Monday is probably the peak, but a storm risk shifts eastward Tuesday. Cities in the highest risk for tornadoes include ...

The most widespread risk is once again in the southern Plains, where atmospheric conditions have the potential to develop ...

The most widespread risk is once again in the southern Plains, where atmospheric conditions have the potential to develop into a squall line ... parked over the Red River Valley.

And it will kink the jet stream, a river of winds in the upper atmosphere, so that strong winds blow over ... or quasi-linear convective system — in essence an arcing squall line of thunderstorms with ...

The National Oceanic and Atmospheric Administration says an "atmospheric river" event is set to hit Florida and other parts ...

An exceptionally powerful atmospheric river fueled the deadly early April flooding disaster in the central and southern United States — a historic flood event and a poignant example of how the ...