Flood Alert Info - Upper Towy

Area Description

Rivers in the upper Towy catchment upstream of Llandeilo excluding the Bran at Llandovery.

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 7 Dec 2018 15:51
South West
Following the heavy rain early on Friday 7th December river levels in the Upper Towy catchment remain high even though the river has peaked and is gradually receding. The combination of ground conditions, existing river levels and some forecast rainfall maintains the risk of flooding of low-lying land during the next 24 hours. You can monitor the situation in your area by using our River Levels Online Service on our website.


Flood Alert issued on 6 Dec 2018 16:25
South West
Heavy rainfall is forecast in the early hours of the morning, Friday 7th December 2018. River levels are expected to peak around 7:30 AM. At this point there are uncertainties regarding the rainfall quantities, confidence for this flood alert are low. 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 29 Nov 2018 09:02
South West
The rainfall is forecast to ease by 01:00 PM today 29th November 2018. However, heavy isolated showers are forecast to continue throughout the day. The combination of ground conditions, existing river levels and forecast rainfall quantities give a high risk of flooding of low-lying land today 29th November 2018 and during the next 24 hours.


Flood Alert issued on 11 Nov 2018 11:10
South West
The heaviest rainfall has cleared the area, however isolated showers are forecast throughout Sunday and overnight into Monday. River levels in the Upper Towy 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 12:21
South West
The heaviest rainfall has cleared the area. Isolated showers are expected over the remainder of the weekend. River levels in the upper Towy catchment remain elevated 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 15:41
South West
The current forecasts indicate that the River Tywi between Rhandirmwyn and Llandeilo will exceed the flood alert level between 8:00PM and 11:00 PM on Friday the 9th of November. The rainfall is forecast to continue until 9:00PM 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 6 Nov 2018 16:27
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 14 Oct 2018 15:09
South West
The heaviest of the rainfall has passed through South West Wales area. River levels will remain high over the next few days giving a high risk of flooding to low-lying land and roads. Some surface water issues may remain. You can monitor the situation using our river levels online service on the Natural Resources Wales website. We will update this message if there is any change to the situation.


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 21 Sep 2018 11:51
South West
River levels are expected to remain high throughout the day. The heaviest rainfall has now cleared the areas. The combination of ground conditions and existing river levels gives a high risk of flooding of low-lying land throughout today, Friday the 21st of September.


Flood Alert issued on 20 Sep 2018 12:07
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 2 Apr 2018 17:55
South West
Further heavy showers are expected this evening. 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 22 Jan 2018 10:12
South West
Following the heavy and prolonged rainfall yesterday on Sunday the 21st January, river levels in the lower reaches of the Towy are high. River levels have peaked and the water levels are beginning to recede, this flood alert is likely to remain in force until later this afternoon on Monday 22nd January.


Flood Alert issued on 21 Jan 2018 12:43
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 2 Jan 2018 23:15
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 13 Dec 2017 14:41
South West
The rainfall is forecast to continue until 08:00 PM on 13th December 2017. The heaviest rainfall is expected to continue until this time. The combination of ground conditions, melting snow, 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 27 Nov 2017 04:01
South West
The rainfall is forecast to continue until 04:30 AM on 27th November 2017. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding of low-lying land overnight. .


Flood Alert issued on 22 Nov 2017 19:02
South West
The rainfall is forecast to continue until around midnight today, Wednesday 22nd of November. Bands of heavy showers are expected which will affect river levels in 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. The upper reaches of the River Towy and smaller watercourses in the area may be affected as river levels react to these showers .


Flood Alert issued on 22 Oct 2017 01:01
South West
The rainfall is forecast to continue overnight, and occasionally heavy at times. 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 Sep 2017 08:10
South West
The rainfall is forecast to continue until 6:00 PM on Friday the 15th of September. 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. Sporadic outbreaks of heavy rain will continue to occur throughout the day along a northerly airflow. Isolated bursts of intense rainfall are expected but these showers are not expected to form into more organised bands of rain.


Flood Alert issued on 6 Jun 2017 01:17
South West
The rainfall is generally easing; however, further heavy showers are expected into the early hours of Tuesday 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. River Levels are expected to rise slowly through the night, and impacts are expected to be relatively minor. We will update this messages as the situation changes.