To forecast a warm front, begin by identifying thin cirrus clouds, which will gradually thicken and lower into cirrostratus ...

I think it was at the beginning of September when I looked out of our office window and saw the sky covered with scaly cirrocumulus clouds---a harbinger of autumn. The small size of the clouds was ...

One day, the sky definitely looks like autumn with “iwashigumo” (small, fleecy cirrocumulus clouds). Then, the towering “nyudogumo” (cumulonimbus thunder clouds) of the summer return the ...