Wet Bangkok to get wetter (updated)

Saturday update: The city of Bangkok is getting a lot of help as it prepares for a period of heavy rain. Heavy morning rains over the past two days have complicated the situation.

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A woman flags a bus in the flooded Vibhavadi Rangsit area early yesterday morning. PAWAT LAOPAISARNTAKSIN

Saturday morning update


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Dam run-off slowed in North

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The Royal Irrigation Department is reducing dam water run-off from the North to help the capital better deal with the increase in rain water.

It is controlling flows in major waterways, including the Chao Phraya River that runs through Bangkok and the Tha Chin River, deputy department chief Suthep Noiphairot said.

In Chai Nat, the Chao Phraya Dam has released less water into the Chao Phraya, while along two sides of the lower section of the river, the vast tracts of paddies, where the harvest has been carried out, are being prepared as water-retention areas in case there is more run-off from northern provinces.

Some sluice gates at canals to the north of Bangkok have been closed to prevent more water from moving to the eastern side of the capital.

In the west side of Bangkok, the department is also reducing the water level in the Tha Chin River by diverting the water into the Suphan Buri River and Noi River so that waterflow from Tha Chin River will not be a threat for the area's major canals – Khlong Phasicharoen, Khlong Maha Sawat and Khlong Yong.

All measures are expected to help the city's drainage. Bangkokians are worried after hearing of forecasts of heavy rainfall until late October.

The latest heavy rainfall caused flooding in 32 spots across Bangkok yesterday morning while drainage of rainwater from Vibhavadi Rangsit Road and the Ratchadaphisek-Lat Phrao intersection quickly increased the water level of Khlong Bang Sue, a main canal that holds rainfall, the city's Department of Drainage and Sewerage said.

Department chief Sanya Chenimit told canalside communities to prepare for overflow from canals.

In Pathum Thani, the rainfall triggered flash floods in the low-lying White House community in Khlong Luang district. The community's drainage is facing problems as the dynamos and batteries of some pumps were stolen, residents said.

run-off – rain, water or other liquid that runs off land into streams and rivers น้ำหลาก
Royal Irrigation Department – The Thai government department in charge of the country's irrigation system กรมชลประทาน
reduce – to make something smaller or less in amount, size, importance etc ลดลง
capital – the most important town or city of a country, usually where the central government operates from  เมืองหลวง
flow – the continuous movement of a liquid in one direction การไหล
deputy – a person whose rank is immediately below that of the leader of an organisation รอง
release – to allow a substance to flow out from somewhere ปล่อย
section – any of the parts into which something is divided ส่วน, ส่วนย่อย
vast – extremely large in area, size, amount, etc.  กว้างใหญ่
tract – a large area of land พื้นที่, บริเวณ
paddy (field) – a field planted with rice growing in water นาข้าว
harvest – the activity of collecting a crop, in this case a rice crop การเก็บเกี่ยวผลผลิต
retention – the act of keeping or storing something การเก็บ
sluice gate – a gate that can be opened or closed to control the flow water along a passage ประตูน้ำปิดเปิดบังคับการไหลของน้ำในคลอง
level – the amount of liquid that there is in a container, river, dam, etc., which can be seen by how high the liquid is ระดับ
divert – to cause something to change direction, in this case, water เบนเส้นทางเดินน้ำ
threat – a danger อันตราย
measure – an action taken to solve a particular problem มาตรการ
drainage – the process of taking away of water or other liquids from an area  การระบายน้ำ
forecast – a statement about what will happen in the future based on information available now พยากรณ์
intersection – a place where roads, lines, etc., join or cross each other สี่แยก
Department of drainage and sewerage – The Bangkok city department in charge of draining rainwater and maintaining the city's sewer system สำนักการระบายน้ำ
community – the people living in one particular area ชุมชน
overflow – (of a river or body of water)  water flooding the land next to it การไหลล้น
trigger – to cause ก่อให้เกิด กระตุ้น
flash flood – a flood that happens suddenly without warning น้ำที่เกิดท่วมในที่ต่ำโดยฉับพลันทันทีและไหลลดลงอย่างรวดเร็ว
dynamo – a device for turning mechanical energy (= energy from movement) into electricity; a generator เครื่องผลิตกระแสไฟ
residents – people who live in a particular area ประชาชนที่อาศัยในท้องที่

The sky over Bangkok turns dark ahead of a downpour, with the Meteorological Department warning that heavy rainfall will affect the capital until Oct 20. The photo was taken from the Bangkok Post building at 5.30pm. SAROT MEKSOPHAWANNAKUL


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Wet Bangkok to get wetter

There is no dry end in sight for rainy Bangkok, forecasters say.

