Flood Alert Info - Rhondda Rivers

Area Description

Rhondda Rivers.
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 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 Maerdy was falling. A peak level of 1.1 metres occurred at 3:15 AM today. The level at Ynyshir was falling. A peak level of 1.3 metres occurred at 3:30 AM today. The level at Tynewydd was falling. A peak level of 1.5 metres occurred at 2:45 AM today. The level at Gelli was falling. A peak level of 1.8 metres occurred at 3:15 AM today. The level at Trehafod was falling. A peak level of 3.3 metres occurred at 4:00 AM today.


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 Maerdy was steady. The level at Ynyshir was falling. A peak level of 1.0 metres occurred at 7:00 PM today. The level at Tynewydd was rising. The level at Gelli was steady. The level at Trehafod 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 Maerdy was rising. The level at Ynyshir was rising. The level at Tynewydd was rising. The level at Gelli was rising. The level at Trehafod was rising.


Flood Alert issued on 28 Feb 2020 14:47
South East
This message will be updated at 6:00 PM or if the situation changes. At 11:15 AM, river levels at Maerdy, Ynyshir, Tynewydd, Gelli and Trehafod gauges are rising. This message has been issued based on forecast river levels for Friday and overnight into Saturday.


Flood Alert issued on 28 Feb 2020 11:46
South East
No additional information available


Flood Alert issued on 24 Feb 2020 12:02
South East
This message will be updated at 6:00 PM or if the situation changes. At 11:45 AM, the level at Maerdy was falling. A peak level of 0.8 metres occurred at 11:00 AM today. The level at Ynyshir was falling. A peak level of 1.0 metres occurred at 11:00 AM today. The level at Tynewydd was falling. A peak level of 1.1 metres occurred at 10:30 AM today. The level at Gelli was falling. A peak level of 1.3 metres occurred at 10:45 AM today. The level at Trehafod was rising.


Flood Alert issued on 24 Feb 2020 10:18
South East
This message will be updated at midday or if the situation changes. At 10:00 AM, river levels at Maerdy, Ynyshir, Tynewydd, Gelli and Trehafod gauges are rising.


Flood Alert issued on 16 Feb 2020 21:38
South East
This message will be updated at 7:00 AM or if the situation changes. At 9:40 PM, the level at Maerdy was falling. A peak level of 1.4 metres occurred at 2:30 AM today. The level at Ynyshir was falling. A peak level of 1.8 metres occurred at 3:00 AM today. The level at Tynewydd was falling. A peak level of 1.6 metres occurred at 2:45 AM today. The level at Gelli was falling. A peak level of 2.0 metres occurred at 3:15 AM today. The level at Trehafod was falling. A peak level of 3.9 metres occurred at 4:00 AM today.


Flood Alert issued on 16 Feb 2020 17:19
South East
This message will be updated at 10:00 PM or if the situation changes. At 5:15 PM, the level at Maerdy was falling. A peak level of 1.4 metres occurred at 2:30 AM today. The level at Ynyshir was falling. . A peak level of 1.8 metres occurred at 3:00 AM today. The level at Tynewydd was falling. A peak level of 1.6 metres occurred at 2:45 AM today. The level at Gelli was falling. A peak level of 2.0 metres occurred at 3:15 AM today. The level at Trehafod was falling. A peak level of 3.9 metres occurred at 4:00 AM today.


Flood Alert issued on 16 Feb 2020 12:54
South East
This message will be updated at 6:00 PM or if the situation changes. At midday, the level at Maerdy was falling. The level at Ynyshir was falling. The level at Tynewydd was falling. The level at Gelli was falling. The level at Trehafod was falling.


Flood Alert issued on 16 Feb 2020 07:21
South East
This message will be updated at midday or if the situation changes. At 7:15 AM, the level at Maerdy was falling. A peak level of 1.3 metres occurred at 2:45 AM today. The level at Ynyshir was falling. . A peak level of 1.7 metres occurred at 3:00 AM today. The level at Tynewydd was falling. A peak level of 1.6 metres occurred at 2:45 AM today. The level at Gelli was rising. A peak level of 2.0 metres occurred at 3:15 AM today. The level at Trehafod was falling. A peak level of 3.9 metres occurred at 4:00 AM today.


Flood Alert issued on 15 Feb 2020 23:07
South East
This message will be updated at 7:00 AM or if the situation changes. At 11 PM, the level at Maerdy was rising. The level at Ynyshir was rising. The level at Tynewydd was rising. The level at Gelli was rising. The level at Trehafod was rising.


Flood Alert issued on 15 Feb 2020 20:18
South East
This message will be updated at 10:30 PM or if the situation changes. At 8 PM, the level at Maerdy was falling. A peak level of 1.12 metres occurred at 5:30 PM today. The level at Ynyshir was falling. A peak level of 1.3 metres occurred at 5:30 PM today. The level at Tynewydd was falling. A peak level of 1.18 metres occurred at 5 PM today. The level at Gelli was falling. A peak level of 1.43 metres occurred at 5:15 PM today. The level at Trehafod was falling. A peak level of 2.6 metres occurred at 6 PM today


Flood Alert issued on 15 Feb 2020 14:43
South East
This message will be updated at 6:00 PM or if the situation changes. At 2:30 PM, river levels at Maerdy, Ynyshir, Tynewydd, Gelli and Trehafod gauges are rising.


Flood Alert issued on 26 Oct 2019 11:45
South East
This message will be updated at 6:00 PM or if the situation changes. At 11:30 AM, the level at Maerdy was rising. The level at Ynyshir was rising. The level at Tynewydd was falling. The level at Gelli was falling. The level at Trehafod was rising.


