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The Mothership over Boulder.

The Mothership over Boulder.

Sunrise, Rockies. After the snow.

Sunrise, Rockies. After the snow.

Moonset at sunrise over Boulder, Colo. Waning gibbous moon 88% illuminated.

Moonset at sunrise over Boulder, Colo. Waning gibbous moon 88% illuminated.

Purple sunrise, Colorado.

Purple sunrise, Colorado.

"Wall" of sunrise orange over The Rockies. #LafayetteCO #COwx

"Wall" of sunrise orange over The Rockies. #LafayetteCO #COwx

Large “lennie” (lenticular cloud) over Boulder, Colo. It speaks of wind ahead. Gusts to 70-80 mph.

Large “lennie” (lenticular cloud) over Boulder, Colo. It speaks of wind ahead. Gusts to 70-80 mph.

Twilight, Colorado.

Twilight, Colorado.

Hello, Boulder. Over The Rockies. Heading west.

Hello, Boulder. Over The Rockies. Heading west.

Mountain-wave clouds over Boulder, Colo. Weather change ahead.

Mountain-wave clouds over Boulder, Colo. Weather change ahead.

Quiet, orange sunset.

Quiet, orange sunset.

Nice cloud texture. Sun setting ahead of a snowstorm.

Nice cloud texture. Sun setting ahead of a snowstorm.

Sunset glow over Boulder.

Sunset glow over Boulder.

Boulder Foothills. Saturday morning over The Rockies.

Boulder Foothills. Saturday morning over The Rockies.

Lenticular cloud like a giant tongue over Boulder, Colorado.

Lenticular cloud like a giant tongue over Boulder, Colorado.

Altocumulus standing lenticular clouds. Sunrise, Boulder, Colo.

Altocumulus standing lenticular clouds. Sunrise, Boulder, Colo.