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417 words used in the labs.

Find a term from the labs, understand the process behind it, and see how it appears in the landscape. Each entry connects an explanation with a real observation and a model you can explore.

Midlatitude cyclone

Also written: Depression / extra-tropical cyclone

An extratropical low-pressure system that develops from contrasts in temperature and is commonly associated with warm and cold fronts.

What to look for

MODIS observed this extratropical cyclone northeast of Japan on 22 February 2012. Cloud bands trace the low-pressure circulation.

A broad spiral of white clouds over the Pacific northeast of Japan.
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Explore further with USGS water glossary · USGS volcano glossary · NPS glacial geology · NASA Earth facts. Photograph acknowledgements are collected on the Image credits page.