(Bloomberg) London will exceed 30C (86F) on Wednesday, with an autumnal heat wave searing northwest Europe while storms and floods batter the Mediterranean.Most Read from BloombergHuawei Teardown Shows Chip Breakthrough in Blow to US SanctionsWhy China Is Avoiding Using ‘Bazooka’ to Spur EconomyMercedes Bets on Range Boost in Swipe at Tesla’s EV LeadOpenAI CEO Sam Altman First Person to Get Indonesian Golden VisaTemperatures in the southeast of the UK could climb as high as 33C over the next