Flood Alert Info - Rivers Gade and Bulbourne

Area Description

The River Gade and Bulbourne at Boxmoor, Hemel Hempstead, Frogmore End, Kings Langley and Croxley.
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 15 Jan 2021 08:04
River Gade, River Bulbourne
Although yesterday’s rain has now passed, we are still seeing high water levels in parts of the Gade and Bulbourne catchments. We expect rivers to remain high during today (Friday 15 January) and there is likely to be flooding to low lying land and roads close to the rivers throughout the day. Flooding from surface water, where water gathers and flows off road surfaces, could also occur. Friday will be dry although some further rain is forecast on Saturday. Although this rainfall will be less than earlier in the week it will be falling on saturated catchments and could have some impact. We are closely monitoring the situation. You should avoid walking, cycling or driving through flood water. Take care near the areas of concern and monitor your local weather conditions. 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 Friday evening (15/01/21), or as the situation changes.


Flood Alert issued on 14 Jan 2021 20:14
River Gade, River Bulbourne
Over the last 24 hours we have seen heavy rainfall in the Frogmore End area. This means that the water levels in the River Gade are rising. Some further light rainfall is forecast although the heaviest rain has passed. We expect the river to remain high overnight and in the Frogmore End area there is likely to be flooding to low lying land and roads close to the river throughout the evening and overnight on Thursday 14 January. Flooding from surface water, where water gathers and flows off road surfaces, could also occur. We are closely monitoring the situation. You should avoid walking, cycling or driving through flood water. Take care near the areas of concern and monitor your local weather conditions. 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 changes.


Flood Alert issued on 14 Jan 2021 07:51
River Gade, River Bulbourne
Overnight into Thursday we have seen consistent heavy rainfall across the area. This has caused rivers and streams to rise. The main areas of concern are around Frogmore End where river levels have risen the most. 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. Other areas of the catchment are also likely to see flooding later in the day. We expect the river to remain high today as further rain is forecast during the day. 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 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 20:10
River Gade, River Bulbourne
Heavy rainfall over the weekend has caused the River Gade and River Bulbourne to rise. Although river levels currently remain high, they are expected to begin falling overnight and into tomorrow (Monday 5th October). There may still be flooding to low lying land and roads close to the rivers, and surface water may also be affecting these areas. We will continue to monitor river levels and have staff on standby to attend to any blockages in the river. This message will be updated by 9am tomorrow morning, or earlier if the situation changes.


Flood Alert issued on 4 Oct 2020 07:13
River Gade, River Bulbourne
Heavy rainfall over the weekend has caused the River Gade and River Bulbourne 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