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NOAA Scales mini

R1 (Minor) Radio Blackout Impacts
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HF Radio: Weak or minor degradation of HF radio communication on sunlit side, occasional loss of radio contact.
Navigation: Low-frequency navigation signals degraded for brief intervals.
More about the NOAA Space Weather Scales

G2 (Moderate) Geomagnetic Storm Conditions Observed

G2 (Moderate) Geomagnetic Storm Conditions Observed
published: Sunday, September 04, 2016 12:36 UTC

A G2 (Moderate) Geomagnetic Storm Alert was issued at 03/0559 UTC (03 Sep 2016 at 1:59 am ET). The G2 Geomagnetic Storm Warning is valid until 03/0900 UTC (03 Sep at 5:00 am ET)  due to continued effects from a coronal hole high speed stream. Stay tuned here for updates.