According to Netweather, noticeable snow deposits could make landfall in less than two weeks. Beginning Monday March 21, the organization’s forecasters identified a fast-moving snow system passing over Scotland and into England.
The Scottish Highlands are expected to gain around 100mm (4 inches) of snow from 6pm Monday, with two slabs of 65mm and 75mm (2.5 to 3 inches) at the southern border and over Yorkshire.
Northern Ireland could also see coverage, but more limited to around 35mm (1.3 inches) over the northwest.
A tight cluster of snow showers will stick to the mountains and northernmost parts of Scotland first.
On Tuesday morning the snow will start to move further south, concentrating in northern England between Sheffield and Edinburgh.
The Scottish Highlands remain at high risk of snowfall as totals remain around 100mm, mainly over the Cairngorms.
Cover extends as far south as Wales at this point, again at the higher elevations of Snowdonia National Park, where depths could reach 65mm.
By 3am on March 22, the snow left Scotland completely, sticking to Wales, the Midlands and Yorkshire.
The system should then cover most of Wales with depths of 65mm (2.5 inches), but with the most snow in and around the Lake District.
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Netweather drew red dots around higher ground in Wales and northern England, where snow could accumulate up to 70mm (2.7in).
In Sheffield, the system could add a further 15mm to 20mm (0.6 and 0.7 inches), bringing depth to 70mm and 75mm (2.7 to 3 inches).
A spiral formation of persistent heavy snow will gradually move north after appearing around the Balkans next week, with its unusual route to the British Isles also seeing it move across the Alps.
The flakes will eventually make landfall in the northeast on March 22, before a broader front hits the south coast of England in the early hours of March 23.
On the second day, accumulations of 2cm per hour will be possible in Kent and parts of the South West.
Ahead of that, a few isolated patches of snow are also expected to appear in northern Scotland as early as Sunday, with heavier snowfall coming next Wednesday.
BBC Weather’s Tomasz Schafernaker also said “changeable” and at times stormy weather can be expected throughout the mild weekend.
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This notice was published: 2022-03-12 05:46:00