According to a new study, -111°C is more than 30°C colder than typical storm clouds and is the coldest measurement of storm cloud temperature on record.
Lightning strikes seen Monday in Cook Inlet and on the Kenai Peninsula were heading toward South Anchorage, a meteorologist said.
In the midst of B.C.'s record-breaking wildfire season, the heat from four fires triggered huge thunderstorms that sent smoke flying into the stratosphere, eventually spreading through the entire Northern Hemisphere.
Lightning is unusual in a city that, according to the National Weather Service, sees fewer than two thunderstorms a year. It was the first time the power company had seen a lightning-related power outage in 15 years.
Researchers predict a tripling of thunderstorms by the end of the century, which could lead to heavier rainfall and flash flooding, landslides and more lightning-sparked wildfires.