Category Archives: flood

Thailand: Super-canal may prevent floods

Thailand: Super-canal may prevent floods – CNN.

Thai authorities are considering the construction of a super-express waterway through Bangkok to prevent future floods similar to the one that has crippled the Thai capital and brought manufacturing in other parts of the country to a standstill.

A team of disaster experts from Chulalongkorn University in Bangkok is now investigating permanent solutions to the disaster that has left hundreds dead.

“One of the urgent solutions is a super-express floodway,” Thanawat Jarupongsakul, from the university’s Unit for Disaster and Land Information Studies, told the Bangkok Post.

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Under the plan, existing natural canals — some of them more than 100 kilometers (62 miles) long — would be linked in a 200-km “super-highway” that would divert the course of floodwaters from the north.

The super-canal would hold 1.6 billion cubic meters of water and drain run-off at a rate of 6,000 cubic meters per second — the equivalent of two and a half Olympic-sized swimming pools a second.

“This idea is much cheaper than digging a new river as a floodway,” Thanawat said.

He said the proposed scheme would involve the construction of a kilometer-wide exclusion zone next to the floodway to prevent properties from being inundated, and a raised highway on both side of the canal.

The super-express floodway would then drain upstream run-off directly into the sea.

The university team is also looking at other flood-prevention measures such as a better early-warning system, improved water resource management, a flood tax, the use of a flood-risk map for urban development and groundwater-use controls.

“Now, the government must stop [trying to] solve flood problems with political methods,” Thanawat told the Bangkok Post. He said poor water management rather than excess rain had caused this year’s severe flooding, adding that natural swamps in the west of Thailand’s Central Plains, which once absorbed water flow, had been developed into industrial and residential areas, blocking the natural floodway.

While giant flood tunnels in the Bangkok metropolitan area could drain floodwater from the city, they could not cope with a massive inundation from the north.

“If there is no step forward, foreign investors will eventually disappear from the country and the next generation will be still worried whether flooding will happen or not,” he said.

Flooding in Southern Pakistan

Flooding in Southern Pakistan : Natural Hazards.

Flooding in Southern Pakistan

acquired October 28, 2011 download large image (8 MB, JPEG)
Flooding in Southern Pakistan

acquired September 11, 2011 download large image (8 MB, JPEG)

Floods were slowly receding in southern Pakistan’s Sindh Province in late October 2011. The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite captured these images on October 28, 2011 (top), and September 11, 2011 (bottom).

Both images use a combination of visible and infrared light to better distinguish between water and land. Water is dark blue, vegetation is green, bare ground is pink-beige, and clouds are pale blue-green.

The flooding resulted from unusually heavy monsoon rains over southern Pakistan in late summer of 2011. This flooding occurred one year after historic floods struck the country.

By late October, flooding had receded significantly, but compared to typical conditions at this time of year, water remained very high. On October 27, 2011, the United Nations Office for the Coordination of Humanitarian Affairs (OCHA) reported that stagnant water continued to pose serious environmental and health hazards. Waterborne diseases were on the rise, and the onset of winter was expected in many flood-affected areas in mid-November. Ironically, surrounded by standing water, one resource locals lacked was clean drinking water, OCHA said.

  1. References

  2. United Nations Office for the Coordination of Humanitarian Affairs. (2011, October 27). Pakistan Monsoon 2011 Highlights / Key Priorities. Accessed October 28, 2011.

NASA images courtesy MODIS Rapid Response Team, Goddard Space Flight Center. Caption by Michon Scott.

Instrument: 
Terra – MODIS

Will the Thailand floods drown the hard drive?

Will the Thailand floods drown the hard drive? | ExtremeTech.

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There’s fresh news on the imminent hard drive shortages the IT industry is facing, and it isn’t particularly good. Asus’s CFO, David Chang, has warned that the company’s supplies of HDDs will run out by the end of November.

“Substitutes for HDD are very few, so if the situation persists, not only notebook production will be affected but also desktops, and other component shipments will also drop,” Chang told Reuters. Retail prices on HDDs are already skyrocketing. The 1TB Samsung Spinpoint F3?s price has risen to $79 at Newegg, up from $69 not two weeks ago. It’s now the only 1TB drive south of a Benjamin. WD’s Caviar Green series is now up to $109 with high performance drives like the Caviar Black all the way back to $169 for a 1TB model.

