HONOLULU (KHON2) – A jet stream along the eastern flank of this system will bring cirrus clouds over much of the state, particularly the western half into Monday. At the surface, a weak high is ...

Once you understand how certain clouds develop their shapes, you can learn to forecast the weather. Clouds that look like cartoon cotton ... for ice clouds, or cirrus, to form.

As Snopes reported in 2006, a circumhorizontal arc occurs when sunlight "passes through diaphanous, high-altitude cirrus clouds made up of hexagonal plate crystals." That article added ...