Thailand Floods of 2018

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Re: Thailand Floods of 2018

Post by Big Boy » Mon Aug 27, 2018 10:22 pm

It happens in the UK all of the time as well, building new properties on flood plains.
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Re: Thailand Floods of 2018

Post by PeteC » Wed Aug 29, 2018 4:41 am

Flood, landslide alerts for areas downstream from six dams

http://www.nationmultimedia.com/detail/ ... s/30353159
Full story at link.


......The six dams are the Nam Oun Dam in Sakon Nakhon, the Khun Dan Prakan Chon Dam in Nakhon Nayok, the Vajiralongkorn Dam in Kanchanaburi (also with a possible flood impact in nearby Ratchaburi), the Kaeng Krachan Dam in Phetchaburi, the Pran Buri Dam in Prachuap Khiri Khan and the Rajjaprabha Dam in Surat Thani.......
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Re: Thailand Floods of 2018

Post by PeteC » Wed Aug 29, 2018 12:31 pm

As the days go by all this up-country activity is creeping towards the Chao Phraya and Bangkok
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Flood vigilance warning along Pasak river in Ayutthaya
Published: 29/08/2018 at 10:46 AM
Online news: https://www.bangkokpost.com/news/genera ... recent_box

AYUTTHAYA: People living near the Pasak river have been warned to be vigilant as the water level rises in the wake of increased discharge rates at the Rama VI and Pasak Jolasid dams.

The advice was issued after Suchard Charoensri, director of Regional Irrigation Office 10, held an urgent meeting with officials responsible for water management in the Pasak river basin, at the Rama VI dam in Tha Rua district of Ayutthaya, on Tuesday afternoon.

The meeting was called after it was observed that a huge amount of forest run-off from the northeastern provinces of Chaiyaphum and Phetchabun was flowing into Pasak Jolasid dam in Lop Buri.

This substantial inflow made it necessary to increase the discharge rate, Mr Suchard said.

Coupled with continuing heavy rainfall in Lop Buri and Saraburi, the Pasak river would also be carrying a higher volume of water downstream to the Rama VI dam.

The meeting agreed to increase the discharge rate from Pasak Jolasid dam to 400 cubic metres per second and from Rama VI dam to 450 cu/m per second.

Some of the water reaching Rama VI dam would be diverted to the Rapeepat canal at a rate of 70 cu/m per second, he said.

People downstream from Rama VI dam, in Tha Rua, Nakhon Luang and Phra Nakhon Sri Ayutthaya districts were warned of rising water levels from Tuesday night.

The river level could rise by up to one metre, but that would still be two metres below the bank top.

Riverside communities and restaurants on floating rafts have been warned to be prepared because days of continued and possibly increasing discharges from the dam could cause the river to overflow and flood low-lying areas, Mr Suchard said.
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Re: Thailand Floods of 2018

Post by PeteC » Sat Sep 01, 2018 1:34 am

River flood warnings issued for Central Plains, Mekong

Published: 31/08/2018 at 05:26 PM
Online news: https://www.bangkokpost.com/news/genera ... recent_box

Flood warnings have been issued for low-lying areas near rivers in the Central Plains and along the Mekong River, because of accelerated discharges from dams.

Surachart Malasri, irrigation director at the Chao Phraya dam in Chai Nat province, on Friday warned residents of low-lying areas along rivers in seven provinces of the Central Plains that the dam had to increase its discharge rate to cope with the rapid inflow after heavy rains.

His warnings targetted Ang Thong, Ayutthaya, Chai Nat, Lop Buri, Sing Buri, Suphan Buri and Uthai Thani.

The inflow to the Chai Phraya dam was measured at 1,138 cubic metres per second in Nakhon Sawan province, raising the water level at the dam. The discharge rate had been raised to 800 cu/m per second.

River levels would rise by 60-80 centimetres in Sena and Phakhai districts of Ayutthaya, Mr Surachart said.

In Kanchanaburi province, Waiwit Saengpanit, director of the Vajiralongkorn dam, said the discharge rate would be lifted from 53 million cu/m to 58 million cu/m a day from Sept 4 to 30. The rate was earlier increased from 43 million cu/m a day.

He said the dam was already at 94% of capacity, which exceeded the upper rule curve of the dam.

