Hundreds of homes flooded as downpours continue
More than 300 homes have been flooded and train services disrupted as heavy rain continues across parts of the UK
Hundreds of people are facing a night in temporary accommodation as 87 Environment Agency flood warnings remain in place.
Some areas were expected to see 50mm (2in) of rain - an average fortnight's worth - in a day, the Met Office said.
BBC weather forecaster Peter Gibbs said it was the most intense September storm for 30 years.
The Met Office said an area of low pressure measuring 973 millibars had been recorded near the coast of north-east England - the lowest in the UK for September since 1981.
Transport was disrupted with part of the A1 closed in North Yorkshire and the East Coast mainline hit.
In England, the Environment Agency issued 83 flood warnings - indicating flooding is expected - in England and Wales.
There are 139 less serious flood alerts, indicating flooding is possible.
In Scotland, there are flood warnings in five regions, while in Northern Ireland there is no flood warning system but the Met Office has warned of persistent rain and gales.
The Environment Agency warned that river levels would continue to rise into Wednesday along the River Ouse in Yorkshire and the River Severn, which could cause further flooding