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Why Hurricane Milton Turned the Sky Purple


The strange, apocalyptic skies during the storm reveal how light behaves in the atmosphere when it’s filled with an unusual amount of water vapor, dust, and debris.

Just before Hurricane Milton slammed into Florida as a Category 3 storm on Wednesday, many people reported that the sky above them turned a sinister purple hue. Within this range, our eyes interpret different wavelengths as different colors: red, orange, yellow, green, blue, indigo, and violet, in order from longest to shortest. The rosy hues of evening or dawn are superimposed on the scattered blue and violet light, creating a purple blend.

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