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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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 Alerts for this Area
Flood Alert issued on 16 Oct 2024 18:50
South West
Flooding of low-lying land and roads is expected. Rainfall is currently affecting this area. River Levels are above normal levels. We will continue to monitor the situation.
Flood Alert issued on 8 Apr 2024 14:27
South West
A period of adverse weather is expected to affect this region from midnight on Monday 8th April. River Levels are expected to respond to the forecast rainfall. River levels are expected to be above normal into Tuesday 9th April. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
Flood Alert issued on 5 Apr 2024 03:10
South West
A period of adverse weather is affecting this region. River Levels have responded to recent rainfall. River levels are expected to be above normal. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
Flood Alert issued on 17 Mar 2024 06:37
South West
A period of adverse weather is affecting this region. River Levels are expected to respond to the forecast rainfall from Sunday 17th March. . River levels are expected to be above normal. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
Flood Alert issued on 22 Feb 2024 16:10
South West
A period of adverse weather has affected this region. River Levels have responded to recent rainfall. Flooding of low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
Flood Alert issued on 21 Feb 2024 19:05
South West
A period of adverse weather has affected this region with further rainfall forecast overnight going into Thursday 22nd February. River Levels have responded to recent rainfall. River levels are above normal levels. Flooding of low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
Flood Alert issued on 20 Feb 2024 20:40
South West
A period of adverse weather is expected to affect this region from midnight. River Levels are expected to respond to the forecast rainfall. River levels are expected to be above normal during Wednesday 21st February. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website.
Flood Alert issued on 17 Feb 2024 22:42
South West
A period of adverse weather is affecting this region. River levels are above normal levels overnight. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website.
Flood Alert issued on 8 Feb 2024 16:17
South West
A period of adverse weather is affecting this region. River levels have responded to recent rainfall. River levels are above normal levels. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
Flood Alert issued on 6 Feb 2024 18:16
South West
A period of adverse weather is affecting this region. River Levels are responding to the rainfall . River levels are expected to be above normal. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
Flood Alert issued on 21 Jan 2024 21:17
South West
Storm Isha. A period of adverse weather is affecting this region today, Sunday the 21st of January 2024. River Levels are expected to respond to the forecast rainfall. River levels are expected to be above normal. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
Flood Alert issued on 3 Jan 2024 23:07
South West
River levels are slowly beginning to fall however they will remain at a high level throughout the night on Weds 3rd January to Thurs 4th January 2024. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data’ on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
Flood Alert issued on 3 Jan 2024 12:12
South West
Although the weather situation is improving, river levels will remain high throughout the day on Wednesday 3rd January 2024. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
Flood Alert issued on 2 Jan 2024 08:45
South West
A period of adverse weather is expected to affect this region from 8:00 AM on Tuesday the 2nd of January. River Levels are expected to respond to the forecast rainfall. River levels are expected to be above normal. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
Flood Alert issued on 1 Jan 2024 16:51
South West
A period of adverse weather is expected to affect this region from 4:30 PM on Monday the 1st of January. River Levels are expected to respond to the forecast rainfall. River levels are expected to be above normal. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
Flood Alert issued on 30 Dec 2023 12:38
South West
A period of adverse weather is expected to affect this region from 1:00 PM on Saturday the 30th of December. River Levels are expected to respond to the forecast rainfall. River levels are expected to be above normal. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
Flood Alert issued on 28 Dec 2023 09:46
South West
River levels are expected to be above normal. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
Flood Alert issued on 26 Dec 2023 19:36
South West
A period of adverse weather is expected to affect this region from 9:00pm on Tuesday 26th December. River Levels are expected to respond to the forecast rainfall. River levels are expected to be above normal. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
Flood Alert issued on 24 Dec 2023 01:35
South West
A period of adverse weather is affecting this region. River Levels have responded to recent rainfall. River levels are above normal levels. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
Flood Alert issued on 12 Nov 2023 18:56
South West
Storm Debi is expected to affect this region from Sunday evening 12th November to Monday afternoon 13th November 2023. River Levels are expected to respond to the forecast rainfall. River levels are expected to be above normal. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
Flood Alert issued on 1 Nov 2023 15:34
South West
Storm Ciaran is expected to affect this region from 8pm this evening, Wednesday 1st of November. River Levels are expected to respond to the forecast rainfall. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website.
Flood Alert issued on 31 Oct 2023 09:33
South West
A period of adverse weather is expected to affect this region from 4 PM Tuesday 31st October. River Levels are expected to respond to the forecast rainfall. River levels are high following recent heavy rainfall. Flooding of low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
Flood Alert issued on 30 Oct 2023 23:53
South West
A period of adverse weather is affecting this region. River Levels have responded to recent rainfall. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website.
