Atmospheric rivers are a narrow, fast-moving band of moisture and wind — like rivers in the sky — that transport large ...

The potential for heavy rain prompted NOAA’s Weather Prediction Center to issue a Level 1 out of 4 flash flood threat from ...

Widespread soaking rain and cold temperatures for mid-April are impacting the Northeast courtesy of a low-pressure system off ...

After unleashing dozens of destructive tornadoes, a slow-moving storm system dumped heavy rain across the U.S. Midwest and ...

An unabated wave of severe storms is continuing its onslaught on states like Mississippi, Tennessee, Kentucky, Arkansas, ...

A storm making its way to the East Coast will deliver significant rain, with widespread precipitation of 2 inches expected, ...

The extreme flooding across parts of the South and Midwest was caused by a stalled storm system that hovered over the same ...

Meteorologists are monitoring the formation of a storm that will deliver significant rain and possible snow in higher ...

Atmospheric instability has two components: rising air and wind shear, which is created as wind speed changes with height.

With rising temperatures, the atmosphere can hold more moisture, meaning precipitation has a tendency to fall at more extreme ...

Floodwaters washed across communities in Kentucky and Ohio on April 6 and 7 after the area was hit with several days of heavy ...

In Louisville and around Kentucky, the rain is gone, but the water isn't. City officials expect the Ohio River to crest soon.