The European heat wave explained: http://theconversation.com/explainer-the-omega-shaped-jet-stream-responsible-for-europes-heatwave-44268 "Europe has been affected by two notable heatwaves in recent memory, during the summers of 2003 and 2006. Both were caused by very similar meteorological conditions to those occurring now . . . In the heatwave of 2003 almost 15,000 deaths were attributed to the weather conditions in France alone. "