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1. When it happened?

23/12/2021 (Kampung Lubok Gong)

2. Why? What is the cause?

Sungai Lanchang overflow

3. How it is solved? What are the actions taken?

Enlargement of Sungai Lanchang estuary and pump to Sungai Golok.

4. Prevention action? If any

Increasing number of available floodgates.

5. Other important points

Good weather condition allow for constant water level decrement.

News source: SinarHarian

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Malaysia Election 2022: Washed out by Floods

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Malaysia Election 2022: Washed out by Floods

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Some voters are angry about the authorities not dealing with the increased flooding and pushing earlier than neccessary,for general electrion.

This flooding happens due to monsoon season (Tengkujuh).

Voters are angry due to the irressponsible and reckless election timing,but the election can't be delayed any longer.

This flood is caused by monsoon season,so,people are relocated to relief centre as their home are flooded.

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Flash flood in Bintulu area (Aries 78878)

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Flash flood in Bintulu area (Aries 78878)

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Article picked from online news The Borneo Post online titled:

"Tiong blames project management negligence for flash floods in Bintulu"

The flash floods happened in Bintulu was in early November this year.
The causes of the flash floods as mentioned by YB Datuk Seri Tiong were defects in the design of drains, lack of dredging work, and drains not being widened enough.
Prevention: Strict action will be taken to the agencies that responsible for the flood management and drain system  maintenance regarding the delayed projects. Widening of the drainage system, drains system maintenance and repair are the things need to be done.

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when it happened : Sunday (Jan 2) until Tuesday (Jan 4)

why? what is the caused? : Heavy rain/ strong winds, tidal waves and heavy rain happening simultaneously which can cause flash floods, overflow of seawater and coastal flooding

how it is solved? what are the actions taken? : The government is expected to fork out some RM1 billion (S$324 million) to repair damaged infrastructure/ We have already identified ‘injured’ slopes and we have taken steps to prevent landslides.

prevention action?if any: seeking long-term solutions to mitigate flooding, and pledged to provide more financial aid, including up to RM61,000 each for flood-hit families amid criticisms over how his administration had handled the disaster.

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Flooding in Kuala Terengganu was caused by the heavy rain and high tide phenomenon. The evacuation of 50 victims to relief centres (PPS) was done from the district. The first PPS was opened at Sekolah Kebangsaan(SK) Chendering  that able to accomodate 33victims from nine families while the second PPS  was opened at SK Atas Tol that accomodate 17 victims from four families.

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This incident happen on 17-19 Dicember 2021. According to Y.B Puan Elizabeth Wong Keat Ping (N37 Bukit Lanjan), this flood happen because of our existing system unable to accomodate the high water capacity cause by the 300 mm rainfall. Besides, the topographical area is low compared to the water level of the river which cause exceed water overflowing out. Lastly, Urbanization zone reduces the level of water permeability and causes high runoff. To overcome  the flood issue in the future, the Selangor State Government through the Department of Public Affairs has made a flood management plan through 2 methods which are structural measures and non-structural measures. Among the structural measures to deal with floods are building flood barriers, flood walls, flood tunnels, bypass channels and embankments for flood control purposes. Other than that, the Department of Public Affairs also planning on build a water control gate and pump house integrated with Supervisory Control System and Computerized Data Acquisition (SCADA). Next, the DPA also planning on widening and upgrading the drainage system. Onthe other hand, one of the non-structural measures is the National Flood Warning Forecasting Program (PRAB) which able to forecast monsoon floods 7 days in advance based on weather forecast data from the Malaysian Meteorological Department to warn the citizen and take safety measurement earlier. Futhermore, the  use of the Flood Hazard Map for risk assessment purposes to reduce losses due to floods. Lastly, the non-structural way to overcome the effects of flooding are  the use of Environmentally Friendly Drainage Manual (MSMA) guidelines that set mandatory requirements that must be followed for new developments in urban areas.

