United States

• 

  Live: Tornadoes Touch Down From Oklahoma to Iowa

  May 19, 2013; 8:19 PM

  People are missing near Shawnee, Okla., after a tornado ripped east of the town.

• 

  Dallas to Chicago: Severe Storm Outbreak Continues Monday

  May 19, 2013; 9:30 PM

  Severe storms may erupt from Texas to Wisconsin on Monday as the storm system that spawned several tornadoes across the Plains on Saturday and Sunday shifts slowly to the east.

• 

  Photos: Massive Tornadoes Lash the Plains

  May 19, 2013; 9:21 PM

  Several tornadoes touched down from Oklahoma to Iowa, including near Wichita, Kan., and Oklahoma City, on Sunday.

• 

  Another Cool and Unsettled Week for Western Europe

  May 19, 2013; 9:11 PM

  A slow-moving storm resulted in a week of below-normal temperatures that will likely continue into the week.

• 

  Live: Tornadoes Touch Down From Oklahoma to Iowa

  May 19, 2013; 9:06 PM

  Several tornado reports have come out of the Midwest this evening, impacting areas around Wichita and Oklahoma City.

• 

  Renewed River Flood Threat for Northern Plains

  May 19, 2013; 8:55 PM

  Heavy rain returning to the northern Plains will generate a renewed flood threat for the Red River.

• 

  Local Radar: Tracking the Severe Storm Outbreak

  May 19, 2013; 8:42 PM

  Keep up to date on the severe thunderstorm outbreak unfolding across the Plains by tracking local radars.

• 

  Mount Saint Helens 'Reloading' For Future Eruption

  May 19, 2013; 8:31 PM

  Mount Saint Helens has erupted several times since the destructive 1980 eruption, and likely will again in the future.

• 

  Smoke Reducing Visibilities Texas to Louisiana

  May 19, 2013; 8:20 PM

  Smoke from fires in the Yucatan Peninsula will affect parts of Texas and Louisiana over the weekend.

• 

  Science and Psychology: Why People Ignore Tornado Warnings

  May 19, 2013; 2:54 PM

  Despite advancements in tornado warning systems, 60 people die each year from tornadoes. This raises the question: why do people ignore tornado warnings?

• 

  Slow Landslide Threatens 13 California Homes

  May 19, 2013; 4:21 AM

  Seven homes have been red tagged, meaning do not occupy, and six others are under a voluntary evacuation order.