Flood Alert issued on 26 Oct 2019 07:11
South East
This message will be updated at midday or if the situation changes. At 6:45 AM, the level at Maerdy was falling. A peak level of 1.1 metres occurred at 10:30 PM yesterday. The level at Ynyshir was steady. A peak level of 1.2 metres occurred at 10:30 PM yesterday. The level at Tynewydd was steady. A peak level of 1.2 metres occurred at 10:15 PM yesterday. The level at Gelli was steady. A peak level of 1.5 metres occurred at 10:30 PM yesterday. The level at Trehafod was steady. A peak level of 2.6 metres occurred at 11:30 PM yesterday.


Flood Alert issued on 25 Oct 2019 23:39
South East
This message will be updated at 7:30 AM or if the situation changes. At 11:15 PM, the level at Maerdy was steady. The level at Ynyshir was steady. The level at Tynewydd was falling. The level at Gelli was rising. The level at Trehafod was rising.


Flood Alert issued on 25 Oct 2019 21:25
South East
This message will be updated at 11:30 PM or if the situation changes. At 9:15 PM, river levels at Maerdy, Ynyshir, Tynewydd, Gelli and Trehafod gauges are rising.


Flood Alert issued on 29 Sep 2019 06:57
South East
This message will be updated at midday or if the situation changes. At 06:30 AM, the level at Maerdy was rising. The level at Ynyshir was steady. The level at Tynewydd was rising. The level at Gelli was rising. The level at Trehafod was rising.


Flood Alert issued on 28 Sep 2019 22:28
South East
This message will be updated at 7:00 AM or if the situation changes. At 10:15 PM, river levels at Maerdy, Ynyshir, Tynewydd, Gelli and Trehafod gauges are rising.


Flood Alert issued on 16 Aug 2019 21:55
South East
This message will be updated at 8:00 AM or if the situation changes. At 10:00 PM, the level at Maerdy was falling. A peak level of 0.9 metres occurred at 7:45 PM today. The level at Ynyshir was falling. . A peak level of 1.0 metres occurred at 7:30 PM today. The level at Tynewydd was falling. A peak level of 1.2 metres occurred at 8:00 PM today. The level at Gelli was falling. A peak level of 1.4 metres occurred at 8:00 PM today. The level at Trehafod was steady. Heavy rainfall has now cleared and the river level will drop further overnight.


Flood Alert issued on 16 Aug 2019 19:46
South East
This message will be updated at 10:00 PM or if the situation changes. At 7:45 PM, river levels at Maerdy, Ynyshir, Tynewydd, Gelli and Trehafod gauges are rising. Heavy rainfall is forecast to end by around 11PM.


Flood Alert issued on 7 Dec 2018 09:54
South East
This message will be updated at 6:00 PM or if the situation changes. At 9:30 AM, the level at Maerdy was falling. A peak level of 0.9 metres occurred at 6:00 AM today. The level at Ynyshir was falling. A peak level of 1.0 metres occurred at 6:30 AM today. The level at Tynweydd was falling. A peak level of 1.3 metres occurred at 5:00 AM today. The level at Gelli was falling. A peak level of 1.5 metres occurred at 5:40 AM today. The level at Trehafod was falling. A peak level of 2.7 metres occurred at 6:30 AM today.


Flood Alert issued on 7 Dec 2018 05:11
South East
This message will be updated at 10:00 AM or if the situation changes. At 5:00 AM, river levels at Maerdy, Ynyshir, Treherbert, Gelli, Trehafod and Hopkinstown 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 Maerdy was falling. A peak level of 1 metre occurred at 9:00 AM today. The level at Ynyshir was falling. A peak level of 1.2 metres occurred at 9:00 AM today. The level at Treherbert was falling. A peak level of 1.37 metres occurred at 8:45 AM today. The level at Gelli was falling. A peak level of 1.7 metres occurred at 9:00 AM yesterday. The level at Trehafod was falling. A peak level of 2.9 metres occurred at 9:45 AM today.


Flood Alert issued on 13 Oct 2018 06:52
South East
No additional information available


Flood Alert issued on 12 Oct 2018 21:39
South East
This message will be updated at 7:00AM or if the situation changes. At 9:15 PM, the level at Maerdy was rising. The level at Ynyshir was rising. The level at Treherbert was rising. The level at Gelli was rising. The level at Trehafod was steady. Further rainfall is forecast overnight and tomorrow so river levels could rise again.


Flood Alert issued on 12 Oct 2018 17:46
South East
This message will be updated at 10:00 PM or if the situation changes. At 5:15 PM, the level at Maerdy was falling. A peak level of 1.47 metres occurred at 12:30 PM today. The level at Ynyshir was falling. A peak level of 1.16 metres occurred at 12:15 PM today. The level at Treherbert was falling. A peak level of 1.47 metres occurred at 12:15 PM today. The level at Gelli was falling. A peak level of 1.71 metres occurred at 12:30 PM today. The level at Trehafod was falling. A peak level of 2.71 metres occurred at 1:30 PM today. Further rainfall is forecast overnight so river levels may rise again


Flood Alert issued on 12 Oct 2018 10:30
South East
This message will be updated at 6:00 PM or if the situation changes. At 10:15 AM, the level at Maerdy was rising. The level at Ynyshir was rising. The level at Treherbert was rising. The level at Gelli was rising. The level at Trehafod was rising. The level at Hopkinstown 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 19:08
South East
This message will be updated at 7:00 AM or if the situation changes. At 7 PM, the level at Maerdy was rising. The level at Ynyshir was rising. The level at Treherbert was rising. The level at Gelli was rising. The level at Trehafod was rising. The level at Hopkinstown was rising.