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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Monday, April 15, 2024 19:30:10

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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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S
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G
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Latest Observed
R
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S
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G
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R1-R2 --
R3-R5 --
S1 or greater --
G
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R1-R2 --
R3-R5 --
S1 or greater --
G
no data
R1-R2 --
R3-R5 --
S1 or greater --
G
no data
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R
no data
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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

G1-G3 (Minor-Strong) Geomagnetic Storm Conditions Continue

G3 Warning Continues 4 Nov
G1-G3 (Minor-Strong) Geomagnetic Storm Conditions Continue
published: Friday, November 05, 2021 01:56 UTC

CME passage continues and geomagnetic storm levels at or above G1 (Minor) storm levels are expected to persist into the 04 November, 2021, UTC-day. Current warnings include: G1-G2 (Minor-Moderate) storm levels through 04/1500 UTC (4 Nov/11:00am EDT) and a G3 (Strong) storm until 04/0900 UTC (4 Nov/05:00am EDT). G1 storm levels continue to be met and solar wind conditions remain elevated and enhanced, maintaining the potential for additional periods of G2-G3 level storms. Continue to visit our webpage at https://www.swpc.noaa.gov for the latest information, forecasts, and updates.