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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, April 20, 2024 14:02:25

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NOAA Scales mini

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Space Weather Conditions
on NOAA Scales
24-Hour Observed Maximums
R
no data
S
no data
G
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Latest Observed
R
no data
S
no data
G
no data
R1-R2 --
R3-R5 --
S1 or greater --
G
no data
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
S
no data
G
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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-Minor Geomagnetic Storm levels reached

G1 Alert, Auroral Forecast charts for Northern and Southern Hemisphere
G1-Minor Geomagnetic Storm levels reached
published: Thursday, June 16, 2022 13:19 UTC

G1-Minor Geomagnetic Storm conditions were observed at 15/1459 UTC (1059 EDT) following the anticipated arrival of the CME associated with the M3 flare from 13 Jun. A list of potential impacts can be found on our NOAA Scales page. Stay tuned to https://www.swpc.noaa.gov/ for updated forecasts, watches, warnings, and alerts. To subscribe to our (FREE!) Product Subscription Service and have our Alerts, Watches, and Warnings emailed to you directly, go to our registration page to sign up for an account.