The US is shifting to a new set of climate 'normals' – data sets averaged over the past 30 years. But normal is a relative concept in a time of climate change.
With the onset of spring come thunderstorms, and sometimes tornadoes. Learn how these systems form and why night tornadoes are especially deadly.
Ramping up fossil power sources is no longer a good option in an energy-supply crisis. Bring in the weather forecasters.
Hurricane and tornado winds spin in circles, but there's another, equally dangerous storm type where winds barrel straight ahead. They're called derechos, and are most common in summer.
More than one million weather observations were made by aircraft each day in 2019. Since the pandemic started, these have dropped by 90%.
In the Southeast US, tornadoes strike at night more often than in other regions. This poses special challenges for getting early warnings to the public.
Earth's biggest rivers are streams of warm water vapor in the atmosphere that can cause huge rain and snowfall over land. Climate change is making them longer, wetter and stronger.
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