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Wales Online
Wales Online
National
Will Hayward

Met Office issues 'disruptive snow' warning for parts of Wales

The Met Office is warning that snow could cause disruption towards the end of next week. Wales is forecast to see snow in patches for the next few days before a wider band comes in on Tuesday. You can see a breakdown for exactly what parts of Wales will see snow here.

However the Met Office is also warning that there could be more significant issues with snow from next Thursday, March 9, onwards. In the Met Office's latest long range forecast, which is updated daily, it warns that the weather towards the end of next week is still uncertain, saying "confidence is low" in the forecast.

The forecast, from Thursday, March 9 to Saturday, March 18, says: "On Thursday, a band of cloud and rain is expected to make some progress northeastwards from the southwest, potentially bringing some disruptive snowfall to parts of central and southern England and Wales.

"In the north, drier conditions are more likely, although some coastal snow showers remain possible. Into the weekend, the most likely scenario is for most areas to remain colder than average, with occasional wintry showers possible in the north, and more persistent rain or snow further south."

Read more: Met Office maps show exactly where and when snow is expected in Wales

After next weekend, the forecasting body thinks that the cold weather may start to clear and milder weather return. It says: "Later, a transition to milder conditions is expected, bringing some spells of rain and strong winds, although periods of snow remain possible, particularly in the far north. Temperatures generally below average, but may gradually turn milder into the end of the period."

The meteorologists at the Met Office, who use incredibly sophisticated modelling to predict weather patterns, have said that for second half of March, from March 19 to April 2, it has very low confidence in terms of prediction accuracy but said: "It's likely to be drier further north apart from occasional wintry showers, while rain and strong winds are more likely in the south, with a lower risk of snow at times.

"These milder conditions may extend north periodically, but it's possible that the cold but bright weather could return south to all parts through late March, bringing a return to drier conditions to the south. Temperatures will likely fluctuate between cold and mild, north to south, but will probably average out around normal."

Why isn't there more detail in the long range forecast?

Ever wondered why Met Office forecasts for five days and beyond are written on the scale of the UK as a whole? When looking at forecasts beyond five days into the future the chaotic nature of the atmosphere starts to come into play - small events currently over the Atlantic can have potentially significant impacts on our weather in the UK in several days' time. Therefore whilst experts can still forecast the general feel of the weather to a relatively high level of accuracy using our ensemble models, it becomes harder to offer local detail to as high a level of accuracy as our shorter range forecasts.

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