The faster discharge rate would raise the level of the Kwai Noi River in Thong Pha Phum and Muang districts of Kanchanaburi by about 50 centimetres and cause flooding in low-lying areas there.

In Nakhon Phanom province, the level of the Mekong River was expected to peak at 13 metres on Friday night, the highest in about two decades. The river was rising due to accelerated discharges from dams in Laos. Some low-lying areas beside the river in Muang district of Nakhon Phanom were already flooded.

Provincial authorities also warned of possible flooding of communities and farmland in four other Mekong-facing districts of Nakhon Phanom -- Ban Phaeng, Si Songkhram, Tha Uthen and That Phanom.

Parts of Tha Uthen were already flooded due to overflows from the Songkhram River, a tributary of the Mekong.
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Re: Thailand Floods of 2018

Post by PeteC » Sat Sep 01, 2018 5:18 pm

Flood risk rising with dam discharges

Published: 1/09/2018 at 04:15 PM
Online news: https://www.bangkokpost.com/news/genera ... recent_box

(Photos at link)

KANCHANABURI: Residents living downstream of the Vajiralongkorn dam have been warned to brace for more flooding as its discharge rate will be increased by 10% from Sept 4-10.

The dam is currently discharging 53 million cubic metres per day of water after more than 70 million cu/m of rainwater poured into its reservoir, filling it almost to capacity. Authorities have now decided to raise the rate by 5 million cu/m to 58 million, according to a source familiar with the situation.

The increase will take effect on Tuesday and continue until Sept 10. Water levels in upstream districts (parts of Thong Pha Phum and Sangkhla Buri) and downstream areas will rise as a result.

Coupled with continuous rains, water discharges have already inundated 180 residences alongside the reservoir at two villages in tambon Nong Lu of Sangkhla Buri district. District authorities have prepared a temporary shelter for affected residents but most have refused to leave their flooded houses.

Wat Tai Nam in Sangkhla Buri, an attraction featured in the Unseen Thailand tourism campaign, has been badly affected. Only 50 centimetres of the roof of the temple’s bot or ordination hall remain above water.

Several resorts in downstream areas are closed and guests have been cancelling room bookings. Staff have moved belongings to higher ground to prepare for the next round of flooding.

Concern about flooding is rising in many parts of the country, particularly since the rainy season still has 6-8 weeks left to go.

Flood warnings were issued earlier for some Central Plains provinces and areas along the Mekong, as the season is shaping up to be the wettest since 2011.

Waiwit Saengpanit, director of the Vajiralongkorn dam, said on Saturday that the reservoir currently held 8.35 billion cubic metres of water, or 94% of its capacity of 8.86 billion. The dam can accommodate only another 505 million cu/m, making the current discharge rate inadequate.

Elsewhere in Kanchanaburi, the reservoir at the Srinagarind dam in Si Sawat district of Kanchanaburi now holds 16.1 billion cu/m, or 90.8% of its capacity, with room for 1.6 billion more.

Authorities on Saturday adjusted the water discharge rate to 22 million cu/m per day, said director Prasert Inthap.
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Re: Thailand Floods of 2018

Post by PeteC » Tue Sep 04, 2018 2:42 am

PEOPLE LIVING on the banks of major rivers in Thailand have been warned they face a serious risk of flooding


The Office of National Water Resources (ONWR) deputy secretary-general Samroeng Sangphuwong, who now heads a war room on water crisis, said people living along Kam, Songkhram, Oun, Kwai Noi, Kwai Yai, Pasak, Prachin Buri and Nan rivers should keep abreast of flood reports.

“Recent heavy downpours look set to increase water levels in these rivers,” he said, adding that Nan province had been hit by 155.5 millimetres of rain in the 24-hour period ending yesterday morning. This rainwater will eventually flow into Nan River.

Somroeng said the Mekong had already overflowed in many provinces, including Nong Khai, Nakhon Phanom and Mukdahan.

“It may also overflow in Bueng Kan and Ubon Ratchathani soon,” he said.

The authorities are also monitoring five major dams, Nam Oun in Sakon Nakhon, Kaeng Krachan in Phetchaburi, Vajiralongkorn and Srinakharin in Kanchanaburi and Khun Dan Prakan Chon in Nakhon Nayok. These dams are 108 per cent, 106 per cent, 94 per cent, 91 per cent and 87 per cent full respectively.

