Issued: 0900hrs Thursday 28th July 2016
Duty forecaster: Garry Nicholson
Risk of gales next week
Low pressure over Scandinavia this weekend promotes a fresh north-westerly pattern across Britain & Ireland. A mix of sunshine and showers. Next week starts fine, but will deteriorate into midweek as strengthening areas of low pressure sweep in off the Atlantic, threatening periods of heavy rain and strong winds.
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Starting dry and cool for many with sunshine. Cloud slowly builds inland, and a scattering of showers will break out, most widespread central & eastern areas by afternoon, although in north-west Scotland expect showers throughout the day. Coasts in the west & south staying mostly sunny. A fresh north-westerly breeze, particularly in the north. Starting quite chilly in some rural northern areas. Daytime highs 16 to 22C from north to south.
Little change to the pattern, although a brief ridge of high pressure is expected to build from the south-west. A largely dry and bright day for many. Passing light showers remain possible in the north & east. Plenty of sunshine, most extensive around southern & western coasts, whilst fair weather cloud will slowly build inland. A north-westerly breeze, strongest in north. Feeling fresh - a cool start rising to highs of 17 to 22C.
Detail of timing is uncertain as Atlantic frontal systems approach the country. A ridge of high pressure pushes eastwards across Britain, and may lead to a fair and sunny day in the east & south-east, but fronts are likely to approach from the west, threatening rain for Ireland & western Britain, which may turn heavy. Freshening winds in western areas, backing south to south-westerly. Highs 17 to 23C, warmest east & south.
Looking changeable as low pressure moves in off the Atlantic and fronts pass eastwards. Rain may persist for a few hours, some thundery bursts are possible in the south as humidity briefly increases. Showery and cool in the north. Blustery winds, risk of gales. Highs 16 to 18C north, 20 to 22C south, locally higher.
Low confidence of precise detail. Most likely unsettled with areas of rain or showers spreading from the west, some heavy bursts. Occasional brighter spells. Winds remaining strong, risk of gales in some areas. Temperatures 16 to 22C.
Confidence of detail remains low. Unsettled conditions may persist, although some hints of an improvement developing. Areas of rain and blustery winds may clear to give some dry and sunny weather. Cool in the north, warmer south, highs 16 to 23C.