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National Oceanic and Atmospheric Administration

Tuesday, March 18, 2025 17:42:28 UTC

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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

Short Term Aurora Forecast

Short Term Aurora Forecast
Short Term Aurora Forecast
published: Monday, August 22, 2022 20:53 UTC

Using measurements of the solar wind just upstream of Earth, the Aurora 30-minute Forecast provides the likelihood of aurora overhead for the next 30 minutes. This animation also shows last 24 hours of estimated auroral activity.