looks to me that by far all our best chances are early Friday afternoon
my concern is that it might play out that the storms North France chuck out a load of upper level cloud
we get a load of morning murk on Friday
temperatures don't have chance to rise as high as models suggest, so we get even lower CAPE
and we're left with a mass of "thundery rain"
especially since peak instability is quite early in day - not much time for temps to recover if we have murk in the morning
I'd reckon west of spine of country has best chance of home grown storms - but nothing particularly exciting
I think S-East "may" have a chance of some decent imports -but low chance