Often, these are fair-weather clouds that form when the sun warms the ground and the warm air rises. You’ll often see them on ...

The most critical input parameter is the NWP humidity field. The results compare favourably with observations and support interpretations of insitu, satellite and lidar observed aviation impact on ...

When the edges of these clouds look especially crisp, it’s a sign that heavy rain or snow may be imminent. Wispy cirrus are ice clouds When cumulonimbus clouds grow high enough into the ...

Melanie Bonnell caught these high-level cirrus clouds in Sydney, N.S., at sunset. While not quite the same, a unique type of ...

If you get up with the roosters, you may have recently seen a rare sight in the sky for the Central Virginia area: a sun pillar.