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Kampung Kenyah Badeng in Long Busang is situated at Ulu Balui of Sungai Rajang - (From - https://dayakdaily.com/bakun-dam-reservoir-not-a-factor-in-long-busang-flood-clarifies-sarawak-energy )

Rainfall upstream which raised the water level at the dam's reservoir (Bakun Hydroelectric Dam HEP) by an average pf 0.2m-0.3m over the past few days, the current 225.2m above sea level depth of the reservoir was still 2.8m below the spill level. Then the heavy downpour upstream of Long Busang had a particularly high impact as the community is located on a low-lying basin and on the bend of Balui river making the village susceptible to flash floods.

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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.During its furthest extent, it caused the concurrent displacement of more than 71,000 residents,and have affected over 125,000 people overall.

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1. When it is happened?
- it happened on November 26th, 2019.

2. Why? What is the caused?
- The significant of heavy rains.

3. How it is solved? What are the actions taken?
- The Malaysian National Security Council (NSC), the National Agency for Disaster Administration and the district office in respective affected areas coordinating the evacuation activities with the support of the Malaysian Fire and Rescue Department.
- The government authorities- NADMA has taken precautionary efforts to ensure that response teams are ready for the second cycle of flooding.
- NADMA, Malaysian Armed Forces and Royal Malaysian Police are conducted evacuations and established the emergency shelters.

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Boats and boating--Equipment and supplies

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Warnings of flash floods for Malaysia (75558)

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Warnings of flash floods for Malaysia (75558)

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The Meteorological Department MetMalaysia warned that the monsoon is predicted to bring about continuous rain for four days, from Dec 17 to Dec 21, on the east coast states of the peninsula.

The wet weather is expected to last until early next year due to the northeast monsoon and the La Nina cycle.

MetMalaysia has also issued a Category 1 warning – strong winds and rough seas – for Kelantan, Terengganu, and Pahang, which is expected to last until tomorrow.

“A rise in the sea level is expected in waters in these states, and there is a risk of seawater flooding on the coast.

source: https://asianews.network/warnings-of-flash-floods-for-malaysia/

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December 14, 2022

PETALING JAYA - The Meteorological Department MetMalaysia warned that the monsoon is predicted to bring about continuous rain for four days, from Dec 17 to Dec 21, on the east coast states of the peninsula.

The wet weather is expected to last until early next year due to the northeast monsoon and the La Nina cycle, said its director-general Muhammad Helmi Abdullah.

MetMalaysia has also issued a Category 1 warning - strong winds and rough seas - for Kelantan, Terengganu, and Pahang, which is expected to last until tomorrow.

"A rise in the sea level is expected in waters in these states, and there is a risk of seawater flooding on the coast.

"MetMalaysia is monitoring this situation and will issue a 'Continuous Heavy Rain Warning' If needed," said Muhammad Helmi.

He added that prolonged rain could cause the temperature to drop to 22°C on the East Coast.

Thunderstorms with heavy rain and strong winds are also expected within the peninsula's west coast, west Sabah and north Sarawak in the afternoon to early parts of the night within the next few days.

Yesterday, National Antarctica Research Centre meteorological expert Prof Datuk Dr Azizan Abu Samah told Sinar Harian that the nation would experience significant flooding within the next three days due to heavy monsoon rain triggered by the active La Nina and negative Indian Ocean Dipole (IOD) phenomena.

Meanwhile, the Irrigation and Drainage Department (DID) has issued a 24-hour flash flood warning in six states.

The affected states are Johor (Batu Pahat, Kluang, Kota Tinggi, Mersing, Muar, Pontian and Tangkak), Pahang (Kuantan and Rompin), Terengganu (Kuala Terengganu and Marang), Penang (Seberang Perai Selatan), Perak (Bagan Datuk, Hilir Perak, Kerian, Larut, Matang, Selama, Muallim and Perak Tengah), and Negri Sembilan (Port Dickson).

The warning was based on forecasts by MetMalaysia, the South-East Asia-Oceania Flash Flood Guidance System and the DID flood forecast model.

