Flood Alert Info - River Lee at Hertford

Area Description

The River Lee at Hertford including Lemsford, Hatfield, Ware and Stanstead Abbotts.
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

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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

  • We have only been collating detailed flood messages since May 2017.
  • Each Flood Alert may have multiple updates. The messages listed below may therefore be greater than the number of alerts detailed in the Flood Alert table above.

Flood Alert issued on 31 Jan 2021 08:39
River Lee
Following heavy rainfall across the area, levels remain high but steady in the River Lee catchment. No further rainfall is forecast today, Sunday 31 January, but river levels are expected to remain high today before falling later. The main areas of concern are at Lemsford, Hatfield, Ware and Stanstead Abbotts. Flooding to low lying land and roads close to the river is still possible and flooding from surface water could also occur. Take care near the areas of concern and monitor your local weather conditions. We are continuing to monitor river levels closely and have staff on standby ready to respond. This message will be updated in the evening on Sunday 31 January, or earlier if the situation changes.


Flood Alert issued on 30 Jan 2021 20:00
River Lee
Over the last few days we have seen heavy rainfall across the area. Further rain has fallen today, Saturday 30 January, and caused the River Lee to rise. Levels currently remain high but steady. No further rain is forecast overnight. The main areas of concern are Lemsford, Hatfield, Ware and Stanstead Abbotts. Flooding to low lying land and roads close to the river is possible, and flooding from surface water may also remain. We expect the river to remain high overnight and into Sunday, though flooding to properties is not expected. We are constantly monitoring river levels and have staff on standby to clear any blockages. This message will be updated tomorrow morning, Sunday 31 January, or earlier if the situation changes.


Flood Alert issued on 30 Jan 2021 11:25
River Lee
Over the last few days we have seen heavy rainfall across the area. This has caused the River Lee to rise. The main areas of concern are Lemsford, Hatfield, Ware and Stanstead Abbotts. There is likely to be flooding to low lying land and roads close to the river today on Saturday 30 January. Flooding from surface water, where water gathers and flows off road surfaces, could also occur. We expect the river to remain high on Saturday. Some further rainfall is expected today before turning dry this afternoon. We are constantly monitoring river levels and have staff on standby to clear any blockages. This message will be updated on Saturday evening or earlier if the situation changes


Flood Alert issued on 14 Jan 2021 20:21
River Lee
Over the last 24 hours we have seen heavy rainfall in the area. This has meant that the river Lee has been rising. Some further light rainfall is forecast although the heaviest rain has now passed. High river levels are likely in Lemsford and Hertford. There is likely to be flooding to low lying land and roads close to the river throughout the evening and overnight on Thursday. Flooding from surface water, where water gathers and flows off road surfaces, could also occur. We expect the river to remain high throughout this evening and overnight. We are closely monitoring the situation and will issue a Flood Warning if property flooding is expected. You should avoid walking, cycling or driving through flood water. We are continuing to monitor river levels and have staff in the field checking for and clearing blockages in this location. This message will be updated on Friday morning or earlier if the situation change


Flood Alert issued on 14 Jan 2021 09:48
River Lee
Overnight into Thursday we have seen consistent heavy rainfall across the area. This has caused rivers and streams to rise. There is likely to be flooding to low lying land and roads close to the river throughout the day on Thursday. Flooding from surface water, where water gathers and flows off road surfaces, could also occur. High river levels are likely in Lemsford and Hertford. We expect the river to remain high today as further rain is forecast during the day. We are closely monitoring the situation and property flooding is not currently expected You should avoid walking, cycling or driving through flood water. We are constantly monitoring river levels and have staff on standby to attend to any blockages in the river. This message will be updated this afternoon or earlier if the situation changes.


