Flash floods and heavy rain have hit many provinces of Thailand as tropical storm Conson made landfall in Vietnam’s Quang Ngai early on Sunday, according to Thailand’s Meteorological Department.

Thai authorities are advising the public to stay tuned for weather updates.

Petchabun’s Lom Sak district is one of the heaviest hit areas this weekend, as water runoff from Nam Nao mountain is affecting around 2,000 households.

The latest warning (No. 11) said there will be heavy to very heavy rain today in Nakhon Phanom, Sakhon Nakhon, Mukdahan, Kalasin, Amnat Charoen, Yasothon, Roi Et, Maha Sarakham, Surin, Si Sa Ket and Ubon Ratchathani, Rayong, Chanthaburi and Trat.

Heavy rain will be more widespread tomorrow, covering Phrae, Uttaradit, Sukhothai, Kamphaeng Phet, Phichit, Phitsanuloke, Tak and Phetchabun, Nakhon Phanom, Sakhon Nakhon, Mukdahan, Amnat Charoen, Yasothon, Roi Et, Kalasin, Maha Sarakham, Chaiyaphum, Khon Kaen, Nakhon Ratchasima, Buri Ram, Surin, Si Sa Ket, Ubon Ratchathani, Nakhon Sawan, Uthai Thani, Chai Nat, Sing Buri, Ang Thong, Lop Buri, Saraburi, Kanchanaburi, Nakhon Nayok, Prachin Buri, Sa Kaeo, Rayong, Chanthaburi and Trat.

The monsoon is passing over the Andaman Sea, Thailand and the Gulf of Thailand. Strong winds and waves are likely to reach 2-3 metres in height in the Andaman Sea and about 2 metres in the upper Gulf, while they will reach over 3 metres in stormy areas. All ships should proceed with caution and avoid thunderstorms, while small boats in the upper Andaman Sea and the upper Gulf should remain ashore until September 14^th (Tuesday).