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National Oceanic and Atmospheric Administration

Sunday, April 28, 2024 05:32:23

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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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no data
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

G3 (Strong) Geomagnetic Storm Conditions Now Expected for 05 Nov

G3 (Strong) Geomagnetic Storm Conditions Now Expected for 05 Nov
published: Tuesday, November 07, 2023 14:45 UTC

The solar wind environment first became enhanced at ~04/1100 UTC with the apparent arrival of a CME, believed to be from 31 Oct. An additional, stronger enhancement was observed beginning at ~05/0810 UTC, and may have been the result of influence from a CME that left the Sun on 02 Nov. A G3 (Strong) geomagnetic storm warning is now in effect from 05 Nov at 1635 UTC to 05 Nov at 2359 UTC. Alerts, Watches and Warnings | NOAA / NWS Space Weather Prediction Center