Whiteout (noun)

1. A condition of zero visibility caused by a blizzard or heavy snowfall.
2. A condition in which the sky and the ground are obscured by a uniform white light, making it difficult to see.

Origin:

Early 20th century: from white + -out.

Examples:

1. The driver had to pull over due to the whiteout conditions.
2. The whiteout was caused by a blizzard that had been raging for hours.
3. The whiteout made it difficult for the hikers to navigate the mountain trail.
4. The skier had to stop because of the whiteout, he couldn't see where he was going.
5. The whiteout was a dangerous condition and people were advised to stay indoors.