Hitachi’s Deskstar 7K3000, which debuted this spring at $180 for a 3TB drive, is now selling on Newegg for a cool $399. Consumer prices are being driven by speculation, though its impossible to say if Newegg or the drive manufacturers themselves are responsible. Between the two, Newegg seems the more likely suspect. Raising HDD prices immediately may win the HDD manufacturers greater profits in the short term, but it erodes the crucial cost/GB ratio between HDDs and SSDs. Even at current retail prices, there’s still no real subsitute for a hard drive. At a certain point, however, customers will stop preferring large capacity drives at purchase, and begin opting for smaller SSDs, possibly with plans to pick up a USB 3.0-powered external once HDD prices fall again.

WD Factory, Thailed

The best way to keep that from happening is for the HDD manufacturers to keep as tight a reign on OEM costs as possible. Thus far, the price spikes here have been more modest; Asus reports jumps of 20-40 percent on certain models. Drive sourcing could become a major problem in the months to come as this type of shortage provides explosively fertile ground for a gray market in HDDs and HDD components. OEMs on razor-thin margins are going to be under enormous pressure to keep costs low, and aren’t likely to ask too many questions when it comes to securing drives.

Thailand, meanwhile, has no quick relief to offer. The government has stated that it hopes to have factories up and running again in three months, though it will take still more time for swamped industrial complexes to return to full output.

Floods Inch Closer To Heart Of Thailand's Capital

Floods Inch Closer To Heart Of Thailand’s Capital | Fox News.

BANGKOK — Clamoring aboard bamboo rafts and army trucks, residents living on the heavily inundated outskirts of Bangkok fled waterlogged homes Thursday as floodwaters inched closer to the heart of the threatened Thai capital and foreign governments urged their citizens to avoid all but essential travel.

Most of the city remained dry and most of its more than 9 million residents were staying put to protect their homes. Still, uncertainty over Bangkok’s fate and the start of a government-declared five-day holiday fueled an exodus of thousands of people fearing the worst who took to clogged highways and air terminals to get out of town.

Tears welling in her eyes, Prime Minister Yingluck Shinawatra acknowledged her government could not control the approaching deluge.

“What we’re doing today is resisting the force of nature,” Yingluck told reporters. She said the water bearing down on Bangkok was so massive that “we cannot resist all of it.”

The floods, the heaviest in Thailand in more than half a century, have drenched a third of the country’s provinces and killed close to 400 people. For weeks, they have crept down from the central plains, flowing south toward the Gulf of Thailand. Bangkok is in the way, and today it is literally surrounded by behemoth pools of water flowing around and through it via a complex network of canals and rivers.

By Thursday, flooding had inundated seven of Bangkok’s 50 districts, most on the northern outskirts. There, roads have turned into rivers and homes and businesses are swamped. On a flooded key east-west artery, police were turning back small cars, telling them the road had become impassable.

The government has expressed deep concern over higher-than-normal tides expected through the weekend. Yingluck has warned the entire city could flood if the Chao Phraya river, which snakes its way through the heart of the metropolis, crests above flood barriers lining its banks.

The river has overflowed already, sending ankle-high water lapping at the white exterior walls of Bangkok’s gilded Grand Palace, a highly treasured complex that once housed the kingdom’s monarchy and is a major tourist attraction.

The water has receded with the tides, slightly flooding the area in the morning and evening, but leaving it bone dry in the afternoon.

After visiting the Grand Palace on Thursday, American tourist Kathy Kiernan said she wasn’t too concerned about flooding in the capital.

“We were a little worried when we got in to see sandbags around our hotel,” said the 47-year-old from Salt Lake City, Utah. “But so far it’s pretty normal. Everything looks fine, though we know anything can happen.”

Though floods a day earlier swept through Bangkok’s Don Muang airport and shut it down, the city’s main international airport is operating as usual.

Several foreign governments issued advisories urging their citizens against all but essential travel to Bangkok. Britain’s Foreign Office said “flooding is likely to disrupt transport, close tourist attractions and may affect electricity and water supplies.”

The U.S. Embassy cautioned Americans that ground travel around Thailand was difficult and the situation should be monitored closely.

Buses, planes and trains at the city’s transportation hubs were filling up, as many decided to wait out the floods in their home towns or in unaffected beach resorts to Bangkok’s south and east.As fears of urban disaster set in, emergency preparations continued.

