Showers are expected to develop on Monday afternoon, lasting until Tuesday morning with periods of heavy and persistent rain, especially in areas exposed to brisk east-southeasterly winds. Around 15-30 mm of rain is expected in the warning area, with up to 50-60 mm in the Mournes. To prepare for potential flooding, check if your property is at risk and consider creating a flood plan and emergency kit. Stay ahead of any delays by checking road conditions and transportation timetables before traveling. Be ready for power cuts by stocking up on essentials like torches, batteries, and a mobile phone power pack. Be aware that weather warnings can change quickly, so it's important to stay updated on the forecast in your area.