Latest Mesocyclone Stories
Sea captain's historic report, modern photographs, lead scientists to new conclusions A 200-year-old report by a sea captain and photographs of the 2008 eruption of Mount Chaiten are helping scientists better understand strong volcanic plumes. In a paper published this week in the journal Nature, the scientists show that the spontaneous formation of a "volcanic mesocyclone"--a rotating, column-shaped vortex--causes the volcanic plume to rotate on its axis. The rotation, in turn, triggers a...
- A murmuring sound; a rushing or whistling sound, like that of the wind; a deep sigh.
- A gentle breeze; a waft; a breath.
- Any rumor that engages general attention.
- A cant or whining mode of speaking, especially in preaching or praying; the chant or recitative characteristic of the old Presbyterians in Scotland.
- To make a rushing, whistling, or sighing sound; emit a hollow murmur; murmur or sigh like the wind.
- To breathe in or as in sleep.
- To utter in a whining or monotonous tone.