Websites posted instructions on the proper way to stack sandbags. Many residents fortified vulnerable areas of their houses with bricks, gypsum board and plastic sheets. Walls of sandbags or cinderblocks covered the entrances of many buildings.

Residents stocking up on necessities have raided supermarket shelves, setting off a cycle of panic buying, and stores have posted notices that flooding has disrupted supply chains and left them unable to restock some items. But food was nevertheless plentiful, as most of the city’s thousands of restaurants, bars and street-side food stalls were operating full-swing.

Nuntaporn Khorcharoen, whose home is adjacent to the heavily inundated Bang Phlat district, said her family had stocked up and was staying put.

“My father is adamant we have to stay to oversee the situation,” the 30-year-old said. “He said even without electricity, we will still have something to live on.”

Wendy Zukerman, Asia-Pacific reporter

bangkokfloods.jpg(Image: Altaf Qadri/AP/PA)

Bangkok’s main river broke its banks overnight forcing thousands of residents to flee the flooding Thai capital.

Last week, Thailand’s government was confident that Bangkok’s elaborate scheme of flood walls, canals, dikes and underground tunnels would protect the city of nine million people from flooding.

But quoting governor Sukhumbhand Paribatra, Reuters reports that 90 per cent of Bangkok’s northern Don Muang district is under water and another fifteen city districts were threatened by floods this weekend. “Massive water is coming,” Sukhumbhand said.

Chao Phraya River, which snakes around Bangkok, swelled after floodwaters from the north teamed with increasingly high tides. The BBC reports that Sukhumbhand issued an evacuation alert for residents in three northern districts. “This is the first time I am using the term ‘evacuation’, the first time I’m really asking you to leave,” Mr Sukhumbhand said.

Thailand’s prime minister, Yingluck Shinwatra, told the Australian Broadcasting Corporation that much of Bangkok is now expected to see floodwaters of between 10 centimetres and 1.5 metres depending on area, diversion strategies and the strength of dykes. “After assessing the situation, we expect floodwater to remain in Bangkok for around two weeks to one month before going into the sea,” she told reporters on Wednesday.

According to Reuters, this deluge is caused by unusually heavy monsoon rain.

It is Thailand’s worst flooding in fifty years. Since mid July 373 people have died, and the waters have disrupted the lives of nearly 2.5 million. More than 113,000 people are in shelters and 720,000 people seeking medical attention.

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Bangkok faces worst flooding yet

Bangkok faces worst flooding yet, governor warns – CNN.

Bangkok faces the highest flood levels yet and is preparing for the worst, the governor of the Thai capital told CNN Wednesday.

Residents are urged to flee the rising floodwaters, which have already forced the closure of Bangkok’s Don Muang airport and the evacuation of flood victims who have taken refuge there.

Thailand’s government has declared a five-day public holiday in flood-affected provinces to try to encourage people to seek safety elsewhere before high tides expected this weekend.

But Bangkok Gov. Sukhumbhand Paripatra told CNN the authorities could not evacuate a whole city and it was difficult to persuade the Thai people to leave their homes, despite the risk.

“Apparently there will be large volume of water runoff coming toward the city tonight onwards, and over the weekend,” he said. “At the point of high tide, it will be very high, the highest this year. We are bracing for the worse.”

Thongthong Chantharangsu, a spokesman for Thailand’s Flood Relief Operations Center, appealed on TV for Bangkok residents to head to the countryside.

Floodwaters extend from Rangsit, north of Bangkok, to Don Muang airport and Yingcharoen Market, state-run news agency MCOT reported.

The water has reached 30cm (12 inches) in places and is overflowing on to sidewalks and some roads, causing problems for small vehicles and leading to traffic congestion, the agency said.

In a televised address Tuesday night, Thai Prime Minister Yingluck Shinawatra said the capital could be submerged by as much as 1.5 meters (4.9 feet) of water.

Of particular concern were areas along the Chao Phraya River, which winds through the capital and is expected to overwhelm embankments this weekend.

The Airports of Thailand declared Don Muang airport, which primarily services domestic flights, closed Tuesday night, after floodwaters flowed onto runways and affected the lighting.

Nok Air, which usually operates from Don Muang, was forced to cancel flights but should be able to run an almost normal schedule by Friday after moving its operations to the main Suvarnabhumi Airport, the airline’s chief executive Patee Sarasin said Wednesday. Some 3,000 Nok Air passengers were affected by flight cancellations Tuesday, he said.

