Issued: 0900 Wednesday 27th December 2017
Duty forecaster: Dr. Simon Keeling
Wet and windy conditions, severe gales at times and a risk of heavy rain
The jet stream is likely to become established again through the coming week. This is going to be bringing areas of low pressure through the UK and Ireland with heavy rain and gales at times. There will be varying temperatures, mostly mild but a few cooler days as the fronts clear. Localised flooding may occur during heavier rain.
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Low pressure is expected to pass through Scotland, bringing strong to gale force winds, with severe gales in northern & western areas. Frontal rain will spread eastwards to all parts, and a trailing front may extend back across the south of Britain, resulting in a wet day for some areas. Generally mild, highs 7 to 12C, warmest in the south.
New Year's Eve 31/12/17
An active westerly regime is likely to continue. A risk of gales in the west. Heavy rain clears eastern areas with brighter weather and showers following from the west. Highs 6 to 9C.
New Year's Day 1/1/18
Detail remains uncertain, but a generally unsettled pattern is expected to continue. Areas of persistent rain or showers, wettest in the west & north-west. Strong to gale force winds with a risk of severe gales too. Highs 5 to 8C.
The jet stream stays close by through Tuesday. This brings windy weather with low pressure dominating. There will be periods of rain and showers passing east. Highs at 4 to 10C.
More wind and rain crossing the country on Wednesday. Low pressure brings heavy periods of rain with with and a risk of gales too. Tops at 5 to 11C.
Low pressure areas again bringing unsettled and windy weather. The winds to gale force as the low pressure pass through and rain may be heavy too. Highs at 4 to 11C