Although floods have already hit many provinces, Deputy Prime Minister General Chatchai Sarikulya said the Meteorological Department had found the country’s overall rainfall to date was below normal levels.

“There are heavy rains only in some areas,” he said.

Chatchai said some provinces have not seen rain for a long period of time and he believed it would be necessary to stage rainmaking operations for some dry zones to prevent drought.

“The prime minister has already been informed of the situation. We will get a clear plan around the middle of this month,” Chatchai said.

Source: http://www.nationmultimedia.com/detail/ ... l/30353651
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Re: Thailand Floods of 2018

Post by PeteC » Thu Sep 06, 2018 4:15 pm

Two of the country's most scenic dams in Kanchanaburi are about to go rogue and flood two Central provinces, bringing the threat closer to Bangkok.............

Urgent flood meet precedes dam releases
Two provinces brace for excess water

Published: 6/09/2018 at 04:00 AM
Newspaper section: News https://www.bangkokpost.com/news/genera ... m-releases

The governors of Kanchanaburi, Ratchaburi and Samut Songkhram attended an urgent meeting Wednesday to prepare their provinces for excess water being released from the Sri Nakharin and Vajiralongkorn dams, which could cause widespread floods in the coming days.

Gen Chatchai Sarikulya, a deputy prime minister, said those present discussed ways of combatting the floods that are expected to be unleashed when the water is discharged from the dams in Kanchanaburi.

Both are taking in large amounts of water as heavy runoff from the Tanaosi mountain range along the Thai-Myanmar border continues to flow into them.

Gen Chatchai said the situation requires immediate attention as the dams are connected to the Kwae Noi and Kwae Yai rivers.

If more water is released it would quickly raise the level of both rivers, with the knock-on effects being keenly felt in downtown Kanchanaburi as well as in Ratchaburi and Samut Songkhram.

Kanchaburi city centre is located at the confluence of the Kwae Noi and Kwae Yai rivers. Ratchaburi and Samut Songkhram, meanwhile, are likely to suffer flooding from the Mae Klong River, which passes through both provinces and receives water from the other two rivers.

Gen Chatchai said a clear assessment of the water situation in the provinces must be made without delay. The governors need accurate information at their disposal so they can inform residents to ensure they are sufficiently prepared, he added.

The deputy premier said more wet weather is on the way this month in many parts of the centre of the country, including Kanchanaburi. Both the Sri Nakharin and Vajiralongkorn dams are likely to take in more water than they can store, officials said.

"We have no option but to manage the water well. If we had nothing planned, and the water inflow proves to be excessive, the impact could be severe," Gen Chatchai said.

The water released from the dams must be regulated to spare downstream communities from heavy inundation, he added. However, officials also must take into account future water usage during the dry summer months, he said.

Gen Chatchai said he will chair an inter-agency meeting on the national water management plan on Sept 14, when the Meteorological Department is expected to have a clear outlook for the rest of the rainy season.

In Prachin Buri, more than 30 homes were almost submerged in a flash flood in Prachantakham district Wednesday that left residents no time to move their belongings to higher ground.

Water was still rising in tambons Pho Ngam, Bu Fai and Nong Kaew and forced several schools to suspend classes as many children were left stranded inside their flooded homes. The flood was triggered by runoff from the Pheka mountain range, which raised the water level at the Tharn Thip waterfall. The waterfall flooded quickly, with water submerging vast tracts of farmland and many residential areas in the three tambons.
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Re: Thailand Floods of 2018

Post by PeteC » Wed Sep 12, 2018 3:18 am

I received a news alert yesterday on my phone from the Bangkok Post that authorities were going to significantly increase (again) the discharge from the Sri Nakharin and Vajiralongkorn dams as both are well over 100% full. The story hasn't made the Post's web site yet though.

Much of this discharge water goes into the Mae Klong river and exits into the Gulf at Samut Songkhram. Should be an interesting sight if anyone is taking Rt #35. Pete :cheers:
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Re: Thailand Floods of 2018

Post by PeteC » Sat Sep 15, 2018 6:37 am

Dams increase water release

After heavy rain this week, Srinakarin Dam in Kanchanaburi's Sri Sawat district has increased its water-releasing by 1 million cubic metres per day until September 30, as it now contains 91.8 per cent its capacity.

