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Yellow warning There are warnings of rain in the next 5 days for United Kingdom

United Kingdom

15:40 on Saturday, 29 August 2015

Rain warning of yellow

Yellow warning of rain

Be aware

Valid from 22:00 on Saturday until 23:50 on Sunday

Although not all areas will be affected, thundery showers or areas of heavy rain are likely to affect some southern and eastern parts of England late on Saturday evening and on Sunday. The main focus for thundery downpours looks limited to the southeast corner of England overnight but then becomes rather more widespread during Sunday afternoon and evening. Lightning may be an additional hazard. The public should be aware of the risk of localised impacts from heavy rain and flooding, which may affect travel and some outdoor events.

Chief Forecaster's assessment

A complex frontal system will run into southern Britain overnight, becoming slow-moving on Sunday. Warm, humid air on the southeast of this boundary is likely to become the focus for thundery activity, some of it imported from northern France, leading to localised torrential downpours. As often in these situations, some places will miss the worst but a few places may see 35 to 50 mm of rain in total, with hourly totals very locally above 20 mm. There are several complex components to the development, and so the warning is likely to be updated again on Sunday morning.

The public is advised to take extra care, further information and advice can be found here: http://www.metoffice.gov.uk/public/weather/warnings/

Issued at:
10:22 on Friday, 28 August 2015
Last modified at:
10:40 on Saturday, 29 August 2015
Valid from:
22:00 on Saturday, 29 August 2015
Valid until:
23:50 on Sunday, 30 August 2015
Regions affected:

15:40 on Sunday, 30 August 2015

Rain warning of yellow

Yellow warning of rain

Be aware

Valid from 22:00 on Saturday until 23:50 on Sunday

Although not all areas will be affected, thundery showers or areas of heavy rain are likely to affect some southern and eastern parts of England late on Saturday evening and on Sunday. The main focus for thundery downpours looks limited to the southeast corner of England overnight but then becomes rather more widespread during Sunday afternoon and evening. Lightning may be an additional hazard. The public should be aware of the risk of localised impacts from heavy rain and flooding, which may affect travel and some outdoor events.

Chief Forecaster's assessment

A complex frontal system will run into southern Britain overnight, becoming slow-moving on Sunday. Warm, humid air on the southeast of this boundary is likely to become the focus for thundery activity, some of it imported from northern France, leading to localised torrential downpours. As often in these situations, some places will miss the worst but a few places may see 35 to 50 mm of rain in total, with hourly totals very locally above 20 mm. There are several complex components to the development, and so the warning is likely to be updated again on Sunday morning.

The public is advised to take extra care, further information and advice can be found here: http://www.metoffice.gov.uk/public/weather/warnings/

Issued at:
10:22 on Friday, 28 August 2015
Last modified at:
10:40 on Saturday, 29 August 2015
Valid from:
22:00 on Saturday, 29 August 2015
Valid until:
23:50 on Sunday, 30 August 2015
Regions affected:

15:40 on Monday, 31 August 2015

Rain warning of yellow

Yellow warning of rain

Be aware

Valid from 01:00 on Monday until 23:59 on Monday

Further areas of heavy rain or thundery showers may affect parts of southern and eastern England on Bank Holiday Monday, with an additional risk of strong winds developing. It should be noted that there is a larger than average uncertainty in the areas likely to be affected, with updates to this Alert very likely. Meanwhile, the public should be aware of the risk of further localised flooding and impacts on holiday activities.

Chief Forecaster's assessment

Developments later on Sunday will lead to formation of a low pressure area close to the boundary of the warm humid airmass, near or over southeast Britain. There are a number of factors which will influence how developed this feature becomes, which in turn will determine how much of the country is affected by heavy rain and stronger winds during Monday. On this occasion there is a particularly wide range of possible outcomes, with subsequent updates to the Alert potentially seeing the area either expanded or shrunk.

The public is advised to take extra care, further information and advice can be found here: http://www.metoffice.gov.uk/public/weather/warnings/

Issued at:
11:23 on Saturday, 29 August 2015
Last modified at:
11:23 on Saturday, 29 August 2015
Valid from:
01:00 on Monday, 31 August 2015
Valid until:
23:59 on Monday, 31 August 2015
Regions affected:

15:40 on Tuesday, 1 September 2015

There are no warnings for United Kingdom on the 01 September 2015

15:40 on Wednesday, 2 September 2015

There are no warnings for United Kingdom on the 02 September 2015