UK weather: Amber warning for snow as freezing cold snap continues

UK weather: Amber warning for snow as freezing cold snap continues

Wintry conditions are expected to persist across much of the UK this Thursday, with temperatures dropping below freezing overnight in several regions. Snow and icy patches are likely to affect parts of the country, prompting the Met Office to issue yellow weather warnings for Northern Ireland, northern and central Scotland, as well as coastal areas of south-west Wales and various parts of England including the south-west, east, and north-east. In addition, a more serious amber warning will come into effect later in the day for the North York Moors and areas of the Yorkshire Wolds, where snow accumulations on higher ground could reach between 15 and 25 centimeters (approximately 6 to 10 inches).

On Wednesday, snow was reported across a wide swathe of the country, stretching from London all the way up to Shetland. The adverse weather led to numerous school closures in northeast Scotland and the Highlands. Several roads were also closed, such as the Woodhead Pass connecting Hollingworth and Flouch in Derbyshire, and the B4391 between Rhyd y Sarn and Pen y Bryn in northwest Wales. Overnight temperatures are predicted to fall as low as -5°C (23°F) in Scotland and northern England, while other areas including parts of England and east Wales could see lows near -3°C (26.6°F). With ground moisture from earlier precipitation, icy conditions may develop on roads and pavements, potentially causing cancellations and delays for buses and trains.

Although the current spell is disruptive, it is expected to be less severe than the heavy snow and icy conditions experienced around the same time last year, which led to hundreds of school closures and saw Nottingham receive 12cm of snow. In fact, data collected by the Met Office over recent decades indicates a decline in the frequency, duration, and intensity of cold spells, a pattern consistent with the effects of climate change. As noted in the latest State of the Climate Report, there has been roughly a 25% reduction in frost occurrences, both in the air and at ground level, since the 1980s.

The amber warning covering North Yorkshire is active from 03:00 to 21:00 GMT on Thursday. Snow is anticipated throughout the day, predominantly on hills above 100 meters in elevation, and could cause major disruption. Forecasters have said that some locations, such as the North York Moors and the Scottish Highlands, may experience “thundersnow,” a rare phenomenon where thunderstorms develop in wintry conditions, resulting in heavy snow instead of rain. Meanwhile, the snow warnings in Wales are associated with the “Pembrokeshire Dangler,” a meteorological feature where a line of showers forms over the warmer waters of the Irish Sea and moves southwards across Pembrokeshire in southwest Wales. Daytime temperatures across most parts of the UK on Thursday are expected to range between 4°C and 6°C, with milder conditions likely to return by Saturday. The UK Health Security Agency (UKHSA) has issued amber cold-health alerts for parts of England until 08:00 GMT Saturday, highlighting significant risks to the elderly and those with preexisting health conditions, as well as the potential for increased demand on health and social care services

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