Alternate Definitions for Corotating Interaction Region

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Term: Corotating Interaction Region

Corotating interaction regions are zones of enhanced solar wind plasma density and interplanetary magnetic field that result from a region of slow solar wind (ahead) being compressed by fast solar wind behind it. In Earth's reference frame these enhanced regions sweep by, often creating small to moderate geomagnetic disturbances for a few to tens of hours.

Created 2023.04.16
Last Modified 2023.04.16
Contributed by Ryan McGranaghan