Study finds dry lightning can spark wildfires even under wetter conditions
Credit: Pixabay/CC0 Public Domain Dry lightning can still be disastrous even when conditions aren't so dry, a study has found. These cloud-to-ground strikes during little to no rainfall were previously thought to pose wildfire danger only if occurring with less than 2.5 mm of rain in a day (about 0.10 inches). A Washington State University-led study of lightning-ignited wildfires in the U.S.