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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, November 15, 2025 14:40:51

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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 Postedsort ascending
Tutorial on electric power grid impacts Tuesday, March 17, 2015 - 15:04
Tutorial on electric power grid impacts Tuesday, March 17, 2015 - 15:04
ACE Spacecraft Solar Wind Measurements showing arrival of shock. G3 (Strong) or Greater Geomagnetic storms expected Tuesday, March 17, 2015 - 06:39
DSCOVR - Update on its journey to L1 Monday, March 16, 2015 - 17:45
enlil output G1 (minor) Geomagnetic Storm Watch for 18 March Monday, March 16, 2015 - 15:32

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