I’ve found some useful websites:
You can sign up for flood alerts and warnings for your property or business here: https://www.gov.uk/sign-up-for-flood-warnings
and you can also check for flooding in Suffolk here: https://check-for-flooding.service.gov.uk/location?location=suffolk – this one includes a map
Suffolk County Council have listed roads closed due to flooding here: https://www.suffolk.gov.uk/roads-and-transport/roadworks/temporary-road-closures-for-suffolk-highways-roadworks/roads-affected-by-storm-ciaran
You can also call the floodline for advice:
Telephone: 0345 988 1188
Textphone: 0345 602 6340
Open 24 hours a day, 7 days a week
Find out more about call charges