The flood relief operation will continue to be based at the airport, the Thai government said Wednesday.

More than 600 prisoners held at Bang Kwang Central Prison have been evacuated, according to the Department of Corrections. The high-security prison has about 4,000 inmates, the chief of the prison said, some of them high-profile.

The floods have also forced the Dusit Zoo to evacuate some animals, including goat antelope and Sika deer, to a zoo in the countryside, according to Dusit Zoo’s chief, Karnchai Saenwong.

The U.S. ambassador to Thailand, Kristie A. Kenny, said the crisis was slow moving and it was hard to know what would be hit next.

Thai flood causes dike breakage

Thai flood causes dike breakage, threatening area village – CNN.com.

Bangkok, Thailand (CNN) — Residents of Thailand’s Munag Ake village are being urged to evacuate the area early Tuesday morning, according to Thailand’s Flood Relief Operations Center.

The center’s director said parts of a dike at Tambon Lak Hok, Muang District, Pathum Thani province have broken and a mass of water is expected to flow into the village.

Flood waters could reach almost five feet (1.5 meters) in the village. The FROC said the Royal Thai Armed Forces will have vehicles at Rangsit University in Munag Ake village and will be moving residents out of the area.

In addition, the Thai Cabinet announced Tuesday public holidays for the end of the month due to anticipated high tides, which could further devastate the flood-ravaged country.

The holidays will be from Thursday to next Monday and will be effective in 21 provinces that are still under water, including Bangkok and its suburban provinces, a government spokeswoman said.

“The government would like to give time to people in affected areas to prepare for floods during high tide periods between (October) 28 to 30. Some people who have houses outside Bangkok could be able to live there during flood period,” said Thitima Chaiseang, the government spokeswoman.

Prime Minister Yingluck Shinawatra urged employers in both the private and public sectors to allow time off for staff affected by the floods.

In addition to allowing time off, Thailand’s Public Health Minister Wittaya Buranasiri has ordered health units be established to help ease the stress of residents. He said there are about 100,000 people suffering from stress related to the flooding.

Also, starting Tuesday, the CEO of Nok Air announced the airline is canceling flights in and out of Bangkok’s Don Muang Airport until October 31 due to the “flood crisis.” .

Pate Sarasin, CEO of Nok Air, posted a Twitter message saying “the water level is now at a critical area at the northern part of the runway.” Nok Air is allowing customers to change their flights free of charge.

Bangkok residents urged not to panic

Dealing with disaster in Thailand

Flooding impacts Thai businesses

On Monday, floodwaters in Bangkok reached Don Muang Airport, one of the Thai capital’s two main airports and home to the flood relief operation command, according to a governor.

In addition to Don Muang, residents in five other areas should prepare for floods, move their belongings to upper floors and take shelter at evacuation centers, Governor Sukhumbhand Paribatra said in a news conference on Monday.

Thammasat University’s gymnasium, which has been used as an evacuation center, is also flooded and without electricity and is itself being evacuated, the governor added.

As a remedy, about 4,000 people will be bused to Rajamangala Stadium in central Bangkok with the help of 300 to 400 volunteers, according to the governor.

In the east, the industrial estates of Lat Krabang and Bang Chan remained under threat, and volunteers were sought for help with sandbagging.

The governor urged the public not to panic and to follow his reports closely.

Protecting Bangkok was a priority because it comprises the economic heart of Thailand, Prime Minister Yingluck told CNN Sunday. “But it doesn’t mean we have no concern for the people who are suffering from the flooding,” she added.

Flooding threatens Bangkok Flooding threatens Bangkok

The decision to divert water through canals in Bangkok means parts of the city and its surrounding suburbs, such as Rangsit, are flooded.

Residents have resorted to moving out of flooded homes by boat or anything that could float — or wading through water with plastic bags of belongings balanced on their heads or pets tucked into clothes.

The government has called the flooding the worst to afflict the nation in half a century and said some areas might require more than a month before waters recede.

More high tides are expected in the coming week, which could cause rivers to back up, further raising water levels, according to Thailand’s Flood Relief Operations Command.

The government has set up more than 1,700 shelters nationwide, and more than 113,000 people have taken refuge.

Many residents waded through dirty water in the capital in recent days, as they made a desperate attempt to save their belongings.

The flooding has already killed 356 people, with nearly 9 million others affected, authorities said.

