Intense rainfall triggered surface-water flooding in Newcastle, County Down, where locals used shovels and sandbags to protect homes as roads closed. Authorities deployed over 900 sandbags; further unsettled weather is forecast nationwide.

Northern Ireland has announced an Avian Influenza Prevention Zone after bird flu was detected in several wild birds, imposing strict biosecurity measures on bird-keepers.

Post-tropical cyclone Ophelia put Ireland on a shutdown.

The remnants of post-tropical cyclone Ophelia hit parts of Ireland with gusts of more than 90 miles per hour. The storm knocked out power to some 360,000 customers.