2023-09-22 11:37:00
The NCPO warns of flash floods. Flash floods, water overflowing banks, large dams at risk of exceeding their capacity. Between 25-30 Sep. 2023
On September 22, 2023 National Water Administration Issued Announcement No. 20/2023 on monitoring flash floods, water overflowing banks, and reservoirs at risk. It was found that the monsoon trough lies across the lower central, eastern and upper southern regions. In addition, the southwest monsoon will become stronger. This causes heavy rain in some places in the central and eastern regions, with heavy to very heavy rain in the southern region. and the Water Resources Information Institute (Public Organization)
and forecasting areas at risk of flooding and areas at risk of mudslides upstream. From the Department of Water Resources and the Department of Mineral Resources It was found that there are areas to be monitored during 25 – 30 September 2023 as follows.
1. Areas at risk of flash floods Flash floods and landslides
1.1 Eastern region
– Rayong Province (Mueang Rayong District, Klaeng, Pluak Daeng, and Khao Chamao)
– Chanthaburi Province (Mueang Chanthaburi District, Makham, Tha Mai, Soi Dao, Khao Khitchakut, Laem Sing, and Khlung)
– Trat Province (Mueang Trat District, Khao Saming, Bo Rai, Koh Kood and Koh Chang)
1.2 Southern Region
– Chumphon Province (Tha Sae and Phato districts)
– Ranong Province (Mueang Ranong, Kapoe, La-un, Suksamran and Kra Buri districts)
– Phang Nga Province (Mueang Phang Nga District, Khura Buri, Takua Pa, Kapong and Thai Mueang)
– Phuket Province (Mueang Phuket District, Kathu and Thalang)
– Krabi Province (Mueang Krabi District, Khao Phanom, Ao Luek, Khlong Thom, Plai Phraya, and Koh Lanta)
– Surat Thani Province (Mueang Surat Thani District, Phanom, Ban Ta Khun and Koh Phangan)
– Satun Province (Mueang Satun District, Khuan Don, Khuan Kalong, Thung Wa and Manang)
– Trang Province (Mueang Trang District, Palian, Na Yong, Kantang, Huai Yot, Hat Samran, Ratsada and Wang Wiset)
– Phatthalung Province (Pa Bon and Tamode districts)
– Songkhla Province (Sadao District)
– Nakhon Si Thammarat Province (Chang Klang District, Phipun, Chawang, Thung Yai and Tham Phannara)
2. Areas at risk of water overflowing banks and flooding low-lying areas. Along the Kwai Noi River Phitsanulok Province
– Chao Phraya River Chainat, Ang Thong and Phra Nakhon Si Ayutthaya Provinces
– Lam Nam Kam, Nakhon Phanom Province
– Lam Se Bai, Yasothon Province
– Lam Pao River, Si That District, Udon Thani Province Mueang Kalasin District Kalasin Province
– Lam Nam Yang, Phon Thong District, Selaphum District, Roi Et Province
– Mun River, Ubon Ratchathani Province
– Trang River, Trang Province
– Tapi River, Surat Thani Province
3. Watch out for large reservoirs. with a water volume higher than the maximum reservoir operating criteria (Upper Rule Curve) There are 6 places, including Mae Ngat Somboon Chon Reservoir. Chiang Mai Province Huai Luang Reservoir Udon Thani Province Nam Phueng Reservoir Nam Oon and Nong Han Reservoirs, Sakon Nakhon Province Lamphao Reservoir Kalasin Province Medium and small reservoirs with a water volume of more than 80 percent and with a tendency to increase. There is a risk of water overflow affecting the area at the rear of the reservoir.
This is to prepare to deal with Request that relevant agencies please take the following actions:
1. Continuously monitor the weather and water situation. Especially areas that have accumulated more than 90 millimeters of rain in a 24-hour period and areas at risk of flooding on a regular basis. or urban areas that were previously flooded could not be drained in time.
2. Check the stability and usability of the reservoir. Water control building, water pumping station, and monitoring, inspecting, repairing embankments along the river and eliminating obstacles in the waterway.
3. Adjust water management plans, reservoirs, and drainage dams. Flood gates, irrigation systems to manage water in accordance with the situation according to the potential of irrigation canals Each time period can be supported. Ready to expedite the drainage of flood waters as well as organize water traffic to slow down water and reduce impacts downstream. And consider storing as much water as possible for the upcoming dry season.
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