Soz,
Just asked our 'in house' forecaster as to what she thought of the GFS and its output..
This is her response:
'It’s tricky regarding the uncertainty, there are some signs that the GM is perhaps the outlier to the majority of other solutions at the minute for later in the week, hence some of the uncertainty! The GM wants to fragment the ppn moving NE across SE England through Friday and it’s this which is slightly at odds with other output so at the minute the chief has been making modifications to GM output, but like I said still a few days out.'
Anyway, back to the regionals...