Overall damage from the floods has risen and could top $6 billion, with the worst yet to come as the waters destroy shops and paralyze factories nationwide, the Thai Finance Ministry said.

Thailand derives a significant portion of its revenue from tourism, which has been hurt by the flooding.

Flooding in Mexico

Flooding in Mexico : Image of the Day.

Flooding in Mexico

acquired October 23, 2011 download large image (5 MB, JPEG)
Flooding in Mexico

acquired October 30, 2009 download large image (7 MB, JPEG)

Several rivers in southeastern Mexico spilled over their banks in late October, according to the Latin American Herald Tribune. The Usumacinta River alone damaged homes and croplands in multiple cities, and isolated rural areas by washing out roads. The governor of the state of Tabasco estimated that regional floods had affected 90,000 residents.

The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite captured these images on October 23, 2011 (top), and October 30, 2009 (bottom). Both images use a combination of infrared and visible light to increase contrast between water and land. Water is dark blue, vegetation is bright green, and clouds are pale blue-green.

The Usumacinta River, visible as a thin river in 2009, flows past multiple lakes and ponds en route to the sea. In 2011, many of the water bodies have merged, and water sits on floodplains throughout the region. (This area also experienced severe flooding in 2010.)

The flooding in southeastern Mexico was part of a larger weather phenomenon in the region. On October 19, 2011, the United Nations News Centre reported that heavy rains had caused serious flooding in El Salvador, Costa Rica, Honduras, Guatemala, and Nicaragua, as well as Mexico. The United Nations Office for the Coordination of Humanitarian Affairs (OCHA) reported that floods had affected an estimated 154,000 residents of Guatemala, 38,000 residents of Honduras, and 134,000 residents of Nicaragua. The floods had already claimed dozens of lives, OCHA said. Persistent clouds prevented MODIS from obtaining clear views of some of these areas.

As of October 24, 2011, Tropical Storm Rina had formed off Central America. Projected to strengthen into a hurricane on October 25, the storm held the potential to bring more rain to the region.

  1. References

  2. Latin American Herald Tribune. (2011, October 24). Over 90,000 affected by rains in southeast Mexico. Accessed October 24, 2011.
  3. UN News Centre. (2011, October 19). UN approves emergency grant for El Salvador as floods ravage Central America. Accessed October 24, 2011.
  4. U.S. National Hurricane Center. (2011, October 24). Tropical Storm Rina Advisory Archive. Accessed October 24, 2011.

NASA images courtesy MODIS Rapid Response Team at NASA GSFC. Caption by Michon Scott.

Instrument: 
Terra – MODIS

Thai flooding threatens capital

Thai flooding threatens capital as residents seek refuge – CNN.com.

Bangkok, Thailand (CNN) — Thais waded through flooded streets Thursday, their belongings and children perched on their shoulders, as relentless floodwaters inched toward Bangkok.

In some residential areas, scattered rooftops peeked through muddy waters.

In others, floodwaters gushed into homes, forcing residents to gingerly climb out of apartments through windows.

It’s the worst flood to hit the country in half a century. By Thursday, the death toll had risen to 320, with nearly 9 others million affected, authorities said.

Bangkok preparing for floods

Flooding impacts Thai businesses

Dealing with disaster in Thailand

Thai flooding causing ‘heartache’

Bangkok’s Gov. Sukhumbhand Paribatra ordered authorities to open the city’s floodgates to help drain water into the sea, saying the water passing through canals in the city will be under control.

The governor’s move, which means draining out water through canals in the inner parts of the city, might lead to flooding if there are leakages, the Bangkok Metropolitan Administration said on its website.

“The situation is very uncertain as people are rushing to their homes to protect their belongings,” said Natasha Cheung, who works in northern Bangkok for the Christian aid organization World Vision.

Flooding started two months ago, and the number of affected areas has grown as more rains has lashed the region.

Officials predicted that water will enter northern Bangkok Friday.

Sukhumbhand said the situation in Bangkok is not critical, and officials did not declare additional at-risk zones beyond the seven districts announced Wednesday.

Residents in those districts were asked to move their valuables to upper floors.

Authorities also expressed confidence that the country’s main international airport, Suvarnabhumi Airport, was prepared to withstand the water’s impact. Airport officials said a 3.5-meter-high flood prevention wall protects the airport.

Overall damage from the floods could top $2 billion, with the worst yet to come as the waters destroy shops and paralyze factories nationwide, the Thai finance ministry said.