Checks on the MyPublic Infobanjir application showed that one river - Sungai Golok - in Rantau Panjang, Pasir Mas, Kelantan is in the "danger zone".

As of yesterday at 4.30pm, the river, which reached 9.36m, or 4.36m higher than its normal level of 5m with just light rainfall (1mm), has started to recede.

The rivers in four states have also reached "warning levels".

The eight rivers are Sungai Jempol, Sungai Keratong and Sungai Pahang in Pahang; Sungai Benawa, Sungai Long Teru and Sungai Marudi in Sarawak; Sungai Muar in Johor; and Sungai Tumpat in Terengganu.

Meanwhile, National Water Services Commission (SPAN) corporate communications and consumer affairs director Mohd Fazil Ismail said most dams in Peninsular Malaysia have reached their maximum level.

However, he said the situation is under control, adding that there were no closures of water treatment plants recorded in flooded areas as at 1pm yesterday.

"In total, there are 57 dams and of these, 47 are major dams (relating to raw water sources) in Peninsular Malaysia.

"The majority of dams have reached their maximum storage level.

"The other 10 are multi-functional dams such as for flood mitigation for dams regulated by the DID," he said.

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December 14, 2022 PETALING JAYA - The Meteorological Department MetMalaysia warned that the monsoon is predicted to bring about continuous rain for four days, from Dec 17 to Dec 21, on the east coast states of the peninsula.

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Heavy rain in Terengganu (4 December 2021) -81863

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Heavy rain in Terengganu (4 December 2021) -81863

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-Based on the Drainage and Irrigation Department portal at https://publicinfobanjir.water.gov.my, the water at all rivers in Terengganu is reported below the danger level as at 7.45am today with Sungai Nerus at Kampung Bukit, in Setiu, 12.56 metre, which is slightly above the warning level of 12 metre. In Hulu Terengganu, the reading at Tembat Dam is 430.49 metre. The warning level is 430 metre.
-Action taken by Terengganu State Disaster Management Committee Secretariat was opening actively temporary relief centres (PPS), namely four in Setiu, Kuala Nerus (two) and Besut (one).
-Agencies involved in flood rescue operations were given an order to stay high alert as the high tide phenomena is expected.

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On November 19, several low-lying areas in Marudi are flooded this morning as a result of yesterday's heavy rain. The affected areas are in and around Marudi town as well as Kampung Padang Kerbau, Kampung Dagang, Kampung Narum, and Marudi Wharf. However, there haven't been any reports of polling places being impacted by the town's floods. In Miri Division, there hasn't been any temporary evacuation centre (PPS) activation or actual evacuation as of yet. Although, firefighters will continue to periodically conduct flood monitoring operations to protect the public.

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1. When has it happened?
- December 2021

2. Why? What is the cause?
- Unprecedented volumes of rainfall
- Landslides

3. How it is solved? What are the actions taken?
- While government disaster response systems were overwhelmed by calls for help, citizens and civil society organisations mobilised aid. The army also moved to rescue stranded flood victims in the absence of an official directive from the National Disaster Management Agency (NADMA). Politicians were panned for their delayed response to the calamity and for ‘showboating’.
- As disasters like these are likely to recur, it is imperative that Malaysia acts to ensure the enforcement of town and city planning requirements, use modelling data to predict flood severity, and implement effective disaster mitigation and resilience plans.

4. Prevention action? If any
- The nation must build back better and incorporate river restoration, flood plain planning, sponge city approaches and community capacity-building to reduce the severity of future flooding disasters.

5. Other important points
- Impact of flood - Business premises, Agriculture, Public & Infrastructure, Living quarters, Vehicles and Manufacturing.

