Talking of little features cropping up GFS has a little area of precip run in to Hampshire/IOW and along the coast earlyish Sunday morning. Suspect it will disappear on the next run but shows the potential is there for enhanced areas of precip.
Before then there's (as per the MetO forecasts) a little feature that runs down the North Sea coastline from Southern Scotland, fizzling before it gets to Norfolk.
Bigger picture and if I had to guess I'd say the 18z Op is going to stall the LP in the Atlantic and decay it.
Edit: Brian beat me to it on the Sunday thing!
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