What caused flash flood in Malaysia?

“The floods were caused by unusually heavy rains over a period of two hours, causing the existing drainage system to be unable to contain the high water flow capacity,” he said at the Stormwater Management and Road Tunnel (SMART) control centre here.

What are the main causes of flash floods?

Most flash flooding is caused by slow-moving thunderstorms, thunderstorms repeatedly moving over the same area, or heavy rains from hurricanes and tropical storms. Occasionally, floating debris or ice can accumulate at a natural or man-made obstruction and restrict the flow of water.

What caused Malaysia flood 2021?

On 16 December 2021, a tropical depression made landfall on the eastern coast of Peninsular Malaysia, bringing torrential downpours throughout the peninsula for three days. The resulting floods affected eight states across the peninsula, and left at least 54 dead and 2 missing.

When did flood happen in Malaysia?

The flash flood happened on Wednesday, 18 August 2021 at 5.30 pm (Local Malaysian Time). The heavy downpour caused water surges and landslides on Gunung Jerai that later hit Yan, Kuala Muda, and Bandar Baharu district in Kedah with muddy flash floods.

What are the causes of floods Wikipedia?

Flooding is usually caused when a volume of water within a water body, such as a lake, overflows outside it. Sometimes if a dam breaks, it suddenly releases a large amount of water. The result is that some of the water travels to land, and ‘floods’ the area. Many rivers are in a channel, between river banks.

Why is there so much rain in Malaysia?

The rains are caused by the monsoon regime, however, being that Malaysia is near the Equator and surrounded by the sea, there is no real dry season. In addition, the rains, as is generally the case in tropical countries, are quite erratic from year to year.

What is flooding and causes of flooding?

Flooding often occurs when there is fast runoff into lakes, rivers, and other basins. This is often the case with rivers and other channels that feature steep sides. A lack of vegetation can cause flooding. Vegetation can help slow runoff and prevent flooding.

Which part of Malaysia is flooding?

Besides Johor, the number of residents evacuating from floods in Pahang, Melaka and Negeri Sembilan also continued to rise on Saturday as the four states brace for more heavy rain. An orange alert has been issued by the Malaysian Meteorological Department, forecasting rain in those states until Monday.

Is Malaysia flood caused by Typhoon Rai?

An interesting feature of Typhoon Rai is its simultaneous occurrence with flooding in Malaysia. These floods have been attributed to the interaction between: (1) the seasonal North-east Monsoon; (2) a low-pressure weather system (named Tropical Depression 29W); and (3) Typhoon Rai (Channel News Asia, 2021a).

What causes Shah Alam flood?

Heavy rainfall such as the deluge that came dumping down last weekend would cause the water levels to rise above the rivers’ capacities, he said, adding that these locations also lie in lowland areas.

What is a flood What are its causes and effects?

Floods happen when soil and vegetation cannot absorb water from downpours. Floods also occur when a river outbursts its banks and the water spills onto the floodplain. Natural processes such as hurricanes, weather systems and snowmelt can cause floods.

What problems do floods cause?

Lives are lost, properties are destroyed and if rural areas are hit crops are destroyed. Flooding causes severe damage, disrupts economic processes and causes a food shortage. Consequences of flooding on property value will cause areas who continue to have flooding problems to have a decrease in real estate value.

What are the causes and effects of floods?

The sudden melting of snow and ice produce river and lake floods. Flash floods are caused by too much rain in the mountains and in cities. Flash floods happen when heavy rain causes a lot of water to gather in a narrow space. The effect of flooding on the value of property will cause real estate to plummet in a city.

What is flash flooding?

Flash flood: A flood caused by heavy or excessive rainfall in a short period of time, generally less than 6 hours. Flash floods are usually characterized by raging torrents after heavy rains that rip through river beds, urban streets, or mountain canyons sweeping everything before them.

What happened Malaysia flood?

‘Once in 100 years’ flood: 7 killed and more than 50,000 displaced in Malaysia. KUALA LUMPUR: More than 50,000 people have been forced from their homes in Malaysia and at least seven are dead after the country faced some of its worst floods for years, officials said on Monday (Dec 20).

What problem can flood cause?

As most people are well aware, the immediate impacts of flooding include loss of human life, damage to property, destruction of crops, loss of livestock, and deterioration of health conditions owing to waterborne diseases.

How does flood happen in Malaysia?

Causes. Given Malaysia’s geographical location, most floods that occur are a natural result of cyclical monsoons during the local tropical wet season that are characterised by heavy and regular rainfall from roughly October to March.