Scattered twisters and storm damage led to the deaths of at least 13 people in Missouri, including a 30-year-old man who along with his dog was found dead from carbon monoxide poisoning after he was using a generator indoors during the storm, authorities said. In Arkansas, officials confirmed three deaths.

Residents and work crews in the South and Midwest are beginning to clean up and survey the destruction from a series of storms that kicked up wildfires, tornadoes and dust storms

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,

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

Meanwhile, the severe weather threat will linger through Sunday from Florida northward into the upper Ohio River Valley, forecasters warned.

At least three people were confirmed dead in Alabama after a wave of severe storms spawned tornadoes across the state throughout Saturday evening, causing power outages, downed trees and destroyed structures.

At least seven tornadoes hit Alabama on Saturday, and that number will likely climb even higher later today. The National Weather Service plans to continue looking at storm damage and has several areas that will be visited by storm survey teams today (Monday).

The National Weather Service has survey teams out across Alabama on Sunday surveying damage after many tornadoes are reported to have touched down around the state.