A massive effort is under way to protect one of the nation’s largest industrial parks north of Bangkok that houses companies producing electronics and components for the automotive industry.

At least 14,000 factories have been affected nationwide, with about 250,000 people out of a job due to the floods, according to Richard Han, the CEO of Hana Microelectronics.

The flooding will also disrupt the production of computers, cameras and cars because a lot of Japanese companieshave plants in the country, said Han, whose company is among those affected.

Floodwaters have forced manufacturing sites north of Bangkok to halt operations. Last week, Honda said the closure of its plant there affected the production of at least 4,500 cars.

In Bangkok, crews scrambled to widen canals and strengthen flood barriers amid fears that weekend rains and spring high tides would overwhelm parts of the city.

In the ancient city of Ayutthaya, one of the worst-hit areas, officials said the water was starting to flow toward the rivers.

The temples and monuments in the UNESCO-listed historical city have been submerged for days, prompting concern that much of the water damage will be permanent.

Government officials said they have received $2.07 million in donations, including from other countries, as food and water aid pour in for the worst-hit areas.

CNN’s Kocha Olarn and Faith Karimi contributed to this report.

flooding forces evacuation of key Thai business park

BBC News – Thai flooding: Key business park Navanakorn evacuated.

The BBC’s Rachel Harvey looks at how people are helping to shore up flood defences around the industrial estate

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One of Thailand’s oldest and largest industrial estates has been evacuated after flood waters breached its recently-fortified defences.

It comes as officials say most of Bangkok appears to have escaped the flooding, although some parts of the capital are still under threat.

Water began seeping into Navanakorn industrial estate in Pathum Thani, 45km (30 miles) from Bangkok, on Monday.

Navanakorn houses some 250 factories, employing up to 200,000 people.

As many as 1,000 soldiers and factory workers worked over the weekend, filling sandbags, reinforcing dykes and repairing holes.

Prime Minister Yingluck Shinawatra on Sunday had expressed optimism that Navanakorn would be spared, but admitted on Monday their efforts had failed.

“I feel so sorry that water has entered because we’ve been trying to prevent the industrial estate from flooding for quite a while,” she was quoted by the Bangkok Post as saying.

She said the barriers had been breached by a combination of heavy rain over the weekend, high tide levels as well as large amounts of water running-off from the flood-hit north of the country.

Navanakorn is not the only industrial estate to have been affected. Five industrial estates in the badly-flooded province of Ayutthaya have been damaged, including Factory Land, which is reported to be under 1.5m (5ft) of floodwater.

Many of these industrial estates house both local and international factories and businesses – a large number of which make electronic components and car parts.

Workers at the Navanakorn industrial zone in Pathum Thani province reinforce flood barriers on 17 October 2011 Workers at the Navanakorn industrial park have been helping to reinforce flood barriers

A number of firms – including Japanese carmakers Toyota and Honda – have been forced to suspend production because of damage to facilities or disruption to local supply chains.

The government predicts costs to the economy could total more than $3bn (£1.8bn).

Ms Yingluck is to meet with industry representatives to discuss how best to help flood-hit companies, the Bangkok Post reports.

Danger not over

Bangkok itself was breathing a bit easier on Monday, having been on a state of alert over the last few days amid fears it would be hit by the combination of run-off waters, high tides and heavy rain.

Agriculture Minister Theera Wongsamut said on Sunday there were “good signs” that water levels on the city’s key Chao Phraya river would rise no higher.

“A large amount of water from the north flowed past Bangkok to the Gulf of Thailand yesterday,” Mr Theera said.

However, Bangkok Governor Sukhumbhand Paribatra warned on Monday that the danger was not over, particularly for the Sai Mai district. He said there were reports that flood defences in many areas had been breached, and Khlong Sam Wa district might be affected, the Bangkok Post reports.

And the story is much worse for areas north of Bangkok, which have borne much of the brunt of the flooding.

The BBC’s Rachel Harvey has flown over the affected region and says that, for as far as the eye can see, the area is waterlogged. Only the tops of trees and the roofs of factories and houses can be seen above the water.

The area is going to be under water for many weeks and those who have lost their homes and livelihoods will need help for a long time to come, she says.

More than 300 people have now lost their lives since the floods which began in late July, due to heavy monsoon rains.

Neighbouring Cambodia has also been hit hard, with the loss of almost 250 people and 17 out of 23 provinces affected.

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