At least 24 people died and dozens more were injured in the storms across the state earlier this week. On Friday, the president visited some of the hardest-hit areas with a message of hope.
State officials say the overnight twisters damaged buildings and roads across multiple counties. Thousands are without power, and a state of emergency remains in effect.
The massive tornado skirted the metropolitan area but struck several towns to the west of Kansas City, Kan., leaving damaged houses "for a mile in every direction."
One social scientist says it's how people interpret these warnings that matters and that "we need to get out there and do a better job of understanding their perspective."
The Port Orchard twister was extremely rare, especially for December, says the National Weather Service. No serious injuries were reported, but homes and other buildings were affected by the storm.
People are taking stock of the damage after heavy rain, flooding and tornadoes swept through over the weekend. The American Red Cross is calling it the deadliest start to tornado season in nine years.
Tornadoes injured dozens of people as they moved through southeastern Louisiana on Tuesday. In New Orleans East, the National Guard was helping clear streets of debris and downed electrical wires.
The National Weather Service says multiple tornadoes touched down in southern Louisiana on Tuesday, and severe weather moving east threatened other Southern states.
Severe storms put a damper on holiday preparations across parts of the South and Midwest on Wednesday. Travel was treacherous as the storms produced heavy rains, flooding and tornadoes.
The first tropical storm of the Atlantic season arrives early, as Texas, Oklahoma and other states hope to avoid a repeat of devastating tornadoes that hit earlier this week.
Researchers at Purdue are using software to mine tweets for data that can help warn that a dangerous storm is approaching. But the data may not always be reliable and analyzing it can be tricky.
The tornado was so massive and the damage so extensive that in some areas, plows had to push debris off the streets so emergency crews could reach survivors.
Firefighters are blaming an employee's error for a flash fire that injured 13 people during a Nevada science museum's demonstration about tornadoes....
Authorities say a demonstration about the science of tornadoes went awry at a Nevada museum, leaving several people with minor burns or smoke inhalation...
