The warning sounded at 1:00 p.m. on May 13. The Department of Disaster Prevention and Mitigation conducted a major system test, sending out warnings via the Cell Broadcast system covering 5 provinces, and inviting people to complete a questionnaire after the major test.
At 1:00 p.m. on May 13, 2025, several areas in Thailand received emergency warning messages via the Cell Broadcast System (CBS), which is the third large-scale or provincial test. This time, it covers 5 provinces: Chiang Mai, Udon Thani, Phra Nakhon Si Ayutthaya, Nakhon Si Thammarat and Bangkok. สล็อต