Flood Alert Info - Rivers Nant-Y-Fendrod and Nant Bran

Area Description

Rivers Nant-Y-Fendrod and Nant Bran at Birchgrove and within the Swansea Enterprise Zone.
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 28 Feb 2020 11:31
South West
Heavy rainfall associated with Storm Jorge is impacting the area. The rainfall is forecast to continue overnight until 5am on Saturday 29th February. 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 22 Feb 2020 17:45
South West
This Flood Alert is issued in advance of the rainfall forecast to arrive overnight Saturday 22nd February into Sunday 23rd February. 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. Land is already saturated following recent flood events and surface water flooding is also possible.


Flood Alert issued on 15 Feb 2020 15:33
South West
The rainfall is forecast to continue until 9:30AM on Sunday the 16th of February. The rainfall will be largely continuous over this period with the likelihood of some heavier burst during Saturday evening and into Sunday morning. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding of during the next 24 hours.


Flood Alert issued on 9 Jan 2020 01:39
South West
The rainfall is forecast to continue overnight, some of which will be heavy and should ease off by early hours on the 9th January. 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 12 Dec 2019 11:12
South West
The rainfall is forecast to continue until approximately 01:00 pm today 12th December 2019. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding of low-lying land today 12th December 2019 and during the next 12 hours.


Flood Alert issued on 2 Nov 2019 06:08
South West
The rainfall is forecast to ease by 08:00 AM on Saturday 2nd November. A further band of heavy rain is expected throughout 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 24 hours.


Flood Alert issued on 25 Oct 2019 18:15
South West
The rainfall is forecast to continue until late morning on Saturday 26th October. Rainfall will be heavy at times and river levels will rise this evening and remain high through Saturday. 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. Surface water will hamper driving conditions.


Flood Alert issued on 18 Oct 2019 14:58
South West
The rainfall is forecast to continue as scattered heavy showers up to around 01:00 am on Saturday the 19th of October. Through Saturday morning there will be further showery conditions before some drier weather for the remainder of the weekend. 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 5 Oct 2019 23:13
South West
The rainfall is forecast to continue to ease, with the heaviest rainfall now passed. River levels will continue to rise, giving a minor risk of flooding. 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 30 Sep 2019 17:43
South West
The rainfall is forecast to ease by 09:00PM on Monday 30th 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 12 hours. Driving conditions may be impacted by surface water and spray.


Flood Alert issued on 28 Sep 2019 20:44
South West
The rainfall is forecast to continue until 01:00AM on Sunday 29th September 2019. 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 overnight and tomorrow morning, Sunday 29th September 2019.


Flood Alert issued on 6 Dec 2018 17:35
South West
A band of heavy rain will pass through the Nant-Y-Fendrod and Nant Bran catchments between 1 AM and 7:00 AM on Friday the 7th of December. These watercourses are expected to reach their flood alert levels but there is some uncertainty over the timing and magnitude of the flood peaks. 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 5 Dec 2018 12:57
South West
The rainfall is forecast to continue until 3:30 PM on Wednesday 5th December. The heaviest rainfall is expected to continue for remainder of 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 Wednesday 5th December during the next 24 hours.


Flood Alert issued on 13 Oct 2018 03:55
South West
The rainfall is forecast to continue through Saturday 13th October though there will be intermittent dry spells. The rainfall may be 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 over the weekend. You can monitor the situation using our river levels online service on the Natural Resources Wales website. We will update this message as the situation changes.


Flood Alert issued on 20 Sep 2018 23:38
South West
The rainfall is forecast to continue until midnight on Thursday 20th 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 12 hours. The situation will be monitored and updates will be issued as required. .


Flood Alert issued on 21 Jan 2018 14:10
South West
No additional information available


Flood Alert issued on 2 Jan 2018 21:22
South West
The rainfall is forecast to ease by 11:00PM on Tuesday 2nd Jan, although further heavy showers are forecast overnight. 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 10 Dec 2017 08:41
South West
The rainfall is forecast to continue this morning, and occasionally becoming heavy before clearing to showers later. 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, today Sunday 10th December 2017.


Flood Alert issued on 6 Jun 2017 01:33
South West
The rainfall is easing however further heavy showers are expected throughout the night. 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