Flood Alert Info - River Rhymney

Area Description

River Rhymney.
This is a Flood Alert Area. For this area the highest level of flood notification that you will receive is a Flood Alert. No Flood Warnings or Severe Flood Warnings are issued for this area.
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There are no Flood Alerts currently in force for this area. See below for historical flood warnings.

Area Covered by this Flood Alert

The orange highlighted area on the map below outlines the area covered by this Flood Alert.
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Flood Alert History

Number of historic Flood Alerts that have previously been recorded for this area:
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Historical Flood Alerts for this Area

Flood Alert issued on 16 Oct 2024 16:19
South East
Flooding of low-lying land and roads is expected. Rainfall is currently affecting this area. River Levels are above normal levels. We will continue to monitor the situation.


Flood Alert issued on 21 Jan 2024 21:42
South East
Storm Isha is affecting this region. River Levels have responded to recent rainfall. River levels are above normal levels. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website.


Flood Alert issued on 27 Dec 2023 13:24
South East
Storm Gerrit is affecting this region. River Levels have responded to recent rainfall. River levels are above normal levels. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.


Flood Alert issued on 13 Jan 2023 18:18
South East
A period of adverse weather is expected to affect this region from 10pm Friday 13th January. River Levels are expected to respond to the forecast rainfall. River levels are expected to be above normal. Flooding of Low-lying land and roads is expected. . We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.


Flood Alert issued on 11 Jan 2023 16:18
South East
A period of adverse weather is expected to affect this region from 6pm on Wednesday 11th Jan. River Levels are expected to respond to the forecast rainfall. River levels are expected to be above normal. Flooding of Low-lying land and roads is expected. . We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.


Flood Alert issued on 6 Jan 2023 19:43
South East
A period of adverse weather is expected to affect this region from tonight. River Levels are expected to respond to the forecast rainfall. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.


Flood Alert issued on 20 Feb 2022 18:24
South East
This message will be updated on Floodline and on our website at 8:00 AM. At 6:15 PM, river levels at New Tredegar, Bargoed gauges are steady, while river levels at Machen, Cardiff (Llanederyn) gauges are rising.


Flood Alert issued on 29 Oct 2021 07:04
South East
This message will be updated on Floodline and on our website at 06:00 PM. At 07:00 AM, the level at New Tredegar was falling. A peak level of 1.2 metres occurred at 04:45 AM today. The level at Bargoed was falling. A peak level of 1.1 metres occurred at 05:00 AM today. The level at Machen was falling. A peak level of 1.8 metres occurred at 05:30 AM today. The level at Cardiff (Llanederyn) was rising.


Flood Alert issued on 28 Oct 2021 21:10
South East
This message will be updated on Floodline and on our website at 07:00 AM. At 9:00 PM, river levels at New Tredegar, Bargoed, Machen, Cardiff (Llanederyn) gauges are rising.


Flood Alert issued on 5 Oct 2021 01:33
South East
This message will be updated on Floodline and on our website at 7:30 AM. At 1:30 AM, river levels at New Tredegar, Bargoed have peaked and are falling, but levels at Machen and Cardiff (Llanederyn) gauges are rising.


Flood Alert issued on 20 Jan 2021 21:49
South East
This message will be updated at 8 AM or if the situation changes. At 9PM, the level at New Tredegar was falling, a peak level of 1.1m occurred at 2:15PM today. The level at Bargoed was falling. a peak level of 1.2m occurred at 3:45PM today. The level at Machen was steady. The level at Cardiff (Llanederyn) was steady. .


Flood Alert issued on 20 Jan 2021 19:00
South East
This message will be updated at 10 PM or if the situation changes. At 6PM, the level at New Tredegar was falling, a peak level of 1.1m occurred at 2:15PM today. The level at Bargoed was falling. a peak level of 1.2m occurred at 3:45PM today. The level at Machen was steady. The level at Cardiff (Llanederyn) was steady.


Flood Alert issued on 20 Jan 2021 12:28
South East
This message will be updated at 7 PM or if the situation changes. At midday, the level at New Tredegar was rising. The level at Bargoed was rising. The level at Machen was steady. The level at Cardiff (Llanederyn) was rising.


