Flood Alert Info - Rivers Taf and Cynin

Area Description

Rivers in the Taf and Cynin catchments .

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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Flood Alert Currently in Force

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 13 Nov 2018 22:55
South West
The rainfall is forecast to continue until 06:00 AM on Wednesday 14th November. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding of low-lying land from early on Wednesday 14th November through until the afternoon. This message may be updated should the situation change.


Flood Alert issued on 11 Nov 2018 11:03
South West
The heaviest rainfall has cleared the area, however isolated showers are forecast throughout Sunday and overnight into Monday. River levels in the Taf and Cynin catchments have responded to last night’s rainfall but the situation is improving, and risk of flooding is continually reducing. We will continue to monitor conditions and will update this message as the situation changes.


Flood Alert issued on 10 Nov 2018 12:00
South West
The heaviest rainfall has cleared the area. Isolated showers are expected over the remainder of the weekend. River levels in the lower reaches of the River Taf remain high but are receding and are expected to continue to recede. The situation is improving, and risk of flooding is continually reducing. We are continuing to monitor conditions and we will update this message if the situation changes.


Flood Alert issued on 9 Nov 2018 14:16
South West
The levels of the Rivers Taf and Cynin at monitored locations within the catchments are currently below the flood alert thresholds but a heavy band of rain, approaching this area during the afternoon, is expected to raise river levels substantially above the alert threshold. The rainfall is forecast to continue until 8:00 PM on Friday the 9th of November. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding of low-lying land during the next 24 hours.


Flood Alert issued on 8 Nov 2018 19:31
South West
The river levels in the Taf and Cynin remain fairly high. Due to the combination of ground conditions, existing river levels and further bands of rain expected overnight, river levels are likely to remain elevated. Flooding of low-lying land is expected to continue. We will update this messages as the situation changes.


Flood Alert issued on 7 Nov 2018 18:32
South West
The river levels in the River Taf are elevated. Levels are currently dropping and will continue to drop overnight. Due to the combination of ground conditions, existing river levels and further bands of rain expected during Thursday, river levels are likely to remain elevated. Flooding of low-lying land is expected to continue. We will update this messages as the situation changes.


Flood Alert issued on 6 Nov 2018 16:28
South West
The rainfall is forecast to continue overnight on Tuesday 6th November and into the morning of Wednesday 7th November. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding of low-lying land during the next 24 hours.


Flood Alert issued on 11 Oct 2018 18:15
South West
A prolonged period of rainfall is expected from the early hours of Friday morning 12th of October, until the Sunday the 14th of October. River levels are expected to rise during Friday morning and will remain high over the weekend giving a high risk of flooding to low-lying land and roads. You can monitor the situation using our river levels online service on the Natural Resources Wales website. We will update this message tomorrow as confidence in the forecast improves.


Flood Alert issued on 11 Oct 2018 17:37
South West
A prolonged period of rainfall is expected from the early hours of Friday morning 12th of September, until the Sunday the 14th of September. River levels are expected to rise during Friday morning and will remain high over the weekend giving a high risk of flooding to low-lying land and roads. You can monitor the situation using our river levels online service on the Natural Resources Wales website. We will update this message tomorrow as confidence in the forecast improves.


Flood Alert issued on 20 Sep 2018 12:14
South West
A widespread area of rain is currently affecting the area. The rainfall is forecast to be prolonged through today, Thursday the 20th of September. Heavy rain is expected at times later. This rain is forecast to become more broken this evening, with the prolonged rainfall eventually clearing to leave more scattered showers during the early hours of Friday morning. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding of low-lying land this from Thursday afternoon through to Friday morning.


Flood Alert issued on 26 Aug 2018 11:46
South West
The rainfall is forecast to ease by 13:30 PM on Sunday the 26th August. The combination of ground conditions, existing river levels and rainfall quantities from the heavy band of rain having fallen earlier this morning gives a high risk of flooding of low-lying land adjacent to rivers Taf and Cynin. River levels are rising in response to the heavy rainfall, although it is the smaller rivers in the area which are more likely to be affected.


Flood Alert issued on 29 Jul 2018 07:35
South West
The rainfall is forecast to ease by 10:00. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding of low-lying land over the weekend


Flood Alert issued on 2 Apr 2018 05:58
South West
The rainfall is forecast to continue until 9:00AM today, Monday 2nd April. Further heavy showers are expected throughout the day. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding of low-lying land during the next 24 hours. .


Flood Alert issued on 15 Mar 2018 04:29
South West
The rainfall is forecast to continue until 09:00 AM on Thursday 15 March 2018 with further heavy showers later in the day. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding of low-lying land today Thursday 15 March 2018 during the next 12 hours.


Flood Alert issued on 10 Mar 2018 00:41
South West
The rainfall is forecast to continue until 2:00 AM on Saturday the 10th of March. The rainfall will gradually ease after 1:30 AM and dry conditions will predominate until about 9:30 AM on Saturday morning. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding of low-lying land during the next 12 hours.


Flood Alert issued on 10 Feb 2018 12:20
South West
Although the heaviest rainfall has now cleared the area, rivers are still responding to the rainfall and will continue to rise slowly into the afternoon on Saturday the 10th February. A further smaller band of rain is expected this afternoon which may keep levels high into the evening. Impacts are expected to be minor, only affecting low lying lands adjacent to the river. We will update this message if the situation changes


Flood Alert issued on 8 Feb 2018 22:03
South West
Persistent rainfall has fallen on the Taf catchment through today. The heaviest rainfalll has now cleared the area leaving only isolated showers through the evening. River levels are high in parts of the river Taf, and levels will continue to rise slowly in the lower reaches until approximately 23:30 on Thursday the 8th February. These river levels are only expected to cause minor impacts to low lying land and roads.


Flood Alert issued on 21 Jan 2018 12:34
South West
The rainfall is forecast until 4:00 PM today, 21st of January. The heaviest rainfall is expected to continue. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding of low-lying land during the next 12 hours


Flood Alert issued on 15 Jan 2018 10:10
South West
The heaviest rainfall has now cleared the area, however river levels will continue to rise this morning. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding of low-lying land on Monday 15th January 2018. River levels then are expected to fall later this afternoon.


Flood Alert issued on 2 Jan 2018 22:59
South West
The heaviest rainfall has now cleared the area. . The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding of low-lying land during the next 12 hours


Flood Alert issued on 26 Dec 2017 22:41
South West
The rainfall is forecast to continue until the early hours of Wednesday 27th December 2017. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding of low-lying land through the night and over the next 24 hours


Flood Alert issued on 15 Sep 2017 16:41
South West
The heaviest rainfall has now cleared the areas. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding of low-lying land during the next 24 hours. The levels of the River Cynin at St.Clears and the River Taf between Whitland and St. Clears will remain above their respective flood alert levels for an additional 6-8hrs. Additional rain falling this evening and overnight may extend this period and lead to additional flood peaks.


Flood Alert issued on 15 Sep 2017 12:30
South West
The rainfall is forecast to continue until 6:00 PM on Friday the 15th of September. Isolated showers are expected to coalesce into more organised bands of rain with embedded thundery outbreaks during the early part of the afternoon. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding of low-lying land during the next 12 hours.