Paul Daly (Fianna Fail) | Oireachtas source

Yes, we all know why they are there. A captain of a ship or a driver of a lorry might look at a thermometer and decide he is good to go. However, if he has to look at the weather forecast before deciding whether he is good to go, it could turn out to be different six hours later. The meteorological services are very good at the minute and fairly accurate but they are not 100%.