Rain is expected to drench the city through late next month.

National Water and Flood Management Policy director Phiphat Rueangngam said yesterday torrential rains over Bangkok were likely to continue until Oct 20.

The rainfall in the capital resulted mainly from a prolonged, intense monsoon trough which lies across the lower Central Plains, the East and the Upper South.

This month alone, the rainfall in Bangkok has amounted to 721 millimetres, which broke the Meteorological Department’s 20-year rainfall record for the same month of 679.2mm, according to Sanya Chenimit, chief of the city’s Department of Drainage and Sewerage.

The sharp increase of rainfall this month has taken the total amount of rainfall in Bangkok from January to September to 157cm, well above the annual average of 150cm, he said.

The situation has sparked concerns about the slow rate of water drainage in the city and the water level in Pasak Jolasid dam in Lop Buri and Saraburi, which has reached 67% of its capacity.

Rainwater in Bangkok’s sewers is flowing into canals and giant underground tunnels slowly, said Royol Chitradon, flood monitoring panel chairman under the state-appointed Water and Flood Management Commission..

City spokesman Wasan Meewong admitted sewers are clogged in some areas. However, many agencies are helping to clear them, he said, asking Bangkok residents to be patient and give the city time to drain the water.

More heavy rain hit Bangkok after midnight with some areas receiving more than 100mm. The showers were still lingering at around 7am this morning as shown in this screen shot from the weather radar on thairainmap.com

The Pasak Jolasid dam also helps Bangkok by blocking run-off in the Pasak River, which merges with the Chao Phraya River in Ayutthaya.

Adapted from a story in today’s Bangkok Post.

downpour – a lot of rain in a short time ฝนตกหนักมาก, พายุฝน
Meteorological Department – the government department in charge of determining what the weather will be in the future กรมอุตุนิยมวิทยา
capital – the most important town or city of a country, usually where the central government operates from  เมืองหลวง
forecaster – someone whose job is to make a statement about what is likely to happen, especially relating to the weather นักพยากรณ์(อากาศ)
drench – to make somebody/something completely wet  ทำให้เปียกโชก
torrential rain – extremely heavy rain ฝนไหลเชี่ยว
prolonged – continuing for a long time ยืดเวลาออกไป
intense – very strong แรง, เข้มข้น
monsoon – the seasonal changes Asian countries during which winds shift bringing more rain (southwest monsoon) and less rain(northeast monsoon)  มรสุม
trough – a long narrow region of low air pressure between two regions of higher pressure
Department of drainage and sewerage – The Bangkok city department in charge of draining rainwater and maintaining the city's sewer system สำนักการระบายน้ำ
sharp – sudden and rapid, especially of a change in something ฉับพลัน, กะทันหัน
annual – happening every year ประจำปี, ทุกๆปีด
average – an amount calculated by adding several amounts together, finding a total, and dividing the total by the number of amounts เฉลี่ย, ค่าเฉลี่ย
situation – all the circumstances and things that are happening at a particular time and in a particular place  สถานการณ์
spark – to make something happen, especially something bad ก่อให้เกิด
concern – a worry ความกังวล
rate – the level or speed at which something happens or changes, or the amount or number of times it happens or changes in a particular period อัตรา
level – the amount of liquid that there is in a container, river, dam, etc., which can be seen by how high the liquid is ระดับ
capacity – the total amount or number that can be handled or contained ปริมาณสูงสุดที่จะรับได้
sewer – an underground pipe or passage that carries
tunnel – an underground passage อุโมงค์
monitor – keep track of ตรวจ, ติดตาม, เฝ้าสังเกต
panel – a group of people who make decisions or judgments คณะกรรมการ
state – government รัฐบาล
appointed – officially chosen for a job ถูกแต่งตั้ง
commission – an official group of people who have been given responsibility to control something, or to find out about something, usually for the government  คณะกรรมการ, คณะกรรมาธิการ
admit – to agree that something is true, especially when you are unhappy, sorry or surprised about it  ยอมรับ
clogged – blocked, so that nothing can get through ตัน
residents – people who live in a particular area ประชาชนที่อาศัยในท้องที่
patient – able to wait for a long time without becoming angry or upset  อดทน
lingering – lasting of a long time, especially when this is unpleasant or not necessary ที่อ้อยอิ่ง ยืดเยื้อมานาน
block – to stop someone/ something from moving through or along something else  ปิดกั้น, กีดขวาง
run-off – rain, water or other liquid that runs off land into streams and rivers น้ำหลาก
merge – to join together to become one รวมกัน

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