Atmospheric rivers are more typical in the West, but this one may bring flooding rainfall and severe storms to the Southeast, Florida and southern Appalachia.

JACKSONVILLE, Fla. – An atmospheric river event is bringing the heaviest rainfall Florida has seen since winter, with widespread downpours expected to continue over the next several days.

Mother’s Day weekend will be plagued with showers and potential thunderstorms, according the National Weather Service.

A storm stretching 1,000 miles along the Eastern Seaboard will bring the western Carolinas some of their heaviest rain since the remnants of Hurricane Helene.

The National Oceanic and Atmospheric Administration says an "atmospheric river" event is set to hit Florida and other parts of the Southeast. The weather event typically occurs in the West.

They are what's known in the weather world as "atmospheric rivers." And they can dump a vast quantity of water on a given area, leading to natural disasters like flooding and mudslides. According to the Weather Channel, the Bay State is in for several rainy days this week, possibly into next week.