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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, April 18, 2024 13:45:04

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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
no data
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
no data
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 Conditions Observed

Ovation Model Showing Potential Aurora Borealis Viewing Locations
G1 (Minor) Geomagnetic Storm Conditions Observed
published: Monday, April 10, 2017 05:59 UTC

G1 (Minor) geomagnetic storm conditions were met at 09/0458 UTC (09/00:58 ET) due to the sustained southward Bz component of the interplanetary magnetic field (IMF). G1 (Minor) warning conditions are valid from 09/0130 to 09/1200 UTC. Stay tuned for updates as forecasters continue to monitor the solar wind environment.