Geomagnetic storm could bring Northern Lights to 12 states
A coronal mass ejection from September 28 is expected to reach Earth on October 2, potentially making the aurora visible in several states.

A geomagnetic storm forecast for October 2 could make the Northern Lights visible in up to 12 states. This follows a coronal mass ejection from September 28 that is expected to deliver a glancing blow to Earth.
Forecasts for aurora visibility vary. Some estimates suggest nine states could see the lights, while others predict 11 or 12 states will have visibility on Monday night.
Key facts
- A coronal mass ejection from September 28 is expected to hit Earth on October 2.
- The resulting geomagnetic storm may cause the Northern Lights to appear.
- Visibility estimates range from nine to 12 states.
Three perspectives
Neutral
Observers should monitor space weather updates on October 2. The actual visibility depends on the impact of the geomagnetic storm.
Positive
Residents in several states may have the opportunity to view the aurora on Monday night.
Negative
Forecasts for the number of states that will see the lights remain inconsistent.
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