More than 50 million face the threat of severe storms. This includes the likelihood of very strong tornadoes, large hail and damaging winds as a level 4 out of 5 severe threat is issued.

An EF2 tornado has left a town in North Texas in shambles and survivors are describing what they went through. Entire homes were lifted off their foundations in Runaway Bay as the twister hit Saturday night. At least 20 families have been displaced and one person died there. And it wasn’t the only life lost in the region.

Teams from the National Weather Service will be spread out across southeast Kansas after multiple tornadoes were reported in the region late Sunday night. They’ll be taking a close look at the damage in Oswego, where trees were torn down onto homes, at least one building was ripped apart and a freight train was flipped on its side. Watch the dramatic video.

A guy from Germany spent eight months planning his proposal to his girlfriend at California’s Yosemite National Park. What he didn’t plan on was severe storms moving into Yosemite Valley as he got down on one knee. But nature rewards the bold, and the couple ended up with a once-in-a-lifetime photo, as lightning hit El Capitan summit above them. See it for yourself and hear from the photographer who captured the incredible moment.

One of the two super outbreaks of tornadoes in modern U.S. history happened 15 years ago. Here is what we found truly incredible about this event, along with some personal recollections.