41.   Visibility will be reduced below one-quarter mile in snow and blowing snow.

42.   Weather conditions may also have reduced visibility.

43.   Worn wiper blades can reduce visibility by insufficiently clearing off rain and snow.

44.   Police said it was raining at the time of the crash and that light rain, low cloud and dense fog reduced visibility.

45.   A gusty snow storm over the Pacific Northwest pushed inland Friday, reducing visibility to a mile or less in some areas.

46.   A light snowfall reduced visibility in the hours before the race.

47.   A massive sandstorm enveloped much of Egypt on Friday, reducing visibility to zero in many places.

48.   A morning snowstorm had reduced visibility and Garn said it was possible the men became disoriented and drove into an unsafe area.

49.   A massive dust storm enveloped Cairo and other parts of Egypt on Friday, reducing visibility to zero in many places.

50.   A massive dust storm enveloped Cairo and other parts of Egypt with a cloud of dust on Friday, reducing visibility to zero in many places.