Homeowners were warned about the risk of flooding this winter in a campaign launched by the Environment Agency today.
Sussex was hit badly by flooding last year and some businesses are still suffering while others are yet to re-open.
September marks the start of the winter flood season and scientists predict that climate change could lead to more frequent floods.
Hundreds of homes across the county were wrecked as rivers burst their banks and storms and gales lashed the UK last autumn.
Areas of Lewes and Uckfield were devastated. Homes and shops were under feet of water and people fought to rescue belongings.
Some shop owners have closed their businesses, unable to cope with the loss of takings and the difficulty getting insurance cover.
The emergency services, Environment Agency and local authorities are working on a flood defence plan to stop the devastation happening again.
But before the memory of last year's dramatic floods fades, the Environment Agency is calling on people to get prepared during the critical months from September to April.
The exceptionally rainy autumn last year was the wettest period for more than 40 years and the second wettest since records began.
Recurring heavy downpours caused prolonged, extensive and repeated flooding in some areas.
Environment Agency flood warning manager Peter Borrows said: "Unfortunately, last year many people discovered just how devastating the effects of flooding can be on properties and lives."
The campaign was welcomed by the Association of British Insurers, although director general Mary Francis called on the Government to take action to prevent flooding.
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