Flood Guidance Statement / Rapid Flood Guidance: Flood Forecasting Centre (a partnership of the Met Office and Environment Agency). Contains public sector information licensed under the Open Government Licence v3.0.
Flood Outlook: Flood Forecasting Centre; issued approximately twice monthly for England & Wales. Contains public sector information licensed under the Open Government Licence v3.0.
Live flood warnings: Environment Agency (England) and Natural Resources Wales (Wales), Open Government Licence v3.0.
Tidal predictions: National Tidal & Sea Level Facility (NTSLF), National Oceanography Centre (NOC), using Liverpool Gladstone Dock predictions.
Radar & satellite imagery: Met Office UK composite radar, British Crown copyright Met Office (CC BY-SA 4.0); contains modified EUMETSAT Meteosat data (CC BY 4.0), visible and infrared channels.
Surface pressure (MSLP): NOAA Global Forecast System (GFS), public domain, using early frames of successive model runs as a proxy analysis.
Rain gauge observations: Environment Agency, Natural Resources Wales and SEPA telemetry networks (15-minute totals), Open Government Licence v3.0.
24hr rainfall accumulation: Met Office UK composite radar, British Crown copyright Met Office (CC BY-SA 4.0).