It happens nearly every year. A severe hurricane is approaching, state evacuation orders are issued, and despite repeated warnings, many gamble with their personal safety and choose to stay behind. Ahead of this year's Atlantic hurricane season, safety experts with the National Fire Protection Association (NFPA) are advising residents in coastal communities about key signs that it may be time to evacuate to avoid the path of a hurricane. The slideshow above highlights 6 key things to look for before a hurricane evacuation.