i don't think that's true just to confirm will this heat be enough to trigger so violent thunderstorms in north west England i feel like all the right conditions are coming out to play here are the key things i think.
1 we will have very unstable air if we get 30c and if there's high humidity it wont take much to turn the storms nasty.
2 if the high stays long enough then we will start to get protracted heat that will make it feel like 32-34c.
3 its all looking good i feel that we have at least got 14-18 days of very warm/hot conditions.