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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, April 24, 2024 04:45:27

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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

R3 Radio Blackout 7:57 p.m. EDT January 5, 2023

GOES SUVI imagery of X-flare and D-RAP model output
R3 Radio Blackout 7:57 p.m. EDT January 5, 2023
published: Wednesday, January 11, 2023 03:17 UTC

An impulsive R3 (X1.2) event was observed at 7:57 p.m. on January 5, 2023 from a region on the east limb (left side) of the Sun.  No eruption was observed from this event and the primary impact was on high frequency communications on the sunlit side of the Earth.