The Met Office has already said that the storm is likely to develop in the west Atlantic tomorrow.
But this is expected to appear much closer to land, potentially moving across the country while in its most powerful phase.
"There likely to be tree and other debris on the roads as well potential flooding, so it very important to keep your speed down and drive with great care, particularly on country roads early on Monday morning when it still dark.
Darron Burness, head of the AA flood rescue team, said: "If the predicted storm strikes, the timing couldn really be worse, potentially causing significant travel disruption on Monday morning, which is one of the busiest times on the roads.
Met Office spokeswoman Nicola Maxey said: "We have been tracking the probable course of the storm, and we are tracking it further north than we had thought earlier. We have also revised the speed for gusts of wind up to 70 to 80mph inland, with the possibility of speeds in excess of 80mph in exposed coastal areas."
Nick Prebble, a forecaster with MeteoGroup, the weather division of the Press Association, said: "There is growing confidence that there will be a storm affecting many parts of England and Wales from midnight on Sunday. Some places are likely to see gusts between 60 and 70 mph, and they may exceed that, possibly even reaching 80."
The storm, which is likely to be the worst of the year so far, will develop over the Atlantic tomorrow before bringing exceptionally strong winds to the land early on Monday.
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"Strong wind and torrential rain is an unpredictable and hazardous combination, which can be quite overwhelming when you driving.
air close to the UK are contributing to its development and strength.
take to cross the country. The rush hour will see the aftermath, with any damage, power and transport problems that have occurred."
They say it is now looking more likely than before that the storm with wind speeds of 80mph or more will cross the southern half of Britain, rather than passing south of the country and a larger area than previously thought could be affected.
"If it bad where you are, keep tuned to the weather and traffic reports in case of road or bridge closures and heed any local police advice about whether it safe to travel.
"We are expecting the storm to be in the early hours, and it is not yet clear how long it will Nike Kyrie Irving New Shoes
Forecasters today widened their warnings for a powerful storm expected to batter England and Wales in the early hours of Monday morning.
"Trees can partially fall too and hang above the road, sometimes above the sweep of the headlights, making them very difficult to spot.
She said there was the possibility of structural damage, trees and power cables Nike Zoom Kobe Venomenon 5 coming down, and transport problems.
The AA specialist flood rescue team, AA Special Operations, has been working all week and is geared up for a potentially very busy period. Its crews receive flood rescue and 4x4 training and drive modified Land Rovers.
before crossing a ford. If you using a sat nav, be sensible and try to stick to the main routes where possible.
Forecasters widen storm warnings
It is likely to intensify rapidly just west of the UK late on Sunday before tracking across England and Wales early on Monday.
Atlantic storms of this type usually develop further west across the ocean, losing strength by the time they reach the UK and Ireland.
"At a minimum, take a fully charged mobile phone and warm, weatherproof clothing."
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