Flood Alert Info - River Cynon

Area Description

River Cynon.
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


Flood Alert issued on 10 Mar 2020 07:39
South East
This message will be updated at 12:30 PM today or if the situation changes. At 7 AM, the level at Hirwaun was falling. A peak level of 0.8 metres occurred at 4 AM today. The level at Aberdare was falling. . A peak level of 1.1 metres occurred at 2 AM today. The level at Abercynon was falling. A peak level of 1.4 metres occurred at 5 AM today.


Flood Alert issued on 10 Mar 2020 01:42
South East
This message will be updated at 7:45 AM or if the situation changes. At 1:30 AM, river levels at Hirwaun, Aberdare, Mountain Ash and Abercynon gauges are rising


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 Hirwaun was falling. A peak level of 1.1 metres occurred at 4:00 AM today. The level at Aberdare was falling. A peak level of 1.6 metres occurred at 3:15 AM today. The level at Abercynon 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 Hirwaun was steady. The level at Aberdare was steady. The level at Abercynon was steady. River levels are expected to increase following further rainfall overnight, which is forecast to clear by 6:00 AM


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 Hirwaun was steady. The level at Aberdare was rising. The level at Mountain Ash was rising. The level at Abercynon was rising


Flood Alert issued on 28 Feb 2020 11:17
South East
This message will be updated at 6:00 PM or if the situation changes. At 11:15 AM, river levels at Hirwaun, Aberdare, Mountain Ash and Abercynon gauges are rising. This message has been issued based on forecast river levels for Friday and overnight into Saturday.


Flood Alert issued on 24 Feb 2020 12:00
South East
This message will be updated at 6:00 PM or if the situation changes. At 11:45 AM, the level at Hirwaun was falling. A peak level of 0.8 metres occurred at 10:15 AM today. The level at Aberdare was falling. A peak level of 1.7 metres occurred at 10:45 AM today. The level at Mountain Ash was steady. The level at Abercynon was rising.


Flood Alert issued on 24 Feb 2020 10:16
South East
This message will be updated at midday or if the situation changes. At 10:00 AM, river levels at Hirwaun, Aberdare, Mountain Ash and Abercynon gauges are rising.


Flood Alert issued on 16 Feb 2020 21:40
South East
This message will be updated at 7:00 AM or if the situation changes. At 9:40 PM, the level at Hirwaun was steady. A peak level of 1.3 metres occurred at 2:15 AM today. The level at Aberdare was falling. A peak level of 2.1 metres occurred at 3:30 AM today. The level at Mountain Ash was falling. A peak level of 2.1 metres occurred at 5 AM today. The level at Abercynon was falling. A peak level of 3 metres occurred at 7 AM today.


Flood Alert issued on 16 Feb 2020 17:37
South East
This message will be updated at 10:00 PM or if the situation changes. At 6:00 PM, the level at Hirwaun was falling. A peak level of 1.3 metres occurred at 2:15 AM today. The level at Aberdare was falling. . A peak level of 2.1 metres occurred at 3:30 AM today. The level at Mountain Ash was falling. A peak level of 2.1 metres occurred at 5 AM today. The level at Abercynon was falling. A peak level of 3 metres occurred at 7 AM today. .


Flood Alert issued on 16 Feb 2020 12:34
South East
This message will be updated at 6:00 PM or if the situation changes. At midday, the level at Hirwaun was falling. A peak level of 1.3 metres occurred at 2:15 AM today. The level at Aberdare was falling. A peak level of 2.1 metres occurred at 3:30 AM today. The level at Mountain Ash was falling. A peak level of 2.1 metres occurred at 5 AM today. The level at Abercynon was falling. A peak level of 3 metres occurred at 7 AM today.


Flood Alert issued on 16 Feb 2020 07:13
South East
This message will be updated at midday or if the situation changes. At 07:00 AM, the level at Hirwaun was falling. A peak level of 1.3 metres occurred at 2:15 AM today. The level at Aberdare was falling. . A peak level of 2.0 metres occurred at 3:30 AM today. The level at Mountain Ash was rising. The level at Abercynon was rising.


Flood Alert issued on 15 Feb 2020 23:09
South East
This message will be updated at 7:00 AM or if the situation changes. At 11:00 AM, the level at Hirwaun was rising. The level at Aberdare was rising. The level at Abercynon is steady at 2.24 metres.


Flood Alert issued on 15 Feb 2020 20:09
South East
This message will be updated at 10:30 PM or if the situation changes. At 8 PM, the level at Hirwaun was falling. A peak level of 1.08 metres occurred at 6 PM today. The level at Aberdare was falling. A peak level of 1.7 metres occurred at 6 PM today. The level at Abercynon was rising.


Flood Alert issued on 15 Feb 2020 12:51
South East
This message will be updated at 6:00 PM or if the situation changes. At midday, river levels at Hirwaun, Aberdare, Mountain Ash and Abercynon gauges are rising.


Flood Alert issued on 26 Oct 2019 11:35
South East
This message will be updated at 6:00 PM or if the situation changes. At 11:00 AM, the level at Hirwaun was rising. The level at Aberdare was rising. The level at Mountain Ash was rising. The level at Abercynon was rising.


