Police in Scotland are warning of travel disruption as Storm Frank batters much of the country.
The Met Office has issued a "be prepared" warning covering all mainland regions except the Highlands, as torrential rain and gale-force winds sweep in, with many communities put on flood alert.
People in areas that experience severe weather are being advised by roads authorities to avoid unnecessary travel.
Communities in the Borders have been told to prepare for up to 120mm of rainfall, with Peebles and Upper Tweed expected to bear the brunt of the bad weather.
Chief Inspector Andy McLean, the local area commander, says that road conditions are likely to become "very difficult" due to flooding and standing water.
He adds there is a strong possibility that some roads will have to be shut, and is warning drivers not to ignore "road closed" signs.
Police in Tayside are also warning of potential travel disruption due to flooded roads, and are advising motorists to pay close attention to the latest travel news before venturing out.
Forecasters say a deepening area of low pressure is likely to bring "a swathe of gale and severe gale-force winds" across parts of Northern Ireland and Scotland, with gusts of up to 80mph predicted in exposed areas.
A number of bus and ferry services have been cancelled in the Western Isles due to the extreme conditions.
HM Coastguard is advising vessel owners to think twice before venturing out in the expected storms.
Commander Mark Rodaway is also warning photographers attracted by the dramatic images of coastal storms to avoid putting themselves in danger, saying "no photograph or selfie is worth risking your life for".
The new year should start on a quieter note weather-wise as the stormy conditions are expected to clear up before Thursday's Hogmanay celebrations get under way.
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