Europe's latest spell of sizzling heat, which ended last week, caused a threefold rise in heat-related deaths because human-induced climate change boosted the intensity of the heat wave, British scientists said.

The rapid analysis by World Weather Attribution calculated that climate change might have tripled the death toll from the event.

Moist air masses fed the heavy rainfall as they moved into the so-called ‘Flash Flood Alley.’ For every 1°F increase in temperature, there is about 4% more water vapor in the atmosphere