Flood Alert issued on 12 Oct 2023 19:05
South West
A period of adverse weather is expected to affect this region from 8:00PM on Thursday the 12th of October. River Levels are expected to respond to the forecast rainfall. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
Flood Alert issued on 20 Sep 2023 05:20
South West
A period of adverse weather is affecting this region. River Levels have responded to recent rainfall. River levels are expected to be above normal . Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
Flood Alert issued on 22 Jul 2023 22:11
South West
A period of adverse weather is affecting this region. River Levels have responded to recent rainfall. River levels are above normal levels. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
Flood Alert issued on 31 Mar 2023 20:26
South West
A period of adverse weather is expected to affect this region from Friday 31/03/20 to Saturday 01/04/2023. River Levels are expected to respond to the forecast rainfall. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
Flood Alert issued on 29 Mar 2023 21:26
South West
River Levels are expected to respond to the forecast rainfall. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation and the alert will remain in place overnight. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
Flood Alert issued on 21 Mar 2023 21:34
South West
A band of heavy of rainfall is affecting this region. River Levels are responding to this rainfall and are expected to be above normal levels overnight. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website.
Flood Alert issued on 13 Mar 2023 09:00
South West
A period of adverse weather is affecting this region. River Levels have responded to recent rainfall. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
Flood Alert issued on 13 Jan 2023 18:05
South West
A further period of adverse weather is expected to affect this region from 8:00pm on Friday 13th January. River levels are above normal levels and are expected to respond to the forecast rainfall. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
Flood Alert issued on 11 Jan 2023 16:14
South West
A period of adverse weather is expected to affect this region from the evening of Wednesday 11 January. River Levels are expected to respond to the forecast rainfall. River levels are expected to be above normal. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website.
Flood Alert issued on 9 Jan 2023 16:00
South West
A period of adverse weather is expected to affect this region from Tuesday 10th January at 3 AM. River Levels are expected to respond to the forecast rainfall. River levels are expected to be above normal. Flooding of Low-lying land and roads is expected. . We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website.
Flood Alert issued on 4 Jan 2023 02:35
South West
A period of adverse weather is affecting this region. River levels are expected to respond to the forecast rainfall. River levels are expected to be above normal. Flooding of low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website.
Flood Alert issued on 28 Dec 2022 12:07
South West
A period of adverse weather is affecting this region . River levels are expected to be above normal. Flooding of Low-lying land and roads is expected. . We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website.
Flood Alert issued on 19 Dec 2022 09:03
South West
A period of adverse weather is affecting this region. River Levels have responded to recent rainfall. River levels are above normal levels. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
Flood Alert issued on 21 Nov 2022 14:57
South West
A period of adverse weather is affecting this region. River Levels have responded to recent rainfall. River levels are above normal levels. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
Flood Alert issued on 8 Nov 2022 19:37
South West
River Levels have responded to recent rainfall following the bands of showers that have moved throughout the day. River levels are above normal levels. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
Flood Alert issued on 5 Oct 2022 06:14
South West
A period of adverse weather is affecting this region. River levels have responded to recent rainfall. Further heavy rain is expected this morning, before clearing to showers. River levels are above normal levels. Flooding of Low-lying land and roads is expected. We will continue to monitor the situation. You can monitor the situation in your area by using our 'River Levels, Rainfall and Sea Data' on our website. For more information on our Flood Alerts and how we issue them, please visit the ‘How we forecast floods, issue warnings and assess flood risk’ page on our website.
Flood Alert issued on 18 Feb 2022 17:58
South West
Further rainfall is forecast for Saturday morning the 19th February from 06:00am. . 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 17 Feb 2022 13:19
South West
Further rainfall is forecast for Thursday night the 17th February and to continue into the morning of Friday the 18th February. 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 Feb 2022 09:57
South West
The rainfall is forecast to continue until 11:00 AM on Tuesday 15th February 2022. 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 24 hours.
Flood Alert issued on 14 Feb 2022 08:54
South West
The rainfall is forecast to continue until 11:30 AM on Monday 14th February. 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 12 Feb 2022 20:23
South West
Heavy rainfall is expected in the early hours of tomorrow morning, from 3:00AM until around 3:00PM on Sunday 13th of February. 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 48 hours.
