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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Monday, December 08, 2025 04:49:24

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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.

DAP - temp Head Section

News Archive

sort descending Originally Posted
Strongest Solar Flare of Solar Cycle 25 Strongest Solar Flare of Solar Cycle 25 Friday, December 15, 2023 - 00:30
GOES-R Satellite Successful Launch of GOES-R! Friday, November 18, 2016 - 14:32
Changes to Sunspot Group 3590 Sunspot Region 3590 Evolution from February 19-27th Tuesday, February 27, 2024 - 16:39
Sunspot Region Produces X2.8 Flare, Largest Since Sep 10, 2017 Thursday, December 14, 2023 - 19:13
Sunspots and Solar Cycles Thursday, April 26, 2018 - 19:17

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