How do harmless puffy white clouds grow into towering, potentially dangerous cumulonimbus thunderstorms? On their surface, clouds appear to be an odd contradiction of nature — light enough to float on ...

Add Yahoo as a preferred source to see more of our stories on Google. The western wildfires are creating thunderstorms. These thunderstorms form out of clouds with a unique name, pyrocumulonimbus ...

People may be frustrated by the lack of detail when weather forecasters say, "There will be thunderstorms popping up, but we don't know where." Now a key finding in a study by the UK Centre for ...

Thunderstorms are known to form preferentially on warm, humid days with unstable air. But predicting where exactly a thunderstorm will develop has so far remained extremely difficult. Heavy rainfall ...

Did harsh winds, loud thunder, and heavy rain in Ohio wake you from your sleep last night? Much of the Buckeye State was hit with a severe thunderstorm during the early morning hours Thursday, and ...

According to the National Weather Service, only one in ten thunderstorms that form in the U.S. get strong enough to be considered severe. In Colorado, our geography often gives us the ingredients for ...

A week ago, Milwaukee and much of Wisconsin was slammed by severe weather – and more often than not, the storms rolled through late in the day or overnight. That isn't unusual, though, because ...

On day three of Severe Weather Awareness Week, we're focusing on thunderstorms and tornados. We often hear of summer storms, but thunderstorms can happen year-round. There are usually three main ...

The rumble of thunderstorms across the country this week is a noisy reminder that summer is arriving—and with it, the mix of heat, humidity and unstable air that fuels these bursts of wild weather.