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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, November 23, 2024 12:33:17

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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

R2 (Moderate) Radio Blackout on 30 Mar

EUV image of a solar flare
R2 (Moderate) Radio Blackout on 30 Mar
published: Monday, April 01, 2024 13:04 UTC

An R2 (Moderate) Radio Blackout was produced at 30/2116 UTC (30/1716 EDT) from Region 3615 as it rotated around the Sun's west limb.