ARE Project Management (PjM) Practice Exam

Question: 1 / 400

An alert is issued by NOAA when a solar storm of greater than what intensity is predicted or observed?

A. K1

B. K3

C. K5

A K5 level on the geomagnetic scale signifies a significant geomagnetic storm, which can have profound effects on various systems. The National Oceanic and Atmospheric Administration (NOAA) issues alerts at this level because it indicates considerable activity that can disrupt satellite communications, navigation systems, and affect power grids on Earth. A K5 rating is considered a threshold where the effects can be felt beyond the immediate vicinity of the polar regions, impacting broader areas and potentially leading to significant disruptions.

The K-index is a scale ranging from K0 to K9 that measures geomagnetic activity. A K5 storm indicates that the geomagnetic disturbances are strong enough to warrant heightened awareness and possible action from those who operate sensitive technologies or rely on satellite-based systems. Therefore, the alert from NOAA serves as a warning to individuals and organizations about potential disruptions and the need to take precautions or prepare for possible impacts.

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D. K7

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