Negative lightning is the most common, accounting for about 95% of cloud-to-ground strikes. It carries a negative charge and delivers multiple strokes of current averaging around 30,000 amps.

LOUISVILLE, Ky. (WAVE) - Thunder is created by the acoustic shock wave from the extreme heat of a lightning flash. Lightning can reach temperatures of 54,000°F (30,000°C)—five times hotter than the ...

How thunder is produced Thunder is the sound produced by lightning. When the electrical current from a lightning strike passes through the air, it heats the surrounding air rapidly—up to 30,000°C.

Storms brought significant thunder and lightning to the Southland. Every part of L.A. was within earshot of thunder on Tuesday, said one meteorologist.

Every part of L.A. was within earshot of thunder on Tuesday, he said. The storms brought significant thunder and lightning but generally were accompanied by light rainfall, a tenth of an inch or less.

Canadian wildfire smoke over Michigan prompts air quality advisories and the unofficial "thundersmoke." Unusual weather phenomena: heat lightning, haboobs, virga, scud clouds, and waterspouts. On ...