Page 31 - Fire Behavior News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Av 1 jusw >> have you ever seen a fire move this fast? >> me, no. i really haven't. i've been fighting fire a long time. this kind of fire behavior is unprecedented. >> reporter: that unprecedented behavior is why more than 2800 people are evacuated. here on the fire's front lines, these flames are burning through a layer of three to four inches of these very dry pine needles and branches. when the wind kicks up, it can make this fire unstoppable. clayton sandell, abc news, near georgetown, califrn >> unbeliev a little farther south, the remnants of hurricane odile ravaging the sout torrenti...

They would like to see the technology get out there as quickly as possible. unfortunately predict fire behavior is lengthy process. they say they're still several years out. but the firefighters right now out in the field, they do have models that can predict fire behavior. the models are not nearly as accurate as technology we showed you, eric. eric: hopefully they can learn something. very good demonstration. thank you so much. >> reporter: you bet. patti ann: still ahead, russia apparently not afraid to make some rather powerful enemies on capitol hill, fictional enemies anyway. what the kr...

Front, and, therefore, once it gets going, it could move very, very rapidly. >> they called what they saw the trench effect. but it was merely a theory using untested computer simulations, and it was inconsistent with typical fire behavior. >> if you have a fire burning in the open, on a flat surface, the fire feeds itself with air by drawing it in from the outside. it's created by the dynamics of the flame itself. the buoyant gases rise, creating slight pressure differences, which draw air in at a low level. >> but on an incline, that air flow is restricted on the uphill side. to examine this...

Living things on earth and teams have been assigned just to them. >> i'm from virginia. so the fuel types here are different. this is definitely dry. some pretty extreme fire behavior we are encountering here. >> reporter: more teams are inside the park to protect the area around the massive hetch-hetchy reservoir. we saw firsthand, fire is close to the area that applies 85% of san francisco's water. cause enough for the government there to declare a state of emergency and put public utility crews on alert to monitor the water's quality. >> it is still activity burning as we speak. it has affe...

Beau is expected to be releaseed from the hospital today. he underwent a successful medical procedure at a cancer center in houston. he was hospitalized after becoming weak and disoriented. it's not clear what the proce procedure was. the vice president says she's in great shape. fire crews against a massive wildfire burning near california's yosemite national park. it's scorched 16,000 acres. 700 firefighters are involved. it's 5% contained. thousands of people evacuated. let's get a check of the national weather. this has been such a busy summer for the firefighters. you think every day, w...