Breaking: Chiang Mai on High Alert – 4.45m Water Surge Expected at Nawarat Bridge Tonight

Urgently at 3:00 tonight, Irrigation Bureau No. 1, Chiang Mai, warns of water at Nawarat Bridge. The peak will be about 4.45 meters.

On September 24, 2024, the 1st Irrigation Bureau issued a Notice of the 1st Irrigation Bureau, No. 2/2024, dated September 24, 2024, regarding the monitoring of water level. Ping River Area, Station P.1 (Nawarat Bridge), Mueang Chiang Mai District Significance of Chiang Mai Province

Announcement of Irrigation Bureau No. 1, Number 2/2024, Regarding Water Level Monitoring in Ping River Area (Station P.1 Nawarat Bridge, Mueang District, Chiang Mai Province
During the period from September 21 to 23, 2024, the area of ​​Chiang Mai province was affected by the storm “Zurich”, which caused heavy rain scattered throughout the province. This increases the amount of water in the Ping River and its tributaries in the upper area. And it is likely that the amount of water in the Ping River may overflow the banks and flood the areas in the area.
Chiang Mai Municipality (Higher than the waterline level of Station P.1)

Ping River water situation on September 24, 2024 at 5:00 PM at P.1 station (Ping River at Nawarat Bridge, Mueang District, Chiang Mai Province) Water level 3.70 meters (critical level), water volume 405 cubic meters per second The tendency of increasing water volume Due to the amount of water flowing down from the upper basin of the Ping River (Ping water from the Chiang Dao District watershed, Mae Taeng water, Mae Rim water and Mae Tao Hai water At this time, the amount of water in the Ping River). From the headwaters of Chiang Dao District The measurement at Sindhukit Preecha Division (Mae Faek Division) has passed the highest point at 3122.595 cubic meters per second. The water level was 4.61 meters at 2:00 PM and the amount of water from Mae Taeng River and Mae Rim River continues to flow into Ping River There is a slight upward trend. It also rained in the upper part of the basin.

The 1st Irrigation Bureau predicts that the water volume at P.67 Ban Mae Tae, San Sai District, is likely to have a maximum water volume of about 490 cubic meters per second on September 24, 2024 between 9:00 PM and 10:00 PM. And that water mass will move to P.1, Nawarat Bridge, with the highest level at about 4.45 meters (water volume of about 530 cubic meters per second) on September 25, 2024 at 3:00 AM -05:00 AM, if any. No additional rainfall is recorded in the upper basin area.

The No. 1 Irrigation Bureau will closely monitor/observe the water situation. and continuously report and ask for low-lying areas along the Ping River. Be prepared for the water situation along the Ping River, which will also increase. We therefore ask that you pay attention to possible impacts in risk areas (from the survey results
The areas affected by floods in 2022) are as follows:
1. Zone 1, water level at Nawarat Bridge +3.70 meters, Ban Pa Phrao Nok (partial), Tha Nam restaurant Underpass under Pa Daet Bridge
2. Zone 2, water level at Nawarat Bridge +3.90 meters, Charoen Prathet Road. Chiang Mai Forest Montfort Primary School, Wat Chai Mongkol, Ban Pa Phrao Nok Wiang Thong Village
3. Zone 3, water level at Nawarat Bridge +4.00 meters, Baan Den, Provincial Electricity Authority, Chiang Mai Province (Baan Den), Jindaniwet village.
4. Zone Level 4 at Nawarat Bridge +4.10 meters, Rimping Super Shopping Mall, Tha Satoi Temple, Gold Souk, Kawila Camp, Kong Sai Road, San Pa Khoi Market (partial)
5. Zone Level 5 at Nawarat Bridge +4.20 meters, Nong Hoi Market, Koh Klang Road, Montfort Secondary School. Kawila School Mueang Sat Luang Temple Wat Mueang Sat Noi Palm Springs Village, Mueang Kai Temple, Rat Uthit Road
6. Zone level 6 at Nawarat Bridge +4.30 meters, Chang Klan Road, Night Bazaar, Saeng Tawan intersection. Measure the party leader in this matter. To prepare to deal with Request the relevant bodies to proceed as follows.
1. Carefully monitor the water situation. Check the stability of the defense buildings along the river and reinforce the embankments in the vulnerable areas that are low-lying areas along the river.
2. Prepare machinery and tools to supplement the availability to provide assistance and alleviate immediate impacts on people.
3. Publicize information and give advance warning to people living in shoreline areas outside levee lines, temporary levees, areas without permanent water protection lines (fault lines), and risk areas that are low-lying areas along the river.

Announced on September 24, 2024 (18:00)