Flood Alert issued on 4 Oct 2020 20:14
River Lee
Heavy rainfall over the weekend has caused levels within the River Lee near Hertford to rise. We are not expecting to see any more heavy rainfall overnight and there may be some lighter rain showers tomorrow (Monday 5th October), but river levels are expected to remain high. Flooding to low lying land and roads is still possible. There may also be surface water affecting some areas. We will continue monitoring rainfall and river levels overnight and will update this message by 9am tomorrow, or earlier if the situation changes.


Flood Alert issued on 4 Oct 2020 13:19
River Lee
Heavy rainfall over the weekend has caused the Middle River Lee to rise. There is likely to be flooding to low lying land and roads close to the river today. Flooding from surface water, where water gathers and flows off road surfaces, could also occur. Further rain is expected today, Sunday 4 October, so we expect the river to remain high for the rest of the day. We are constantly monitoring river levels and have staff on standby to attend to any blockages in the river. This message will be updated by 8pm this evening or earlier if the situation changes.


Flood Alert issued on 16 Feb 2020 22:35
River Lee
We have issued a Flood Alert. Rain, associated with Storm Dennis, has been falling overnight and throughout today, Sunday 16 February. The water level on the River Lee has risen as a result. Further rain is predicted throughout Sunday night. Flooding to low-lying land, roads and riverside gardens is possible in Hertford and the surrounding areas overnight. Surface water flooding may also affect these areas. We recommend you monitor local water levels and weather conditions. Consider putting your flood plan into action. You should avoid walking, cycling or driving through flood water. We are continuing to monitor rainfall and river levels. We will update this message on Monday morning or earlier if the situation changes.


Flood Alert issued on 16 Feb 2020 17:28
River Lee
We have issued a Flood Alert. Rain, associated with Storm Dennis, has been falling overnight and throughout today, Sunday 16 February. The water level on the River Lee has risen as a result. Further rain is predicted throughout the evening on Sunday. Flooding to low-lying land, roads and riverside gardens is possible in Hertford and the surrounding areas tonight. Surface water flooding may also affect these areas. We recommend you monitor local water levels and weather conditions. Consider putting your flood plan into action. You should avoid walking, cycling or driving through flood water. We are continuing to monitor rainfall and river levels. We will update this message on Sunday evening or earlier if the situation changes.


Flood Alert issued on 16 Jan 2020 16:41
River Lee
River levels are forecast to rise on the River Lee at Hertford as a result of heavy rainfall. Flooding of low lying land and roads is expected from 20:00 tonight, Thursday 16 January, and into Friday morning. We expect river levels to remain high overnight and into tomorrow morning, and are closely monitoring the situation. Our incident response staff are monitoring rainfall and river levels and are checking rivers for blockages. Please monitor local water levels and weather conditions. Consider putting your flood plan into action. You should avoid walking, cycling or driving through flood water. This message will be updated by 10:00 tomorrow morning, Friday 17 January, or earlier if the situation changes.


Flood Alert issued on 26 Dec 2017 19:23
River Lee
Over the course of the day we have seen moderately heavy rainfall in the area. The River Lee has started to rise in response to this rainfall. We expect the River Lee to continue to rise overnight Tuesday 26th December and remain high throughout Wednesday 27th December. No flooding to properties is forecast and warnings are not expected to be issued. We are continuing to monitor river levels and have staff in the field checking for and clearing blockages This message will be updated at 10am on Wednesday 27th December or earlier if the situation changes.


Flood Alert issued on 26 Dec 2017 12:33
River Lee
Persistent heavy rain is expected during the evening of Tuesday 26th December 2017 and overnight in to the morning of Wednesday 27th December 2017. River levels are currently normal for the time of year and are expected to rise following the forecast rainfall. Flooding to low lying roads, land, gardens backing on to rivers and surface water flooding is expected between Tuesday evening and Wednesday morning, 26th to 27th December. We expect the river to remain high in to the afternoon and evening of 27th December 2017. We will be closely monitoring the situation throughout the day and this message will be updated as the situation changes. The river Lee is expected to be particularly high in and around Hertford. We also have staff on standby to attend to any blockages in the river. This message will be updated this evening or earlier if the situation changes.