Summer is bringing isolated showers and clouds to Lancaster County today, the first official day of the season.
First Alert: Tracking heat, humidity and isolated storm chances
Tornado or not? What those scary-looking clouds really are
FIRST ALERT WEATHER: Humidity drops tonight, but we heat up for the weekend
Thunderstorm - Wikipedia
Lightning Safety - Yosemite National Park (U.S. National Park Service)
Thundersnow: How a snowstorm produces lightning
Summer-like weather pattern continues - Home - WCBI TV
Answers to 7 lightning, thunderstorm electricity claims
39 Facts About Storms That Will Make You Run for Cover
Thunderstorm - Wikipedia
SW FL Weather: Some sun this morning before scattered storms
Warm temps, storms arrive for the first day of summer
It's the season for thunderstorms, says SA Weather Service – The Mail & Guardian
Warm temperatures continue; Chance of isolated thunderstorms arrives late Thursday – WBKB 11
Thunderstorm, Definition, Types, Structure, & Facts