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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, December 10, 2024 17:32:47

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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

News Archive

Previous SWPC news items.

News Archive

sort descending Originally Posted
12 February, 2018 C1 Flare C1 Flare and Associated CME of 12 February, 2018 Monday, February 12, 2018 - 15:15
C4 Flare 20 March C4 Flare on 20 March at 1118 UTC (0718 EDT) Wednesday, March 20, 2019 - 14:35
CANCELLED: Service Interruption - Saturday, February 21st Tuesday, February 17, 2015 - 22:03
CH70 & RGN 2733 CH 70 and RGN 2733 Updates Monday, January 28, 2019 - 19:34
CH HSS Effects 29-31 October, 2023 CH HSS Influences Likely on 29-31 October, 2023 Friday, October 27, 2023 - 13:28

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