Whiteout (weather) moving. Local, short-duration whiteout conditions can be created artificially in the vicinity of airports and helipads due to aircraft operations. Snow on the ground can be stirred up by helicopter rotor down-wash or airplane jet blast, presenting hazards to both aircraft and bystanders on the ground. Whiteout (weather) Whiteout is a weather condition in which visibility and contrast are severely reduced by snow or sand. The horizon disappears from view while the sky and landscape appear featureless, leaving no points of visual reference by which to navigate. Whiteout has been defined as: "A condition of diffuse light when no shadows
Culture of fear that perceptions of risk, ideas about safety and controversies over health, the environment and technology have little to do with science or empirical evidence. Rather, they are shaped by cultural assumptions about human vulnerability. Furedi say that "we need a grown-up discussion about our post-September 11 world, based on a reasoned evaluation of all the available evidence rather than on irrational fears for the future. British academics Gabe Mythen and Sandra Walklate argue that following terrorist attacks in New York, the Pentagon, Madrid, and London, government agencies developed a discourse of "new terrorism" in a cultural climate of fear and