Experts from Met Eireann briefed the group on expected weather and warnings in place until this afternoon.
Most of Britain will be drenched by torrential rain and battered by 50mph winds today as Storm Callum continues to wreak havoc on the country - but some patches in the South East will bask in balmy 78F (26C) heat.
Carlow, Kilkenny, Wexford and Wicklow are expected to experience heavy and persistent rain throughout the day.
Motorists were also warned over tricky driving conditions brought by Callum, with several roads and highways in Cumbria impassable owing to floodwater.
Strong to gales force winds will affect Ireland and the United Kingdom during Friday 12 Oct. Gusts of 60 to 70mph are forecast, possibly higher for exposed hills and coastlines.
Arriva Trains Wales is planning to shut the line between 7am and 11am on Friday morning and in the evening.
A yellow weather warning is in place in those areas - and parts of northern and south western England as well as some of Scotland - while a higher amber alert is in force for Wales.
It is because the storm is likely to coincide with high tides around the south Wales coast.
The storm has brought very strong winds and heavy rain in many places, with the western side of the country experiencing some of the strongest winds. Wales suffering the "worst flooding in 30 years", BBC News reports.
Gary White, NRW's Duty Tactical Manager, said: "The current forecasted rain could cause flooding this week, especially in south and west Wales, and we are urging people to prepare themselves".
The Scottish Environment Protection Agency issued five flood alerts for Friday in Argyll and Bute, Ayrshire and Arran, Dumfries and Galloway, Scottish Borders, Skye and Lochaber and Orkney.
It's likely that some coastal routes, sea fronts and coastal communities affected by large waves and rough seas as high tides are near their peak.
Rail services were plagued by delays, with severe weather affecting services between Preston and Scotland, across Wales, and in South West England.