APOD
Astronomy Picture of the Day
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
A Supercell Thunderstorm Cloud Over Montana
Explanation: Is that a spaceship or a cloud? Although it may seem like an alien mothership , it's actually a impressive thunderstorm cloud called a supercell . Such colossal storm systems center on mesocyclones -- rotating updrafts that can span several kilometers and deliver torrential rain and high winds including tornadoes . Jagged sculptured clouds adorn the supercell's edge , while wind swept dust and rain dominate the center. A tree waits patiently in the foreground. The above supercell cloud was photographed in July west of Glasgow , Montana , USA , caused minor damage, and lasted several hours before moving on.
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| Date | May 5, 2013 |
|---|---|
| Credit | Image Credit & Copyright: Sean R. Heavey |
| Authors & editors: | Robert Nemiroff (MTU) & Jerry Bonnell (UMCP) |
| A service of: |
ASD at NASA / GSFC, NASA Science Activation & Michigan Tech. U. |