Flood Alert issued on 20 Jan 2021 07:13
South East
This message will be updated at 12:30 PM or if the situation changes. At 7:30 AM, the level at New Tredegar was rising. The level at Bargoed was rising. The level at Machen was steady. A peak level of 2 metres occurred at 3 AM today. The level at Cardiff (Llanederyn) was rising.


Flood Alert issued on 20 Jan 2021 01:35
South East
This message will be updated at 7:30 AM or if the situation changes. At 1:30 AM, river levels at New Tredegar, Bargoed, Machen, Cardiff (Llanederyn) gauges are rising.


Flood Alert issued on 27 Dec 2020 08:50
South East
This message will be updated at 9:00 PM or if the situation changes. At 8:30 AM, the level at New Tredegar was falling. A peak level of 1.0 metres occurred at 2:00 AM today. The level at Bargoed was falling. A peak level of 1.1 metres occurred at 3:00 AM today. The level at Machen was falling. A peak level of 2.0 metres occurred at 4:30 AM today. The level at Cardiff (Llanederyn) was falling. A peak level of 2.4 metres occurred at 7:30 AM today.


Flood Alert issued on 27 Dec 2020 03:19
South East
This message will be updated at 9:00 AM or if the situation changes. At 3:15 AM, river levels at New Tredegar, Bargoed, Machen, Cardiff (Llanederyn) gauges are rising.


Flood Alert issued on 23 Dec 2020 23:44
South East
This message will be updated at 7:00 AM or if the situation changes. At midnight, the level at New Tredegar was falling. A peak level of 1.58 metres occurred at 6:30 PM today. The level at Bargoed was falling. A peak level of 1.37 metres occurred at 7 PM today. The level at Machen was falling. A peak level of 2.32 metres occurred at 5:30 PM today. The level at Cardiff (Llanederyn) was falling. A peak level of 2.79 metres occurred at 8:30 PM today.


Flood Alert issued on 23 Dec 2020 20:04
South East
This message will be updated at 12 PM or if the situation changes. At 8 PM, the level at New Tredegar was falling. A peak level of 1.58 metres occurred at 6:30 PM today. The level at Bargoed was falling. A peak level of 1.37 metres occurred at 7 PM today. The level at Machen was rising slowly. A peak level of 2.32 metres occurred at 5:30 PM today. The level at Cardiff (Llanederyn) was rising.


Flood Alert issued on 23 Dec 2020 15:04
South East
This message will be updated at 8:00 PM or if the situation changes. At 3PM, river levels at New Tredegar, Bargoed, Machen, Cardiff (Llanederyn) gauges are rising.


Flood Alert issued on 19 Dec 2020 07:09
South East
This message will be updated at 6:00 PM or if the situation changes. At 7:00 AM, the level at New Tredegar was falling. A peak level of 1.5 metres occurred at 01:15 AM today. The level at Bargoed was falling. A peak level of 1.4 metres occurred at 01:40 AM today. The level at Machen was falling. A peak level of 2.3 metres occurred at 04:00 AM today. The level at Cardiff (Llanederyn) was rising.


Flood Alert issued on 18 Dec 2020 18:01
South East
This message will be updated at 7:00 AM or if the situation changes. At 5:00 PM, the level at New Tredegar was rising. The level at Bargoed was steady. The level at Machen was steady. The level at Cardiff (Llanederyn) was steady. Further rain is forecast this evening and overnight which could see river levels rise again.


Flood Alert issued on 18 Dec 2020 13:08
South East
This message will be updated at 6:00 PM or if the situation changes. At 1:00 PM, river levels at New Tredegar, Bargoed, Machen, Cardiff (Llanederyn) gauges are rising. This Flood Alert has been issued based on forecast river levels for this afternoon and tonight


Flood Alert issued on 29 Feb 2020 12:03
South East
This message will be updated at 6:00 PM or if the situation changes. At 6:15 AM, the level at New Tredegar was falling. A peak level of 1.4 metres occurred at 3:45 AM today. The level at Bargoed was falling. A peak level of 1.3 metres occurred at 4:15 AM today. The level at Machen was falling. A peak level of 2.4 metres occurred at 5:30 AM today. The level at Cardiff (Llanederyn) was falling. A peak level of 2.8 metres occurred at 8:45 AM today.


