This time of the year around our area, which is southeastern Minnesota, it's zero visibility.

NPR: River Poses Hazard for Dive Teams

The weather service warned that whiteout conditions are likely with near-zero visibility because of blowing, drifting snow.

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Authorities from various agencies converged on the scene, their task of finding the two people complicated by zero visibility in the cold, fast-moving, debris-filled waters.

CNN: March 16, 2013 -- Updated 0041 GMT (0841 HKT)

We have individuals who when it's zero visibility like that, they will actually close their eyes because the eyes do nothing underwater when you can't see anyway.

NPR: River Poses Hazard for Dive Teams

"It was zero visibility after 100 meters, " he said.

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The specially outfitted Boeing 757 barely shuddered as it gingerly skirted some of the most ferocious storm cells over Fort Walton Beach and then climbed above the rest in zero visibility.

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It was zero visibility there too.

NPR: River Poses Hazard for Dive Teams

Police in Surrey have been told to prioritise victims, increase visibility and take a zero-tolerance approach.

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More than 30 flights were either cancelled or diverted on Wednesday while the previous day more than 100 flights were affected as visibility fell to near-zero levels, officials said.

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