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75573_Mary Deborah (Expect more flooding in Malaysia because of global warming)

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75573_Mary Deborah (Expect more flooding in Malaysia because of global warming)

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Climate change could led to the environmental predicament that we are live today. The analysis shows that current temperature increase to 1.1 degrees temperature are higher compared with 19th century, humans are no longer able to stop global warming from becoming more intense in the next three decades. In the past century, the oceans have risen by over 20cm and  continue to rise by another 90cm, in part due to ice sheets in Greenland and Antarctica destabilising as well as unprecedented melting and receding of glaciers. Malaysia will be impacted by global warming, although we may not feel as such primarily because of relatively uniform temperatures all year. By 2050, Malaysia is projected to be hotter by 1.5 degree celsius and also forecasted to experience more torrential rainfall with more flooding.
Source : https://www.nst.com.my/opinion/columnists/2021/10/734295/expect-more-flooding-malaysia-because-global-warming

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Flood in Putatan and Penampang, Sabah happened this year (2022). Around 100 victims was directed to move out of their house. An emergency called was received by the Sabah Fire and Rescue department at 12:53 am when the water level was rising. All of the flood victim was evacuated by the rescuer and they were placed at a temporary shelter at Penampang Cultural Centre. The warnings regarding the thunderstorm, heavy rain, and strong wind was also had been shared and issued by the Malaysian Meteorological Department

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Homes are surrounded by floodwaters in Sohbat Pur city, a district of Pakistan’s southwestern Balochistan province, August 29, 2022.

This happens due to the continuously heavy rainfall in June-September which is it began to inundate the villages. The continuously heavy rainfall is the causes where the soil received excessive amount of water and the excessive water will causes the flood. Other than that, the drain system in this country might be the problem where the drain is small and dirty full with rubbish which this lead to blockage in the drain.
Within a month, as per the NDMA, more than 300 people had lost their lives. Three in every ten deaths occurred in Balochistan, Pakistan’s poorest province, and two in every ten in Sindh. Thousands of people had lost a roof over their head amid continuous rains. Six major rivers across the country had overflown and were expected to cause even more flood and damage will come in the future.
Drain system is also important in every country to minimize and lower the probability of flood happening in the country. The drain must be more deep and wider as it can hold enough water to make the flow smoothly and efficiently.

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Klang Valley,Malaysia in March 2022 (79973)

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Klang Valley,Malaysia in March 2022 (79973)

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As stated by the Minister of Environment and Water, the floods occurred due to unusually heavy rainfall in the space of two hours, and the existing drainage system was unable to support the high flow of water. Climate change was also a factor, as March normally witnesses drought conditions. Flood management is carried out by ensuring that power is restored to affected areas in stages, depending on access and local conditions, and by conducting round-the-clock online flood monitoring using a closed-circuit television camera. As a result of the heavy rains, 250 flood victims were evacuated from Kuala Lumpur.

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Flood in Kelantan state during the Dec 2014 to January 2015. This is the worst flooding in Kelantan since 1927 with approximately the return period of rainfall of 1: 1000 years.
Flood in Kelantan is mainly caused by heavy rainfall brought by the Northeast monsoon starting from November to March every year. It is categorized as annual flood as it occurs every year during the Monsoon season. Crossing the river from upstream systems that meet at the confluence Kuala Krai quickly cause overflow of irrigation and drainage, rain of 850mm for 10 days in Kelantan is more than the normal rate of 100 mm.

Besides heavier rain factor, there is also deforestation factor. Some deforestation even occurred in the catchment area or waterway

In December 2014, Kelantan was hit by the worst flood ever recorded in history where flood levels reach up to 5 to 10 meters. Buildings were inundated up to the 3rd and 4th floor.

How to solve?

Build a diversion channel. It will offer a different route for excess water to flow further mitigating the effects of flooding and restoring rivers to their natural water level.

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After about a decade, Kanowit was shocked with another flood; though less severe that what had happened in 2010. The water level that morning reached the height of a feet and a half, and was reported to show signs of subsiding--although slowly~ Poor drainage system was the culprit of the decade-long floodless town.

