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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, April 03, 2025 06:59:51

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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
3-4 Aug Weekend Summary and 5-7 Aug Forecast Outlook 3-4 Aug Weekend Summary and 5-7 Aug Forecast Outlook Monday, August 5, 2024 - 14:32
X1.7 and X1.1 Flares Observed on 05 Aug Monday, August 5, 2024 - 14:12
G3 G3 Level Geomagnetic Event Observed Sunday, August 4, 2024 - 15:22
G2 G2 Watch for 03-04 Aug Thursday, August 1, 2024 - 17:29
R1-R2 (Minor-Moderate) Events Still Expected into the Weekend R1-R2 (Minor-Moderate) Events Still Expected into the Weekend (1 - 4 Aug) Thursday, August 1, 2024 - 14:43

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