway heading to Sathupradit Road was also inundated this morning, the traffic radio station reported.
Floodwater rose to foothpath level on Chan Road in Sathon district and Charoen Nakhon Road in Khlong San district, causing traffic woes in the area and nearby roads.
Pol Col Kritsana Pattanacharoen, deputy spokesman for the Royal Thai Police Office, said national police chief Chakthip Chaijinda ordered police in all areas to keep the traffic moving, with emphasis on flood-hit areas.
The Meteorological Department expected summer storms to pound the Bangkok region through Saturday.
