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National Oceanic and Atmospheric Administration

Tuesday, November 30, 2021 12:11:23

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NOAA Scales mini

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Space Weather Conditions
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
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

X1 Flare (R3 Radio Blackout) Event on 28 October, 2021

R3 Event on 28 October, 2021
X1 Flare (R3 Radio Blackout) Event on 28 October, 2021
published: Monday, November 01, 2021 00:18 UTC

An R3 (Strong radio blackout) event took place due to an X1 flare at 1535 UTC (11:35 am EDT) on 28 October from Region 2887. The impulsive flare appeared to have coronal mass ejection (CME) related signatures, however, analysis is ongoing and we are also awaiting updated coronagraph imagery at this time. Please continue following our website for the latest forecast information and updates.