>> glor: and good evening. i'm jeff glor in miami. anthony mason is in new york. and tonight, it's a race to outrun irma, the most powerful hurricane ever recorded in the atlantic. the fury of this category 5 storm was seen in the caribbean where at least ten people were killed when irma tore through there. here in florida, more than a million live in mandatory evacuation zones, and folks along the georgia coast have also been ordered to leave. >> mason: tonight, irma should pass over turks and caicos on its way to florida by sunday morning. sustained winds are 175 miles an hour. video from the space station shows irma's size. hurricane-force winds extend 70 miles from its center. we want to check in with lonnie quinn, chief weathercaster at our new york station wcbs. lonnie, the forecast is changing. >> it is. the new information pushes things a little bit more to the