The Met Office have issued a series of weather warnings for Dundee, Tayside and Fife as the region prepares to be hit by Storm Diana.
A major change in the UKs weather is expected in the coming days as the weather systems sweeps in from the Atlantic.
A major downpour of rain is expected to batter parts of north-eastern Scotland from Wednesday afternoon until the evening.
The Met Office has placed a yellow warning of rain across the area from noon until 11pm on Wednesday and another one for wind from noon on Wednesday until 2am on Thursday.
Storm Diana, named by the IPMA Portuguese weather service, is currently threatening the Azores and is due to make itself felt over western parts of the UK on Wednesday.
The Met Office statement on the weather warnings states: Rain will become persistent and heavy at times across parts of northeastern Scotland on Wednesday afternoon and evening.
Accumulations of up to 50mm (2in) are likely on high ground. This will come on top of rainfall on Tuesday, and melting snow.
The forecaster added: A very unsettled spell of weather is expected with strong southeasterly winds developing.
Later in the day, gusts of 70mph-75 mph are expected to become more frequent across Shetland, where sustained wind speeds could reach 60 mph.
Dan Harris, deputy chief meteorologist at the Met Office, said: It now looks very likely that we will see a major change in the UKs weather early in the week ahead.
We expect spells of wet and windy weather to sweep across the UK from the south west from Tuesday, although at the moment there is uncertainty around the timing and the focus for the heaviest rain and strong winds by Wednesday as Storm Diana approaches our shores.
SEVERE weather warnings for torrential rain and powerful winds that pose a danger to life have been issued by the Met Office as Storm Diana bears down on the UK.
Britain is braced for a “major change” in the weather this week as Storm Diana threatens to unleash powerful gales and torrential rain, causing travel chaos across the country.
A wave of volatile low pressure surging through the Atlantic Ocean is forecast to lash Britain with severe weather in the coming days.
A “major change” in the weather has been predicted by the Met Office, whose forecasters have warned of heavy rain and strong winds on Tuesday and Wednesday.
The remnants of Diana, named by the Portuguese Meteorological Authority (IPMA), are forecast to merge with another band of low pressure, bringing wet and windy weather to the UK.
A series of yellow “be aware” weather alerts warning of a “very unsettled” conditions have been issued by the Met Office this morning.
A warning covering western parts of the UK, including Northern Ireland, south-west England and Wales, will come into effect at 9am on Wednesday and will remain in place until 9pm.
Delays to public transport, longer journey times on the roads, power cuts and large waves in coastal communities are expected during that period, the Met Office said.
Similar effects are expected in north-west Scotland, where yellow warnings for heavy rain and powerful gales will be active between 12pm on Wednesday and the early hours on Thursday morning.
On Thursday, two more warnings for strong winds will cover south-west England, Wales, north-west England and Scotland, where gusts could reach 80mph.
In its advisory for Thursday, the Met Office said: “There is a small chance that an intense weather system could quickly travel northeast, bringing a narrow swathe of very strong winds early in the day to parts of southwest England and Wales, followed by north Wales and northern England a little later.
“Should this occur, wind gusts of around 80mph are possible, particularly along exposed coastlines. This would also bring some rough seas, large waves, and possible local coastal impacts.”
A dramatic weather map shared by the Met Office shows how Storm Diana will sweep through the Atlantic past the Portuguese Azores before slamming into the UK.
Conditions will start to turn wet and windy on Tuesday before the storm ploughs into the UK on Wednesday, when widespread travel disruption and flooding is expected.
Dan Harris, deputy chief meteorologist for the Met Office, said the weather will become increasingly unsettled on Tuesday before Diana hits in the early hours of Wednesday morning.
He said: “It now looks very likely that we will see a major change in the UK’s weather early in the week ahead. “We expect spells of wet and windy weather to sweep across the UK from the south-west from Tuesday, although at the moment there is uncertainty around the timing and the focus for the heaviest rain and strong winds by Wednesday as Storm Diana approaches our shores.”
Some forecasters believe parts of the UK could be battered by winds as strong as 70mph in places on Wednesday as the storm reaches its peak.
The Weather Outlook forecaster Brian Gaze said: “Stormy weather on Wednesday sees wind gusts of 70mph possible in the West and gales for much of the country.”
A “revved-up” Atlantic jet stream has been identified as the reason for the stormy weather, according to forecasters.
The low pressure will sweep away cold air from the east that sent temperatures plummeting to -5C on Sunday night.
Conditions are forecast to remain settle and chilly on Monday until Tuesday morning, when low pressure will change the situation, brining milder, wetter and windier weather.
“A front pushes in from Monday night, with another deep low on Wednesday bringing the risk of 50-60mph gusts in the West and North, and blustery conditions for other parts.
“It stays unsettled for the weekend and into the following week – but a cold blocking pattern is expected to be in place into mid-December, with snow expected, especially on northern hills.”
Looking further ahead, a period of bitterly cold weather is expected from mid-December, with snow possible.
Arctic air will bring the festive chill, risking significant snowfall and a white Christmas, forecasters have said.
John Hammond of weathertrending said: “Computer forecasts show a revved-up jet stream sweeping away high pressure.
“But there is an increasing chance of much colder air being pushed towards us from the north and east as December progresses.
“The chance of significant snowfall increases. A White Christmas may be more likely this year than most.”
Bookmakers Coral cut white Christmas odds to 7/4 in Aberdeen, 3/1 in Manchester and Birmingham and 4/1 in London.
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