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Heavy rain affect most of Peninsular Malaysia. Flash floods and mudflows have resulted in several evacuations and damage. More than 1,000 evacuated people: 600 across Malacca, 267 in Selangor, over 160 in Kedah, 25 in Negeri Sembilan, and 14 in Perak as of 22 October. Around 260 damaged houses has been reported by the media.

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The government used the local stadium Muhibah to shelter the flood victim which expected to hit around the village around the river and the low gorund housing. the government and certain companies also widen the drain to reduce the impact of the flood before the raining season.

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The frequent flooding in Samarindah was due to it being a low-lying area, gradual urbanisation, and no masterplan to build or upgrade the drainage system.      

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A scoping review of flash floods in Malaysia : current status and the way forward (22 July 2022)

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A scoping review of flash floods in Malaysia : current status and the way forward (22 July 2022)

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This article is about flash flood which weather-relared which give huge impact to government, properties and societies. One of the reason is due to high topographic and meteorological complexity for some regions. In this findings, the interested hydrologist will make a decision to have a better water management in Malaysia due to hourly-based rainfall dataset. Hence, for future research, the researchers can use the data and could pave the way for a better understanding of flash flood in Malaysia

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Flood Events in Kajang, Selangor (December of 2021)

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Flood Events in Kajang, Selangor (December of 2021)

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Kajang, Selangor was famous for its rapid urbanization however, also well known for its flood events. The rise in annual mean of rainfall and floods was predicted in the year of 2021. Having seasonal monsoon assisted with poor urban planning which includes the drainage system capacity, has greatly induce to flood to happen.

Futhermore, according to the article investigation teams, Kajang is located at high flood potential area where most of the runoff actually accumulated.

In this flood event, almost RM 1.3 Billion has loss due to the flood damaging the properties or so-called urban surge/pluvial flooding, where the flood(s) occurs in urban area.

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Annually, Kota Tinggi town has the most flood in Johor state. In 4th January 2021, most parts of the town centre were inundated with water up to two-metres-deep and impassable to all vehicles. Most of the people trapped are those who live in shophouses or traders who operate shops in the town centre, while all commercial and daily activities have also stopped due to flooding. The floods in the town area were also caused by high tide in Sungai Kota Tinggi on Saturday. Kota Tinggi recorded a total of 2,029 evacuees from 514 families who are currently housed in 20 PPS.

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One of Malaysia most recent flood incidents that shocked our country last year [2021]. The township of Taman Sri Muda, located at Shah Alam, recorded 14 deaths. The township was entirely flooded and suffered catastrophic damage. 16 pumps were used to expedite the pumping process at Sri Muda. There was a lack of food for two days at the township, leading to looting at several inundated convenience stores and supermarkets. It's happens due to heavy downpours and also topography of that area plus the weak drainage system makes its worst. Once the flood already been overcome/ended the selangor government try to reduce the flood after effects by improving the drainage system and also building more pumps around that area.

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When: 18 December 2021
Affected areas: Klang Valley, Kampung Sungai Lui, Hulu Langat, Pahang
The causes: Heavy rains. It rained continuously for 4 days.

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According to Malaysia weather expert, Professor Datuk Dr Azizan Abu Sarah, Malaysia will experience significant flooding within the next three days due to heavy moonson rain brought by the active La nina and negative Indian Ocean Dipole (IOD) phenomena.

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1. When it happened?

23/12/2021 (Kampung Lubok Gong)

2. Why? What is the cause?

Sungai Lanchang overflow

3. How it is solved? What are the actions taken?

Enlargement of Sungai Lanchang estuary and pump to Sungai Golok.

4. Prevention action? If any

Increasing number of available floodgates.

5. Other important points

Good weather condition allow for constant water level decrement.

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Occur in most housing area except the high land and deep sea around port area. The government and companies had to spend millions to make bigger drain in every housing area in low land to reduce the impact before raining season. In November 2022, the government also prepare an emergency shelter at Stadium Muhibah, Bintulu for the flood victim. Most of the victims are from the village area which expected to live near the river and low ground area.