Atmospheric rivers are a plume of moisture that extend across the Pacific to near Hawaii. When they hit land they can cause ...

Rainbows Rainbows are one of nature's most enchanting spectacles, forming beautiful arcs of color in the sky. They occur when ...

"When atmospheric rivers make landfall, they often release this water vapor in the form of rain or snow," the NOAA said. A Pineapple Express is a strong atmospheric river that is capable of ...

When the vapor reaches land, it ascends higher into the atmosphere, cooling enough to form water droplets and coming down as rain or snow in higher elevations. This can create extreme rain and ...