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Showing posts with label Heavy Rains. Show all posts
Showing posts with label Heavy Rains. Show all posts

Wednesday, August 8, 2018

#Thailand - Thousands to be hit by Kaeng Krachan overspill


FLOODING INEVITABLE AS DISCHARGE SWEEPS ACROSS AREAS ALONG PHETCHABURI RIVER

COMMUNITIES IN Phetchaburi’s Muang district are expected to be flooded for about two weeks after run-off from the overwhelmed Kaeng Krachan Dam hit the area last night.


 The dam was discharging between 200 and 250 cubic metres of water per second, as of press time yesterday. The Phetchaburi River, which runs into the Muang district at the heart of Phetchaburi, can hold about 150 cubic metres of water per second. 

“Although we must discharge water from the dam, we are trying to reduce the volume that will go into the river by diverting some 55 cubic metres of runoff to a canal and irrigation systems,” Royal Irrigation Department’s director-general Thongplew Kongjun said. 


 Regardless of their efforts, it would be inevitable that thousands of people in communities in low-lying zones along the Phetchaburi River would face flooding, he said. 

He estimated the floodwater level would be about 50 centimetres. 


 Water volume in the Kaeng Krachan National Park, in the upper part of Phetchaburi province, has already exceeded its holding capacity. 

Prime Minister General Prayut Chan-o-cha is expected to inspect water discharge at the dam today. 

“Natural disasters are unavoidable but the government will try to minimise adverse impacts,” he said. 

Agriculture and Cooperatives Minister Grisada Boonrach yesterday said that good preparations had been made to minimise the impact on people living in Phetchaburi’s town. 

“We have even diverted some water into empty farmland along the way. By doing this, the runoff will be reduced. It will also be slower for the runoff to reach the town, giving residents there enough time to move their belongings,” he said. 

Prayut emphasised that people living downstream must move their belongings to higher ground and evacuate if floodwaters continued to rise. 

The weather bureau has forecast increased rainfall and heavier downpours in various parts of Thailand until tomorrow. 


Landslides and flood warnings were issued for 35 provinces. 

Apart from Phetchaburi, Chiang Rai, Phayao, Nan, Tak, Kamphaeng Phet, Sukhothai, Phitsanulok, Phichit, Phetchabun, Nong Khai, Bueng Kan, Udon Thani, Sakon Nakhon, Nakhon Phanom, Mukdahan, Ratchaburi, Suphan Buri, Kanchanaburi, Uthai Thani, Chainat, Nakhon Sawan, Nakhon Nayok, Prachin Buri, Sa Kaew, Chon Buri, Rayong, Chanthaburi, Trat, Prachuap Khiri Khan, Chumphon, Surat Thani, Ranong, Phang Nga and Phuket are also at risk. 

Grisada said if it rained, the water volume going to the Phetchaburi River might be up to 300 cubic metres per second. 

“That means Phetchaburi town may succumb to floods. [However] with current preparations, flooding should not be as widespread as last year,” he said. 

The Royal Irrigation Department has been closely monitoring water levels at large and medium-size reservoirs across the country. 

As of yesterday, water volume at two large dams – Nam Oun in Sakhon Nakhon province and Kaeng Krachan in Phetchaburi – exceeded their capacity. 

About 21 medium-size dams were also overwhelmed, most of them in the Northeast. 
Kanchanaburi Governor Jirakiat Bhumisawasdi yesterday warned people downstream of three local dams – the Srinakharin, Vajiralongkorn and Mae Klong – to be aware of the overflowing river. 

The Srinakharin Dam has now discharged 20 million cubic metres of water, the Vajiralongkorn Dam 43 million cubic metres of water, and the Mae Klong Dam 60 million cubic metres of water. 

“We have noticed that water levels in downstream zones has risen by between 30 and 40 centimeters,” Jirakiat said. 

He said local authorities are preparing flood relief and rescue operations. 
A landslide already hit Mae Hong Son province yesterday morning, with a local road blocked by large rocks. 

Sop Moei district chief Pha-ob Binsa-ard said local officials were trying to clear the blockage with heavy machinery.

Source - TheNation

https://12go.asia/?z=581915
 
 

Monday, August 6, 2018

#Thailand - Weather warnings issued as heavy rains threaten Phetchaburi dams


Heavy rains have battered Thailand’s West, North and Northeast over the past few weeks, causing dams to fill up early in the annual wet season, threatening to flood downstream areas.

The Thai Meteorological Department (TMD) said that from today until Thursday, “a monsoonal trough will lie across the upper North and upper Northeast while the southwest monsoon will strengthen across the Andaman Sea and the Gulf of Thailand. Outbreaks of more rain, as well as isolated heavy downpours will be expected.”

Meanwhile heavy rains are causing problems a lot further South, with residents in low-lying parts of Phetchaburi province being warned to brace for flash floods with the local Kaeng Krachan dam expected to reach maximum capacity on Sunday.


Heavy rainfall has hit Phetchaburi and nearby provinces over recent days causing huge amounts of water to flow into the dam. The dam was reported to be at 97 per cent capacity as of Saturday evening with water starting to flow into the spillways, threatening downstream villages.

Further south, the TMD is warning of strong winds and two to four-metre high waves in the Andaman Sea and two to three-metre high waves in the upper Gulf of Thailand.

“Ships should proceed with caution, and small boats should stay ashore. People along the coast of the western South and the East should beware of strong winds,” the TMD warned.

The forecast says that scattered to fairly widespread thundershowers with isolated heavy rain will persist until Friday. From Phuket northwards, there will be southwesterly winds of between 20 to 45 kilometres per hour, waves two to four metres high and above four metres high in areas getting thundershowers. 


 People in western provinces urged to move to higher ground as more water to be released from reservoirs.

MANY dams in the western region are rapidly filling up due to heavy downpours, with the situation at Kaeng Krachan Dam being of the greatest concern.

The reservoir was expected to reach maximum capacity last night.


Source - TheNation

https://12go.asia/?z=581915