Dam director Prasert Inthap said the dam would release 29 million cubic metres per day and the smaller downstream reservoir at Tha Thung Na would release about 32 million cubic metres until September 30.

He said any change in the dam's water release would be notified to agencies and residents at least three days in advance. Dam checks would also be changed from twice a week to every day, he added. He said there was nothing to currently cause concern.

Prasert said people could monitor the live feed of the dam at http://water.egat.co.th or the EGAT Water app.

Vajiralongkorn Dam in Thong Pha Phum district, which now is at 94 per cent capacity, also said it would release 58 million cubic metres per day until September 30.

Source: http://www.nationmultimedia.com/detail/ ... s/30354489
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Re: Thailand Floods of 2018

Post by PeteC » Sun Sep 16, 2018 3:21 pm

Eight provinces still hit by flooding
Published: 16/09/2018 at 01:08 PM
Online news: https://www.bangkokpost.com/news/genera ... y-flooding

Eight provinces still suffering from flooding, affecting 58,276 people in 16,468 households in 26 districts; water levels now dropping.

The flood-ravaged provinces are Bung Kan, Nakhon Phanom and Sakon Nakhon in the Northeast; Nakhon Nayok, Prachin Buri and Chachoengsao in the East; Phetchaburi in the Central region; and, Satun in the South.

In Bung Kan, overflow from the Mekong river has inundated parts of Muang, Bung Khla, Seka and Phon Charoen districts, damaging 41,338 rai of farmland. The water is now receding.

In Nakhon Phanom, three districts - Si Song Khram, Na Wa and Nathom districts - are still flooded.

In Sakon Nakhon, five districts in the Nam Un and Song Khram river basins - Kham Ta Kla, Nikhom Nam Un, Phanna Nikhom, Akat Amnuay and Ban Muang - are still flooded, with about 1,533 rai of farmland damaged.

Flooding continues in Muang, Ban Na, Ongkharak and Pak Phli districts of Nakhon Nayok; Muang and Ban Sang districts of Prachin Buri; and Sanam Chaikhet district of Chachoengsao. All of the affected districts are in low-lying areas of the Bang Pakong river basin. The water level is receding.

In Phetchaburi, three districts - Kaeng Krachan, Tha Yang and Ban Laem district - are still flooded. The water level in the Phetchaburi river is now dropping.

In Satun, mountain run-off has inundated 30 villages in Khuan Kalong, La-ngu, Muang and Khuan Don districts. The water is receding.

Local authorities have continued to drain water from the flooded areas, Mr Chayapol said.
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Re: Thailand Floods of 2018

Post by PeteC » Mon Sep 24, 2018 7:29 am

Floods hit Bangkok, Chon Buri's Pattaya and Bang Lamung
Published: 23/09/2018 at 05:20 PM
Online news: https://www.bangkokpost.com/news/genera ... ang-lamung

Heavy rain on Sunday flooded many roads in Bangkok, including the major arteries of Ratchadaphisek and Ramkhamhaeng. Pictures posted on Twitter showed flooding at Rajamangala National Stadium.

The Bangkok Metropolitan Administration reported stretches of 17 different roads were underwater.

Pattaya and Bang Lamung districts in Chon Buri were also hit by torrential rain on Sunday. The downpour started around 1pm and lasted about two hours, flooding numerous roads and causing traffic congestion.

Pattaya's Beach Road, including the Walking Street section, saw water levels rise to between 30 and 50 centimetres. Officials and volunteers helped move stalled cars to higher ground.

The worst hit area of the resort city was a road running parallel to the eastern railway tracks, with water rising to one metre in places.

The flooding in most areas started to subside once the rain stopped.

Rainfall in the eastern, northeastern, central and southern regions was due to a weather system blowing into the country from the South China Sea, said Chaicharn Sitthiworranan in the Meteorological Department's daily forecast on Sunday. Rain will continue on Monday, the forecaster added.

Netizens on social media pointed to Typhoon Trami as the cause of heavy rains in the country but Mr Chaicharn dismissed the claims.

"Typhoon Tsami will have no impact on the weather in Thailand," he said, but advised travellers to Taiwan and the Chinese coast near Taiwan check weather conditions from Monday to Wednesday as Trami is approaching those areas.
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