Sentences with phrase «ignited by lightning strikes»

Other surface fires occur where coal seams that sit close to the earth's crust are ignited by lightning strikes, forest fires, or brushfires.

Not exact matches

Smoldering fires can be ignited by natural causes such as wildfires, lightning strikes, self - heating or anthropogenic factors, e.g., slash and burn, arson, mining activities or waste incineration.

By Sunday, the blaze spread to encroach upon homes as an all - time high of 33 C (91 F) was recorded in Visby, Gotland even as tumultuous and oddly dry storm clouds brought with them more than 47,000 thousand lightning strikes, shattering Sweden's all - time one - day lightning record and igniting numerous smaller fires throughout the nation.

But another significant impact of increased lightning strikes would be more wildfires, since half of all fires — and often the hardest to fight — are ignited by lightning, Romps said.