Flood Alert issued on 6 Feb 2022 08:01
South West
The heaviest rainfall has now cleared the areas and only isolated showers are now expected through Sunday 6th of February. The combination of ground conditions, existing river levels and the observed rainfall quantities gives a risk of flooding of low-lying land for the next 12 hours. Only minor impacts to the lowest lying -land and roads is expected. We will continue to monitor the situation. You can check the latest river levels using our 'River Levels, Rainfall and Sea Data' pages on our website.
Flood Alert issued on 13 Dec 2021 09:51
South West
The rainfall is forecast to continue until 08:30 PM on Monday the 13th of December and ease by 11:30 PM on Monday the 13th of December. 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, overnight, and int Tuesday the 14th of December.
Flood Alert issued on 29 Oct 2021 10:12
South West
The heavy rainfall will ease throughout the day on Friday 29th October and river levels will start to fall, however further rainfall overnight into Saturday 30th October will return rivers above Alert level. Heavy rainfall is again forecast overnight into Sunday 31st October, therefore river levels will fluctuate throughout the weekend. 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 28 Oct 2021 16:38
South West
Heavy rainfall is expected overnight on Thursday 28th October and is forecast to continue until lunchtime on Friday 29th October. 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 2021 10:49
South West
The main band of rain has now cleared the area. Outbreaks of showery rain are expected to continue throughout the day, before finally clearing during 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 30 Sep 2021 21:45
South West
Rainfall has started falling in the catchment tonight on Thursday 30th September. This band of rainfall is expected to persist into early morning on Friday the 1st October rainfall will be heavy at times. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding to low-lying land during overnight and into Friday when levels will slowly fall.
Flood Alert issued on 26 Sep 2021 21:14
South West
A band of heavy rainfall is forecast overnight Sunday 26th and early Monday 27th. The heaviest rainfall is expected to have cleared by 07:00 AM Monday 27th. 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 23 May 2021 17:54
South West
A clearly defined band of rain is expected to completely clear the area by about 7:00PM on Sunday the 23rd of May, but further intense showers are forecast to move in from the south-west during the early hours of Monday morning. The River Tywi, between Llandovery and Llandeilo, is expected to peak between 8:00PM and 10:00PM on Sunday the 23rd of May. 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 21 May 2021 10:35
South West
Additional rain falling throughout the remaining part of the day is expected to produce a further rise in the level of the River Tywi upstream of Llandovery. The level is expected to peak during the early part of the afternoon and then begin to gradually subside during the evening of Friday the 21st of May. 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 20 May 2021 19:17
South West
A band of persistent rainfall is forecast to remain in place across large parts of South Wales until the early hours of Saturday the 22nd of May. The heaviest rainfall is expected to occur between 2:00AM and 2:00PM on Friday the 21st of May. 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 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 River Tywi, between Llandovery and Llandeilo, is expected to reach a peak level between midday and 3:00PM on Friday the 21st of May.
Flood Alert issued on 8 May 2021 17:00
South West
The rainfall is forecast to continue until 05:00AM on Sunday 9th of May. 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 24 Feb 2021 16:53
South West
River levels in the Towy are already high on Wednesday 24th February. The heaviest rainfall has passed, but river levels remain high. A further band of heavier rainfall is expected early evening and although quantities are not significant this may keep river levels high in this area. With the existing ground conditions and river levels there is a low risk of flooding during the next 12 hours. We will update this message if the situation changes.
Flood Alert issued on 23 Feb 2021 23:12
South West
The rainfall is forecast to continue until 08:00 PM on Wednesday 24th February. 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 on Tuesday 23rd February during the next 24 hours.
Flood Alert issued on 21 Feb 2021 09:28
South West
The heaviest rainfall has now cleared the area. With the combination of ground conditions, raised river levels and recent rainfall quantities there remains a risk of flooding of low-lying land during the next 24 hours.
Flood Alert issued on 19 Feb 2021 09:51
South West
The rainfall is forecast to continue through today Friday 19th February and most of Saturday 20th February and the prolonged nature raises the risk of significant impacts. The combination of ground conditions, existing river levels and exceptional rainfall quantities gives a high risk of flooding of low-lying land during the next 24 hours and over the weekend. Many rivers are already at elevated levels from rainfall earlier this week and will react to the quantities forecast.
Flood Alert issued on 17 Feb 2021 21:54
South West
The rainfall is forecast to continue until 06:00 AM on Thursday 18th February. The heaviest rainfall is expected to continue overnight. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding of low-lying land from Wednesday 17th February over the next 24 hours
Flood Alert issued on 30 Jan 2021 08:45
South West
The heaviest rainfall has now cleared the areas and is expected to continue till 9:30am today on Saturday the 30th 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 21 Jan 2021 20:05
South West
The heaviest rainfall has now cleared the area, though some showers are expected for next few days. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding of low-lying land on Thursday evening 21st January and for the next 24 hours
Flood Alert issued on 20 Jan 2021 18:30
South West
Remaining very unsettled this evening, Wednesday 20th January, as Storm Christoph brings further heavy rain over the next few hours. This will increase river levels further. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding of low-lying land until Thursday 21st January. .
