Some interesting patterns in the rainfall today. ManUniCast did a reasonable job of representing the scattered showers, but it is unable to capture the correct position and intensity of every single little blip on the radar. That's just not possible, certainly with the way that we run the model (cold start from quite low-resolution initial conditions).
Here are snapshots from the model forecast today, compared with the actual radar data for 3 p.m. this afternoon (courtesy of http://www.raintoday.co.uk).
Update from Meteogroup: