Monday 12 December 2011, 16:41
One of the stormiest periods the UK has seen for years is set to continue this week with Wales in the firing line for more heavy rain, gales and some snow too.
The reason for the turbulent weather is the jet stream, a ribbon of strong winds travelling at speeds of around 200mph high in the atmosphere around 30,000 feet.
This will steer areas of low pressure in from the Atlantic bringing spells of wet and windy weather and some heavy rain is likely with gales and a risk of localised flooding.
On Tuesday and Wednesday the air will be cold enough for some of the showers to fall as sleet and snow.
Most of the snow will be on ground above 100 metres or 300 feet. The snow will settle in places, especially on some hills and mountains where 5 to 10 cm (2 to 4 inches) of snow is possible but I wouldn't rule out slushy deposits on some lower ground.
Later on Thursday and into Friday we could be in a significant spell of stormy weather as a deep area of low pressure steams in from the Atlantic.
We could see wind gusts of 60 to 70mph, with some exposed coasts and hills touching 80 mph.
At the moment, though, there is some uncertainty about the exact track, the storm will take and consequently which part of the country will be worst hit.
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Monday 12 December 2011, 16:06
Tuesday 13 December 2011, 08:40