Tropical Cyclone DORIAN passed over the Abaco islands (northern Bahamas) on 1 September as a Category 5 hurricane with maximum sustained winds of 295 km/h. On 2 September at 3.00 UTC, its centre was over Grand Bahama Island with maximum sustained winds of 285 km/h. Parts of Marsh Harbour are flooded, and power and water outages reported. DORIAN is forecast to pass close to east Florida as a Category 4 hurricane, continuing towards the Georgian and South Carolina coast, as a Category 3 hurricane. A storm surge warning is in effect for the east coast of Florida from West Palm Beach to Brevard County and a hurricane warning for the north-west Bahamas and east coast Florida. Mandatory evacuation notices have been issued for coastal areas of Florida, Georgia and South Carolina, and a state of emergency declared for coastal Florida, Georgia, and the Carolinas. The European Commission's Copernicus emergency satelite mapping service was activated on 1 September at 8.12 UTC to provide satellite maps for the Abaco Islands.