Credit: Jim Reed/Getty Images

Former Storm Chasers star Tim Samaras and colleague Carl Young, along with Tim’s son Paul, were killed Friday while following a tornado in Oklahoma.

Discovery, which aired Storm Chasers for five seasons, will dedicate tonight’s special “Mile Wide Tornado: Oklahoma Disaster” to the trio’s memory. The cable net released this statement: “We are deeply saddened by the loss of Tim Samaras his son Paul and their colleague Carl Young. Our thoughts and prayers go out to their families.”

National Geographic also had this to say about the trio: “We were shocked and deeply saddened by the news that longtime National Geographic grantee Tim Samaras was killed in a tornado in Oklahoma on Friday, along with Tim’s son Paul and their colleague Carl Young. Tim was a courageous and brilliant scientist who fearlessly pursued tornadoes and lightning in the field in an effort to better understand these phenomena.

“The National Geographic Society made 18 grants to Tim for research over the years for field work like he was doing in Oklahoma at the time of his death, and he was one of our 2005 Emerging Explorers,” the statement continued. “Tim’s research included creation of a special probe he would place in the path of a twister to measure data from inside the tornado; his pioneering work on lightning was featured in the August 2012 issue of National Geographic magazine. Though we sometimes take it for granted, Tim’s death is a stark reminder of the risks encountered regularly by the men and women who work for us. This is an enormous loss for his family, his wide circle of friends and colleagues and National Geographic.”

Samaras founded TWISTEX, the Tactical Weather Instrumented Sampling in Tornadoes Experiment, to learn more about tornadoes and increase time for warnings.