Britain will get its first real glimpse of winter later this week, with temperatures approaching zero and snow and flooding on the way.
Gritter trucks spreading salt and sand against a wintry backdrop in Scotland this morning. The Met Office insisted that snowstorms are also possible at "lower levels" in northern England.
Elsewhere, warnings have been issued along the North Norfolk coast where there are fears that the tide, lashed by the stronger winds, will flood defenses and flood homes and businesses.
The Thames Barrier will also close, with strong north winds creating a storm surge that is expected to be directed along the Thames estuary.
As the mercury drops towards freezing point and temperatures are already 2 ° C north of the border, police urge drivers to be careful and warn that trees could be toppled by storms.
Weather forecasts predict sleet and hail will hit the UK with lows of 1 ° C (33 ° F) for the remainder of the week, after hitting a mild 17 ° C in spots a few days ago.
A gritter spreads salt and sand on the Cockbridge to Tomintoul road in Scotland this morning against a wintry backdrop
A graph shows the weather forecast for the UK for the next three days, with low temperatures and rain expected widely
A Met Office weather map shows temperatures plummeting today, with mercury as low as 2 ° C in some parts of Scotland
A Met Office weather map shows how wind and rain hit parts of the UK this morning
A gritter spread salt and sand on the Cockbridge to Tomintoul road in Scotland this morning against a wintry backdrop
Early in the morning swimmers hit big waves on the beach at Tynemouth Longsands in North Tyneside as strong winds hit the coast of north east England today
A woman holds an umbrella and warm coffee as she walks through the rain on a bleak day in Westminster, London
A woman with a face covering holds an umbrella to protect her from the rain on a miserable morning in the capital
A jogger takes his dog for a run at The Purbecks in Ballard Down, Dorset on a sunny but stormy morning today
The view from the Purbeck Hills of the Swanage coast on a bright but cool morning at Ballard Down, Dorset, today
Swimmers enjoy the water at Langland Bay near Swansea this morning as the sun rises on the skyline
The bookmakers offer odds of 4/6 so that snow will fall in every major city by the end of the week. The temperatures are around 4/9 and reach zero.
Coral spokesman John Hill said, “The big frost is on its way and we believe temperatures should drop to 0 ° C before the week is up.
"With temperatures dropping rapidly, the prospect is that many parts of Britain will see snow later this week."
In the meantime, the Environmental Protection Agency has stated that immediate action is needed in North Norfolk with a view to the North Sea.
Residents of villages like Watcott, Bacton and Salthouse where tidal flooding is expected. waited nervously for the worst weather.
In the north of the county there are three flood warnings for the area from Wells Quay to Bacton. The EA warns that the worst flooding is expected to occur between 7.15am and 11.15am.
"This warning is due to weather forecasts that indicate that the tides are likely to be higher than usual and therefore an increase may occur," they said.
"People are asked to watch out for coastal roads and footpaths and not unnecessarily endanger themselves."
There are several other less severe flood warnings in other parts of the county.
These state that flooding is possible all over the east coast in the Great Yarmouth and Waveney areas, as well as in western parts of the county such as Hunstanton.
Met Office forecaster Alex Deakin said, "It's going to be a lot colder in the next 24 to 48 hours. Thursday is particularly cold thanks to strong winds."
With the upside-down weather, Britain experienced its wettest day on record in October, with enough rainfall to fill Loch Ness.
October 3rd averaged 1.25 in. (31.7 mm) nationwide, the highest figure since records began 129 years ago.
The day of the downpours came hours after Storm Alex hit Britain at 90 mph. On August 25, 1986, the previous record of 29.8 mm (1.17 inches) was broken.
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