Flood Alert issued on 26 Oct 2019 06:50
South East
This message will be updated at midday or if the situation changes. At 06:30 AM, the level at Hirwaun was steady. The level at Aberdare was steady. The level at Mountain Ash was steady. The level at Abercynon was steady.


Flood Alert issued on 25 Oct 2019 22:01
South East
This message will be updated at 7:00 AM or if the situation changes. At 9:45 PM, the level at Hirwaun was steady. The level at Aberdare was rising. The level at Mountain Ash was rising. The level at Abercynon was rising.


Flood Alert issued on 25 Oct 2019 18:55
South East
This message will be updated at 10:00 PM or if the situation changes. At 6:45 PM, river levels at Hirwaun, Aberdare, Mountain Ash and Abercynon gauges are rising.


Flood Alert issued on 29 Sep 2019 12:16
South East
This message will be updated at 6:00 PM or if the situation changes. At midday, the level at Hirwaun was falling. A peak level of 1.0 metre occurred at 12:30 AM today. The level at Aberdare was falling. . A peak level of 1.4 metres occurred at 12:15 AM today. The level at Mountain Ash was falling. A peak level of 2.2 metres occurred at 3:00 AM today. The level at Abercynon was falling. A peak level of 1.8 metres occurred at 5:45 AM today.


Flood Alert issued on 29 Sep 2019 06:54
South East
This message will be updated at midday or if the situation changes. At 06:30 AM, the level at Hirwaun was rising. The level at Aberdare was rising. The level at Mountain Ash was steady. The level at Abercynon was steady.


Flood Alert issued on 28 Sep 2019 23:18
South East
This message will be updated at 7:00 AM or if the situation changes. At 11:00 PM, river levels at Hirwaun, Aberdare, Mountain Ash and Abercynon gauges are rising.


Flood Alert issued on 8 Feb 2019 10:32
South East
This message will be updated at 6:00 PM or if the situation changes. At 10:20 AM, river levels at Hirwaun, Aberdare, Mountain Ash and Abercynon gauges are rising.


Flood Alert issued on 18 Dec 2018 14:03
South East
This message will be updated at 6:00 PM or if the situation changes. At 1:45 PM, river levels at Hirwaun, Aberdare, Mountain Ash and Abercynon gauges are rising.


Flood Alert issued on 13 Oct 2018 17:50
South East
This message will be updated at 10:00 PM or if the situation changes. At 5:30PM, the level at Hirwaun was falling. A peak level of 1.2 metres occurred at 9:00 AM today. The level at Aberdare was falling. A peak level of 1.6 metres occurred at 9:30 AM today. The level at Mountain Ash was falling. A peak level of 2.7 metres occurred at 10:45 AM today. The level at Abercynon was falling. A peak level of 2.4 metres occurred at 9:45 AM today.


Flood Alert issued on 13 Oct 2018 11:50
South East
This message will be updated at 6:00 PM or if the situation changes. At midday, the level at Hirwaun was falling. A peak level of 1.2 metres occurred at 9:00 AM today. The level at Aberdare was falling. A peak level of 1.6 metres occurred at 9:30 AM today. The level at Mountain Ash was falling. A peak level of 2.7 metres occurred at 10:45 AM today. The level at Abercynon was falling. A peak level of 2.4 metres occurred at 9:45 AM today.


Flood Alert issued on 13 Oct 2018 06:52
South East
This message will be updated at midday or if the situation changes. At 6:30 AM, the level at Hirwaun was falling. A peak level of 1.18 metres occurred at 12:45 PM yesterday. The level at Aberdare was falling . A peak level of 1.83 metres occurred at 12:45 PM yesterday. The level at Mountain Ash was rising. The level at Abercynon was rising.


Flood Alert issued on 12 Oct 2018 21:42
South East
This message will be updated at 7:00AM or if the situation changes. At9:15 PM, the level at Hirwaun was rising. The level at Aberdare was rising. The level at Mountain Ash was rising. The level at Abercynon was steady. Further rainfall is forecast overnight and tomorrow so river levels may rise again.


Flood Alert issued on 12 Oct 2018 17:27
South East
This message will be updated at 10:00 PM or if the situation changes. At 5:15 PM, the level at Hirwaun was falling. A peak level of 1.18 metres occurred at 12:30 PM today. The level at Aberdare was falling. A peak level of 1.82 metres occurred at 12:45 PM today. The level at Mountain Ash was falling. A peak level of 2.34 metres occurred at 4 PM today. The level at Abercynon was rising. Rainfall is forecast to continue through the night and therefore river levels may rise again.


Flood Alert issued on 12 Oct 2018 10:01
South East
This message will be updated at 6 PM or if the situation changes. At 9:45 AM, the level at Hirwaun was rising. The level at Aberdare was rising. The level at Mountain Ash was rising. The level at Abercynon 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 19:26
South East
This message will be updated at 7:00 AM or if the situation changes. At 7 PM, the level at Hirwaun was rising. The level at Aberdare was rising. The level at Mountain Ash was rising. The level at Abercynon was rising.