Ian Wall's photographs of lightning storms goes viral - Chicago Sun-Times
Simultaneous lightning strikes light up Chicago skyline
Scientists capture the first ever footage of ball lightning | Daily Mail Online
Stronger Storms To Hit Chicago Thursday Evening
Spectacular lightning strikes accompany Chicago-area storms
Record-Breaking Lightning Bolts Spark Excitement | Smart News| Smithsonian Magazine
Ball lightning - Wikipedia
Ball lightning | Electric Discharge, Plasma & Atmospheric Electricity | Britannica
Image of rare triple lightning bolt captured over Chicago's night sky
Image of rare triple lightning bolt captured over Chicago's night sky
What it's like to be struck by lightning | Science | The Guardian
Lightning zapped four of Chicago's tallest skyscrapers at once Monday. Here's how. - The Washington Post
Physics - First Spectrum of Ball Lightning
Can you use the phone or take a shower during a thunderstorm? These are the lightning safety tips to know. - CBS News
Image of rare triple lightning bolt captured over Chicago's night sky
Lightning - Museum of Science and Industry
Strangest Weather On Earth: Balls of Lightning! - YouTube
Ball Lightning: Weather's Biggest Mystery | Answers With Joe - YouTube
Photos: Lightning over Chicago -- Chicago Tribune
Image of rare triple lightning bolt captured over Chicago's night sky
Climate Change Makes Lightning More Likely. Here's Why That's a Big Deal - Inside Climate News
Photos: Lightning over Chicago -- Chicago Tribune
