Thunderstorms forecast for Cumbria Friday 27th July 2018

Alert message sent 26/07/2018 15:28:00

Information sent on behalf of The Environment Agency

The increasingly hot and humid conditions means that there is a potential for thunderstorms to develop over parts of Cumbria from Thursday evening onwards throughout Friday and into Saturday morning.

The greatest risk of disruption is currently forecast to be on Friday from mid-afternoon through till midnight. A Thunderstorm Warning has been issued by the Met Office for that period. For more details go to:

The areas currently assessed at most risk on Friday are eastern parts of the county and the Pennines, though there is still a fair bit of doubt as to exactly where and when any storms may strike. Areas outside that may not be completely immune.

Such storms can cause torrential localised downpours causing impacts such as the overwhelming of drainage systems, which could result in surface water flooding and cause disruption to road/rail/pedestrian travel. Properties may also be at risk with rapid run-off possible from the exceptionally dry ground and potentially localised flooding from smaller rapidly responding upland and urban watercourses.

We are monitoring the situation closely and Operations Teams are ensuring our assets such as debris screens and grids on watercourses are clear.

Any risk of further thunderstorms should reduce by Saturday afternoon. Sunday will then see rain spreading across the county from the west during the morning potentially lingering for much of the day. The rainfall may be heavy and persistent at times over the fells and high ground but is unlikely to be disruptive. Next week the dry spell looks set to resume.

If further details become available this message will be updated.

Be flood ready. It is important that you are prepared for flooding and we encourage you to take 3 simple steps:-

  1. Sign up to our Flood Warning Service to receive free flood warnings
  2. Know what to do when a flood warning is issued.  We encourage you have a personal flood plan for you and your family
  3. Keep an eye on the situation.  You can view at 5 day weather forecast and monitor river levels online at and

Should you observe any blockages to a watercourse as a result of heavy rainfall  please contact the Environment Agency incident hotline 0800 80 70 60 (24 hours)  
Further information is available on our website or by ringing Floodline on 0345 988 1188 (24 hours)
*Please note that this messaging system is not routinely monitored.  If you would like to respond to this message please e-mail

Message sent by
Rebecca Arkley (Environment Agency, Administrator, Cumbria)

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