Flood Alert issued on 19 Jan 2021 14:50
South West
Remaining very unsettled today Tuesday 19th January, as Storm Christoph brings further heavy rain this afternoon and especially overnight into Wednesday. Rain will continue throughout Wednesday, increasing river levels further. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding of low-lying land until Thursday 21st January.
Flood Alert issued on 27 Dec 2020 01:32
South West
The rainfall is forecast to continue until 3:30 AM on Sunday the 27th of December. 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 19 Dec 2020 16:04
South West
Heavy showers will continue overnight into Sunday 20th December 2020. 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 17 Dec 2020 18:00
South West
River levels are already high in this area and in many places ground conditions are saturated. Further rainfall is expected to arrive in the catchment tonight on Thursday 17th December and will continue until the early hours on Friday 18th December. A further band of heavy rain will arrive Friday morning and continue overnight to Saturday 19th December. This rainfall is expected to be very intense at times and there is a very high risk of flooding during Friday. Further bands of rainfall are expected during Sunday and into Monday and as a result the risk of flooding is likely to continue over the weekend into early next week. You can monitor the situation in this area by using our River Levels Online Service on our website. We will continue to monitor the situation closely and will update this message as the situation changes. .
Flood Alert issued on 15 Dec 2020 15:58
South West
Heavy rainfall is forecast from midnight tonight through until midday tomorrow, Wednesday 16th December 2020. 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 Dec 2020 15:33
South West
Heavy showers through today , Monday 14th December, have maintained high river levels in the upper Tywi catchment . Further 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 13 Dec 2020 12:53
South West
The rainfall is forecast to continue until 3PM on Sunday 13th December. 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 1 Nov 2020 12:40
South West
River levels remain high from Saturday morning's rain, and ground conditions are saturated. The weather remains very unsettled, and there is a continuing risk of flooding. Isolated showers are possible through today Sunday 1st November. Further rainfall is then expected to arrive in the catchment overnight into Monday 2nd November accompanied by gale or severe gale force west or southwesterly winds. Successive bands of rainfall are expected during Sunday and into Monday and as a result the risk of flooding will increase and remain high into early next week. You can monitor the situation in this area by using our River Levels Online Service on our website. We will continue to monitor the situation closely and will update this message as the situation changes.
Flood Alert issued on 31 Oct 2020 12:02
South West
River levels remain high from Saturday morning's rain, and ground conditions are saturated. The weather remains very unsettled, and there is a continuing risk of flooding. Isolated showers are possible through today Saturday 31st October. Further rainfall is then expected to arrive in the catchment overnight into Sunday 1st November accompanied by gale or severe gale force west or southwesterly winds. Successive bands of rainfall are expected during Sunday and into Monday and as a result the risk of flooding will increase and remain high into early next week. You can monitor the situation in this area by using our River Levels Online Service on our website. We will continue to monitor the situation closely and will update this message as the situation changes.
Flood Alert issued on 30 Oct 2020 17:40
South West
River levels are already high in this area and in many places ground conditions are saturated. Further rainfall is expected to arrive in the catchment tonight on Friday 30th October and will continue through the night to Saturday morning the 31st October. This rainfall is expected to be very intense at times and there is a high risk of flooding during Saturday. Further bands of rainfall are expected during Sunday and into Monday and as a result the risk of flooding is likely to continue over the weekend into early next week. You can monitor the situation in this area by using our River Levels Online Service on our website. We will continue to monitor the situation closely and will update this message as the situation changes.
Flood Alert issued on 29 Oct 2020 19:19
South West
The rainfall is forecast to continue until 10:00 AM on Friday the 30th of October, with the heaviest period of rainfall occurring between midnight and 4:00 AM. The level of the River Tywi is expected to peak between 6:00 AM and 7:30 AM on Friday the 30th of October. 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 7 Oct 2020 16:04
South West
Although river levels are currently receding, a period of rainfall, heavy at times, is expected to arrive this evening on Wednesday the 7th October and is expected to continue until mid-morning tomorrow on Thursday the 8th October. The combination of ground conditions, existing river levels and the forecast rainfall gives a risk of flooding through the night and into tomorrow. We will continue to monitor the situation over this period and will update this message if the situation changes.
