Clouds resembling rippling ocean waves rolled into the skies around Boston on Tuesday, captivating curious onlookers and delighting meteorologists. Asperitas clouds, the rare formations seen in ...

Did you see them? A dynamic atmosphere brought to light rare cloud structures painted across the Boston region Tuesday afternoon and it was certainly a sight for sore eyes. These unusual cloud ...

Of particular interest in the newly updated atlas is an all new classification of cloud called “asperitas.” Asperitas clouds are those eye-catching, lumpy blanket type clouds that appear both ...