Space Weather Prediction Center

National Oceanic and Atmospheric Administration

G1-Minor storm conditions observed

Ovation Auroral oval forecast
G1-Minor storm conditions observed
published: Friday, November 20, 2015 04:35 UTC UTC

G1 - Minor geomagnetic storm conditions were observed on 18 November as the anticipated coronal mass ejection (CME) from 16 November impacted the Earth's magnetosphere.  G1 - Minor conditions are expected to last into the early hours of 19 November (UTC), with a chance for G2 - Moderate levels very early in the period.  Appropriate Warnings and Alerts will be issued if conditions increase above the G-1 levels.

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