Maps show the areas of Wales most at risk of flooding with a full list of communities at risk
Maps have been published showing which areas of Wales are most at risk of flooding now, and in 100 years. The data has been published by Natural Resources Wales, as part of the National Floods Plan.
The report makes bleak reading. “Floods will occur more frequently in the future. They will also often be more widespread and more severe in nature, causing more risks – floods occur more quickly, with water flowing deeper and faster, for example,” the report warns. …More people and property will be at risk of flooding.”
The Department of Natural Resources Wales has powers to manage flood risk from rivers and the sea while councils have responsibility for surface water flooding. The report says the number of homes at risk from sea and river floods is rising, and by 2120 there will be an additional 60,000 people at risk of flooding from rivers. By then, 95,000 more people will be at risk of flooding from the sea compared to previous numbers.
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Climate projections indicate that there will be an increase in the frequency and intensity of extreme weather events, including storms in summer and longer periods of rain during winter, which will increase peak flows in Wales’ rivers, which in turn are expected to increase the risk of flash flood events. These floods are very difficult to forecast and forecast and can be very difficult to manage. Climate projections also suggest that sea level rise will occur in all emissions scenarios and in all locations across the UK. Coastal areas will be increasingly vulnerable to increased wave action and accelerated coastal erosion linked to climate change. These impacts will not only impact coastal communities who live and work in coastal areas, but also some of Wales’ most important natural habitats and heritage sites located along our coast.
Communities currently most at risk from flooding from rivers. Those communities in red or orange are most at risk and those in green are least at risk:
People currently at risk from marine flooding:
The places expected to see the greatest change in river flood risk in 2120 are:
- Canton, Cardiff
- Grangetown, Cardiff
- Kinmel Bay
- Lakewith, Cardiff
- Port Talbot
- Riverside, Cardiff
- Terville (New Tredegar)
- The foot of the hill
By 2120, the communities in Wales expected to see the greatest change in flood risk from the sea are Bowtown and Canton, both in Cardiff.
People most at risk as of 2120 (red shows river and sea flood risks while blue shows from rivers and green from the sea):
The document lists 14 priorities for reducing risks to people and communities from flooding from major rivers, reservoirs and the sea, including “responding to climate and natural emergencies by seeking innovative practices, promoting adaptation, and preparing for future change” “increasing the resilience of flood risk management assets” To reduce the effects of current and future flood risks. For the latest Wales political news, sign up to our newsletter here..
Natural Resources Wales says that when new flood mitigation plans are considered, designed or built, the future is taken into account. “However, we recognize that it will not be possible to prevent floods everywhere, either now or in the future, through traditional flood relief management activities, so we are also beginning long-term adaptation planning in a number of locations,” the report adds.
It is expected that there will be approximately 104,000 properties across Wales at risk of flooding from the sea and approximately 112,000 properties at risk of flooding from rivers by 2120. This represents an increase of more than 33,000 properties at risk of flooding from the sea and an increase of more than 21 One thousand properties are at risk of river flooding.
This equates to an estimated 286,000 people at risk of flooding from the sea and about 303,000 people at risk of flooding from rivers by 2120. This means an additional 95,000 people are at risk of flooding from the sea and 60,000 more people are at risk of flooding from rivers compared to 2020.