is creating its own weather. it is among the latest scenes more tdestructive wildfires are the new normal. dan simons reports. reporter: the bootleg fire has scorched more than 600 square miles. this is the fourth largest fire to burn in oregon since 1900. reporter: it is so massive and so dangerous that fire crews have had to escape the fire nine days in a row. we saw multiple pyrocumulous clouds. reporter: and it is creating either own weather. the formation enables the fire to create its own thunderstorms which can produce lightning, strong winds and even fire tornadoes. we just continue to see day after day after day of conditions that are not in our favor. reporter: in a typical wildfire, the weather will dictate the path and intensity, but with the bootleg, experts say the fire is predicting what the weather will do.