Extreme heat is becoming more common and deadly across the globe. A new analysis from Reuters  combed through extreme heat data on Earth for the past six decade and coined a new term – heat storms – to describe the phenomenon.

<p>Extreme heat is becoming more common and deadly across the globe.&nbsp;A new analysis from Reuters&nbsp; combed through extreme heat data on Earth for the past six decade and coined a new term &ndash; heat storms &ndash; to describe the phenomenon.</p>