When a front moves through or on just a regular day we can see middle tiered clouds here at home. Altocumulus clouds ...

Since altocumulus or cirrocumulus clouds often cover a wide area, several of these holes may appear on the horizon, especially in busy flight paths. The clouds also appear quite visibly on satellite.

Fallstreak holes are circular or elliptical holes in altocumulus or cirrocumulus clouds. These clouds are made up of tiny water droplets at extremely cold temperatures. The water droplets do not ...

Since altocumulus or cirrocumulus clouds often cover a wide area, several of these holes may appear on the horizon, especially in busy flight paths. The clouds also appear quite visibly on satellite.