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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, July 29, 2025 03:45:19

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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

Originally Posted
R1 Event 20 Feb, 2023 M4 Flare (R1-Minor) Event on 20 February, 2023 Monday, February 20, 2023 - 16:29
Geomagnetic Storm Watches 16-18 Feb, 2023 G1-G2 Geomagnetic Storm Watches issued for 16-17-18 Feb 2023 Wednesday, February 15, 2023 - 20:41
G1 Minor storm level explanation. Aurora ovation forecast model image. G1 Minor Storm levels reached Wednesday, February 15, 2023 - 19:12
13-15 Feb 2023 Flare Forecast M-class Flares (R1-R2; Minor-Moderate) Events Remain Likely 13-15 Feb Monday, February 13, 2023 - 22:25
R3 Event 11 Feb, 2023 The return of the X-flares Saturday, February 11, 2023 - 17:09

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