Flood Alert issued on 29 Feb 2020 06:45
South East
This message will be updated at midday or if the situation changes. At 6:15 AM, the level at New Tredegar was falling. A peak level of 1.4 metres occurred at 3:45 AM today. The level at Bargoed was falling. A peak level of 1.3 metres occurred at 4:15 AM today. The level at Machen was steady. The level at Cardiff (Llanederyn) was rising.


Flood Alert issued on 28 Feb 2020 22:04
South East
This message will be updated at 7:00 AM or if the situation changes. At 10:00 PM, the level at New Tredegar was rising. The level at Bargoed was steady. The level at Machen was falling. A peak level of 2.0 metres occurred at 7:00 PM today. The level at Cardiff (Llanederyn) was rising


Flood Alert issued on 28 Feb 2020 17:54
South East
This message will be updated at 10:00 PM or if the situation changes. At 6:00 PM, the level at New Tredegar was rising. The level at Bargoed was rising. The level at Machen was rising. The level at Cardiff (Llanederyn) was rising


Flood Alert issued on 16 Feb 2020 21:46
South East
This message will be updated at 7:00 AM or if the situation changes. At 9:45 PM, the level at New Tredegar was falling. A peak level of 2.3 metres occurred at 3:30 AM today. The level at Bargoed was falling. A peak level of 2.3 metres occurred at 3:30 AM today. The level at Machen was falling. A peak level of 3.4 metres occurred at 6:30 AM today. The level at Cardiff (Llanederyn) was falling. A peak level of 3.7 metres occurred at 10:45 AM today.


Flood Alert issued on 16 Feb 2020 17:28
South East
This message will be updated at 10:00 PM or if the situation changes. At 5:25 PM, the level at New Tredegar was falling. A peak level of 2.3 metres occurred at 3:30 AM today. The level at Bargoed was falling. A peak level of 2.3 metres occurred at 3:30 AM today. The level at Machen was falling. A peak level of 3.4 metres occurred at 6:30 AM today. The level at Cardiff (Llanederyn) was falling. A peak level of 3.7 metres occurred at 10:45 AM today.


Flood Alert issued on 16 Feb 2020 12:43
South East
This message will be updated at 6:00 PM or if the situation changes. At midday, the level at New Tredegar was falling. The level at Bargoed was falling. The level at Machen was falling. The level at Cardiff (Llanederyn) was falling.


Flood Alert issued on 16 Feb 2020 07:27
South East
This message will be updated at midday or if the situation changes. At 7:20 AM, the level at New Tredegar was falling. A peak level of 2.3 metres occurred at 3:30 AM today. The level at Bargoed was rising. A peak level of 2.3 metres occurred at 3:30 AM today. The level at Machen was falling. A peak level of 3.6 metres occurred at 6:40 AM today. The level at Cardiff (Llanederyn) was rising.


Flood Alert issued on 15 Feb 2020 23:21
South East
This message will be updated at 7:00 AM or if the situation changes. At 11:15 PM, the level at New Tredegar was rising. The level at Bargoed was rising. The level at Machen was falling. A peak level of 2.62 metres occurred at 8 PM today and river levels are expected to rise again overnight. The level at Cardiff (Llanederyn) was rising.


Flood Alert issued on 15 Feb 2020 20:22
South East
This message will be updated at 11 PM or if the situation changes. At 8:15 PM, the level at New Tredegar was falling. A peak level of 1.76 metres occurred at 6:15 PM today. The level at Bargoed was falling. A peak level of 1.6 metres occurred at 6:30 PM today. The level at Machen was rising. The level at Cardiff (Llanederyn) was rising.


Flood Alert issued on 15 Feb 2020 13:40
South East
This message will be updated at 6:00 PM or if the situation changes. At 1:30 PM, river levels at New Tredegar, Bargoed, Machen, Cardiff (Llanederyn) gauges are rising.