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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.
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G1 (Minor) Watch Issued for 30 April, 2016

G1 Watch Auroral Extent
G1 (Minor) Watch Issued for 30 April, 2016
published: Sunday, May 01, 2016 16:27 UTC

A G1 (Minor) geomagnetic storm watch has been issued for the 30 April, 2016 UTC day. Isolated periods of minor storming levels are likely due to the anticipated effects from an enhanced solar wind environment due to a negative polarity coronal hole high speed stream rotating into an Earth-connected position. Continue to monitor our SWPC website for updated information and forecasts.