Flood Alert issued on 3 Oct 2020 15:33
South West
This Flood Alert is for Sunday 4th October 2020. Heavy rain is forecast overnight and into Sunday morning before clearing Sunday lunchtime. River levels are expected to remain high throughout Sunday. Natural Resources Wales will be monitoring the situation and will advise if further Flood Warnings are required as the event unfolds. 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 25 Aug 2020 06:17
South West
The arrival of Storm Francis has brought widespread rainfall to the catchment overnight. The heaviest rainfall is forecast to clear the area by approximately 08:30 AM on Tuesday 25th August, leaving only lighter isolated showers for the remainder of the 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 24 hours
Flood Alert issued on 15 Mar 2020 03:24
South West
The rainfall is forecast to continue until approximately 8:00 AM on Sunday 15th March. 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 in some parts of this catchment are expected to remain high into this afternoon. Impacts are generally only expected to be minor, we will continue to monitor the situation and will update this message if the situation changes.
Flood Alert issued on 9 Mar 2020 20:26
South West
The current band of rain is expected to ease by about 9:15 PM on Monday the 9th of March. A second band of rain will commence at about 1:00 AM on Tuesday the 10th of March and continue until about midday. The River Tywi, between Ystradffin and Manorafon, is expected to reach a peak level between 10:30PM and 11:30PM on Monday the 9th of March. A second, larger peak, is forecast to occur at bout 9:00AM on Tuesday the 10th of March. 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 Feb 2020 13:45
South West
The heavy rainfall associated with Storm Jorge 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. This message will be updated as the situation changes.
Flood Alert issued on 28 Feb 2020 12:11
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 23 Feb 2020 19:05
South West
Further rainfall is forecast through Sunday night and into Monday 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 morning. Land is already saturated following recent flood events and surface water flooding is also possible.
Flood Alert issued on 22 Feb 2020 18:55
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 16 Feb 2020 19:10
South West
The heaviest rainfall has now cleared the area, but further showers are expected overnight into Monday 17th February. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding of low-lying land overnight, over the weekend.
Flood Alert issued on 15 Feb 2020 12:17
South West
The rainfall is forecast to continue until 09:30AM on Sunday the 16th of February. Rain is expected to be largely continuous over this period with some higher intensity bursts expected during Saturday evening and overnight into Sunday. 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 9 Feb 2020 07:04
South West
The rainfall is forecast to 1pm on Sunday 9th February. Heavy showers are expected to continue as Storm Ciara takes hold. 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 Jan 2020 14:45
South West
The rainfall is forecast to continue until 4:30 PM on Tuesday the 14th of January. Isolated heavy showers may persist into the evening. The level of the River Tywi, upstream of Llandovery, is expected to reach the flood alert threshold by 4:00 PM on Tuesday the 14th of 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 11 Jan 2020 21:40
South West
The rainfall is forecast to continue until 1:00 AM on Sunday the 12th of January. The River Tywi, upstream of Llandovery, is expected to exceed the flood alert threshold by about 11:00 PM on Saturday the 11th of January and reach a peak level by 2:00 AM on Sunday the 12th of 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 19 Dec 2019 15:57
South West
The level of the River Tywi between Llyn Brianne and Manorafon has fallen below the flood alert threshold but additional rainfall, arriving during Thursday afternoon and evening is expected to raise the level above this threshold between 6:00PM and 8:00PM on Thursday the 19th of December. 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 19 Dec 2019 14:45
South West
The River Towy, between Llandeilo and Abergwili, is expected to remain above the flood alert threshold until about 02:00AM on Friday the 20th of December. The band of rain passing across the area during Thursday evening may further increase the river level, but this is not expected to rise significantly over this period. 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 19 Dec 2019 06:56
South West
The heaviest rainfall has now cleared the area, but a second band of rain is expected to arrive at 2:00PM on Thursday the 19th of December and this will bring additional rainfall until about 8:00PM. The River Towy, between Llyn Brianne and Manorafon is expected to reach a peak level between 7:30AM and 9:30AM. 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 12 Dec 2019 22:39
South West
Heavy showers are forecast to ease by midnight on Thursday 12th December. 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 11 Dec 2019 13:27
South West
The heaviest rainfall has now cleared the area but further showers are expected overnight on Wednesday 11th December, and during the day on Thursday 12th December. The combination of ground conditions, existing river levels and forecast rainfall quantities gives a high risk of flooding of low-lying land overnight into Thursday 12th December.
Flood Alert issued on 10 Dec 2019 17:26
South West
The rainfall is forecast to continue until this evening on Tuesday 10th and then ease. . 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.