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 Alert Messages for this Area

  • We have only been collating detailed flood messages since May 2017.
  • Each Flood Alert may have multiple updates. The messages listed below may therefore be greater than the number of alerts detailed in the Flood Alert table above.

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.


Flood Alert issued on 26 Oct 2019 17:43
South East
This message will be updated at 10:00 PM or if the situation changes. At 5:30 PM, 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 rising.


Flood Alert issued on 26 Oct 2019 11:52
South East
This message will be updated at 6:00 PM or if the situation changes. At 11:30 AM, the level at New Tredegar was rising. The level at Bargoed was rising. The level at Machen was rising.


Flood Alert issued on 26 Oct 2019 07:23
South East
This message will be updated at midday or if the situation changes. At 7:00 AM, the level at New Tredegar was steady. A peak level of 1.4 metres occurred at 10:45 PM yesterday. The level at Bargoed was steady. A peak level of 1.2 metres occurred at 10:45 PM yesterday. The level at Machen was steady. A peak level of 2.2 metres occurred at 12:15 AM today.


Flood Alert issued on 25 Oct 2019 23:38
South East
This message will be updated at 7:45 AM or if the situation changes. At 11:30 PM, the level at New Tredegar was falling. The level at Bargoed was rising. The level at Machen was rising. The level at Cardiff (Llanederyn) was rising.


Flood Alert issued on 25 Oct 2019 21:17
South East
This message will be updated at 11:30 PM or if the situation changes. At 9 PM, river levels at New Tredegar, Bargoed, Machen and Cardiff (Llanederyn) gauges are rising.


Flood Alert issued on 29 Sep 2019 12:01
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. A peak level of 1.3 metres occurred at 12:30 AM today. The level at Bargoed was falling. A peak level of 1.2 metres occurred at 1:00 AM today. The level at Machen was falling. A peak level of 2.4 metres occurred at 2:15 AM today. The level at Cardiff (Llanederyn) was falling. A peak level of 2.7 metres occurred at 7:15 AM today.


Flood Alert issued on 29 Sep 2019 07:01
South East
This message will be updated at midday or if the situation changes. At 06:30 AM, the level at New Tredegar was rising. The level at Bargoed was rising. The level at Machen was steady.


Flood Alert issued on 29 Sep 2019 00:02
South East
This message will be updated at 7:00 AM or if the situation changes. At midnight, river levels at New Tredegar, Bargoed, Machen, Cardiff (Llanederyn) gauges are rising.


Flood Alert issued on 13 Oct 2018 12:13
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. A peak level of 1.6 metres occurred at 9:45 AM today. The level at Bargoed was falling. A peak level of 1.2 metres occurred at 10:30 AM today. The level at Machen was rising. The level at Cardiff (Llanederyn) was steady.


Flood Alert issued on 13 Oct 2018 06:56
South East
This message will be updated at midday or if the situation changes. At 6:45 AM, the level at New Tredegar was falling. A peak level of 1.66 metres occurred at 1:00 PM yesterday. The level at Bargoed was falling. A peak level of 1.29 metres occurred at 1:30 PM yesterday. The level at Machen was steady. The level at Cardiff (Llanederyn) was falling. A peak level of 1.82 metres occurred at 5:20 PM yesterday. Further rainfall and elevated river levels are forecast through Saturday morning.


Flood Alert issued on 12 Oct 2018 21:47
South East
This message will be updated at 7:00AM or if the situation changes. At 9:15 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. Further rainfall is forecast overnight and tomorrow so river levels may rise again.


Flood Alert issued on 12 Oct 2018 17:52
South East
This message will be updated at 10:00 PM or if the situation changes. At 5:15 PM; the level at New Tredegar was rising. The level at Bargoed was steady. The level at Machen was falling. A peak level of 1.62 metres occurred at 3 PM today. The level at Cardiff (Llanederyn) was steady. Further rain is forecast overnight so river levels may rise again.


Flood Alert issued on 12 Oct 2018 12:25
South East
This message will be updated at 6:00 PM or if the situation changes. At 12:20 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. A prolonged period of rainfall is expected from Friday morning until Sunday 14th October. River levels are expected to remain high over the weekend.


Flood Alert issued on 20 Sep 2018 20:29
South East
This message will be updated at 7:00 AM or if the situation changes. At 8:15 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.