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National Oceanic and Atmospheric Administration

Saturday, April 27, 2024 07:47:22

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NOAA Scales mini

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Space Weather Conditions
on NOAA Scales
24-Hour Observed Maximums
R
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G
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Latest Observed
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R1-R2 --
R3-R5 --
S1 or greater --
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R1-R2 --
R3-R5 --
S1 or greater --
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R1-R2 --
R3-R5 --
S1 or greater --
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Current Space Weather Conditions
on NOAA Scales
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

CH HSS Influences Likely on 29-31 October, 2023

CH HSS Effects 29-31 October, 2023
CH HSS Influences Likely on 29-31 October, 2023
published: Monday, October 30, 2023 19:05 UTC

CH HSS influences to increase geomagnetic responses 29-31 October, 2023. GOES-16 SUVI / 284A and 195A imagery from 27 Oct at 1230 UTC reveal the CH features - seen as the darker areas near the center of the solar disk. Learn more about GOES satellite imagery at https://www.swpc.noaa.gov/products/goes-solar-ultraviolet-imager-suvi and about CH HSS at https://www.swpc.noaa.gov/phenomena/coronal-holes  Also, continue to visit our webpage for the latest information and forecasts.