River levels remain high as a result of heavy rainfall at Roecliffe Caravan Park in North Yorkshire, the flood warning service said.
Consequently, flooding of property, roads and farmland is expected today. (Sun Oct 4)
The area most at risk is Roecliffe Caravan Park according to the warning.
River levels are expected to remain high during Sunday and the incident response staff are closely monitoring the weather and forecast.
The warning states: "Please move possessions and valuables off the ground or to safety and do not walk or drive through fast moving water.
"Please avoid using low lying footpaths near local watercourses and plan driving routes to avoid low lying roads near rivers, which may be flooded."
Storm Alex has battered the region, with heavy rainfall - especially during Saturday.
The warning is set to be updated throughout the day.