Two people were also killed off the coast of the British county of Kent as a result of the storm.
Winds of over 150 kilometres per hour were recorded in Aberdaron, south Wales.
The Environment Agency has issued out more than 270 flood warnings and eight "danger to life" severe warnings as of Monday morning (17 February).
Meanwhile, British Airways and budget carrier EasyJet have confirmed they grounded flights.
"Some communities have been cut-off., but emergency service workers are working tirelessly to put measures in place to ensure the safety of residents", South Wales Police said in a statement.
Gwent Police said that residents of Skenfrith, Monmouthshire, were being advised to evacuate due to the flooding.
Later on Sunday a series of major incidents were declared, first in South Wales, then in Herefordshire and later in Nottinghamshire which have borne the worst of the flooding.
Earlier, the Ministry of Defence deployed Army personnel to assist people in West Yorkshire areas badly hit by flooding during Storm Ciara.
A wider yellow warning is also in place across the majority of the country for most of the day, and will be followed by high wind warnings on Sunday.
Severe flood warning were issued for the Scottish Borders but these were no longer in force by late on Sunday morning.
"It's quite an extreme move but we have seen widespread falls across the whole region", forecaster Greg Dewhurst said.
During a visit to York to discuss tackling flooding, Eustice told Sky News: "We've done a huge amount - we can't do anything about these extreme weather events, but the steps we've taken have meant the impact of those weather events have affected fewer properties".
Disruption is set it continue today, with the Environment Agency warning of "significant" flooding throughout the week as it issued more than 600 alerts covering the length and breadth of the country.
Part of one of Scotland's main roads, the M8, had to close while emergency services used pumps to clear the water.
"Winds will be increasing throughout the day on Sunday across Germany, Denmark and southern Sweden", said AccuWeather Meteorologist Maura Kelly.
Twins acquire pitcher Kenta Maeda as part of three-team trade
By dumping payroll, the Red Sox also put themselves in position to be a player in free agency following the 2020 season. But Yankees managing partner Hal Steinbrenner stuck a very diplomatic tone when asked Wednesday about the Betts trade .