Oklahoma was hit particularly hard by two massive outbreaks this year in what's been another deadly season of tornadoes in the U.S. Despite technology and forecasting improvements, scientists still have plenty to learn about how and why tornadoes form.
Currently, one of the best ways for researchers to understand how tornadoes form is to chase them. So off they go with mobile science laboratories, rushing toward storms armed with research equipment and weather-sensing probes.
There are now reports that as many as 18 people died from injuries they received Friday when the latest in a weeks-long series of tornado-spawning storms tore through parts of Oklahoma.
Update at 8:50 p.m. ET. Death Toll Revised:
An update from Oklahoma's Department of Emergency Management Monday evening reports that 12 adults and 6 children died in Friday night's storms, NPR Southern Bureau Chief Russell Lewis tells us. Officials say that they haven't identified all of the victims. Our original post continues: