The dramatic rescue of a Texas family of four was captured live on YouTube this week after a storm chaser found them fleeing from a looming tornado. Freddy McKinney was broadcasting his pursuit of the twister that hit the rural community of Hodges—about 13 miles north of Abilene—when he stopped near the site of touchdown,

In the harrowing live video from Freddy McKinney, he yells at the family to "Hurry, get inside!" as they run for their lives, begging him for help.

Storm chasing is equal parts science, adventure and adrenaline. When I worked as a TV meteorologist, nobody cared if my forecast was one or two degrees off. But when it comes to storm chasing, fractions of a degree can mean the difference between sunshine and destructive storms.

Freddy McKinney was chasing a tornado in Hodges on May 2 when he came across the Lambert family, whose home was obliterated by the storm

For some it's sport, for others, it's science: chasing storms. And for everyone who loves the rush, it's the prime time of the year to head into danger.