A cold, unstable air mass aloft. A record atmospheric moisture load due to human-caused climate change. Add in 80 degree or warmer surface temperatures and these three ingredients can spark some seriously epic thunderstorms. Such was the case across Europe today as towering thunderheads exploded into the skies, raining more than 330,000 bolts of lightning down upon the continent.
Source: Fire in the Sky — More Than 330,000 Lightning Strikes Hit Europe in Just Eight Hours | robertscribbler