Issued: 0900hrs Friday 20th October 2017
Duty forecaster: Garry Nicholson
Very mild southerlies, but risk often grey and damp
An unsettled weekend as 'Storm Brian' moves across Britain and Ireland, bringing heavy rain and gale force winds. Damaging gusts may occur in exposed locations, and huge swells will batter south-western coastlines. Early next week, prolonged heavy rain for the hills of Wales and north-west England brings a threat of flooding. Temperatures will be generally mild, or at times warm next week.
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Generally grey and damp. A cool start, but becoming milder as a warm front pushes east across Britain. Overcast skies, with extensive fog for western hills, and murky around south-western coasts. Persistent rain in the west, heavy over the hills, with outbreaks of rain or drizzle spreading to most places through the day, but amounts small to the east of high ground. South-westerly winds. Temperatures rising to 12 to 16C.
Slow-moving fronts likely to produce persistent heavy rain to Wales and north-west England, with considerable totals falling over the hills, bringing a risk of flooding. Elsewhere, patchy rain, but amounts fairly small. Quite cloudy for England & Wales. Showers in western Scotland may be frequent, but some sunshine breaking through east of the Highlands. A south-westerly breeze. Generally mild, 12 to 17C, warmest in the south-east.
A mild but rather damp south to south-westerly pattern is likely to prevail. Fronts bring further outbreaks of rain to the west & north-west, but should fade as pressure begins to build. Many central & south-eastern regions should be dry, although cloud amounts are uncertain. Perhaps largely dull with drizzle. Feeling warm where sunshine breaks through. Highs 12 to 18C.
Detail is uncertain, but a south to south-westerly airflow is likely to continue. Patchy rain most likely confined toward the north-west, whilst many places may well stay dry. Mild, or warm in sunshine, although it may remain rather cloudy. Highs 12 to 19C.
A similar mild southerly pattern is likely. Chance of patchy rain north-west, but many places looking dry with higher pressure building. Warm in any sun. Highs 13 to 18C, perhaps locally 20C in the south-east.
It may become a little fresher as winds turn toward the west or south-west. Rain toward the north-west, but largely dry elsewhere. Warmest in the south-east, highs 13 to 18C.