A powerful storm system that tore across the United States in recent days is poised to move offshore into the Atlantic Monday, but in its wake are devastated communities across multiple states that were hit with violent tornadoes,

President Donald Trump said in a post on his social media network that his administration is ready to assist affected communities.

The dynamic storm from Friday through Sunday had earned an unusual “high risk” designation from weather forecasters.

A severe storm on Monday swept through the U.S. Southeast and Mid-Atlantic, bringing thunderstorms, hail, damaging winds and the potential for tornadoes. Days earlier, the same ferocious weather system spawned violent twisters,

The weakening but still volatile weather system was moving Monday into the US Southeast and Mid-Atlantic, bringing thunderstorms, hail, damaging winds, and the potential for more tornadoes.