More than 320,000 households have been affected by flooding in Thailand with 16 provinces still affected as of Monday.
The Disaster Prevention and Mitigation (DDPM) said the flooding situation has spread to 33 provinces and 8,056 villages with 323,523 affected households.
Nine people have died including six in Lopburi, two in Phetchabun and one in Chai Nat.
They said the situation has improved in 17 provinces but there is still flooding in 16 provinces including Sukhothai, Phitsanulok, Khon Kaen, Maha Sarakham, Chaiyaphum, Nakhon Ratchasima, Ubon Ratchathani, Nakhon Sawan, Uthai Thani, Lopburi, Saraburi, Suphanburi, Singburi, Ang Thong, Ayutthaya and Pathum Thani.
The tropical storm Lion Rock that entered Vietnam last week slowed down to a tropical depression over Laos and is causing heavy rains in the North and Northeast of Thailand between October 11 and 12, with warnings of high waves in the Andaman Sea coast and the upper region of the Gulf of Thailand.
The Kom Pasu tropical storm, currently passing over the Philippines, is also expected to enter Vietnam which will lead to more rainfall in most parts of Thailand between October 14 and 16, the Thai Meteorological Department said.
Authorities said that tropical depression Lion Rock has caused more rain across the country and have issued flash flooding warnings for several provinces.
Sukhothai, Phitsanulok, Nakhon Sawan and Uthai Thani
Nakhon Ratchasima, Chaiyaphum, Khon Kaen, Maha Sarakham, Kalasin, Roi Et, Yasothon, Sakon Nakhon (flash flood), Buriram, Surin, Sisaket and Ubon Ratchathani
Chanthaburi (flash flood), Lopburi, Saraburi, Suphan Buri, Singburi, Trat (flash flood and landslide), Ang Thong, Ayutthaya, Pathum Thani and Nakhon Pathom