'Like a freight train': Firefighters describe what it's like riding out a wildfire in a fire shelter, their last resort for safety.

One of the most important parts of a firefighter's gear is a 5-pound piece of equipment they hope they never have to use.

On Sept. 27, firefighters battling the Glass Fire in Napa County found themselves in dire circumstances as gusty off-shore winds intensified the blaze, helping the inferno destroy some of wine country's most famous vineyards and bed and breakfasts.