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.
After a tornado hits, emergency crews looking for survivors in storm shelters face a problem: Streets and landmarks are suddenly unrecognizable. One Moore, Okla., firefighter developed an app to help.