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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, November 15, 2025 14:20:15

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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 ascending Originally Posted
Two CME events on 16 December may be Earth-directed Two Possible Earth-directed CME events on 16 December Wednesday, December 16, 2015 - 22:55
Two Flares; Effects on Cellular Networks Unlikely Two Major Solar Flares; Effects on Cellular Networks Unlikely Thursday, February 22, 2024 - 17:23
USA Jobs Website logo Two Job Vacancies now open at SWPC! Thursday, November 16, 2023 - 14:54
Tutorial on electric power grid impacts Tuesday, March 17, 2015 - 15:04
Tutorial on electric power grid impacts Tuesday, March 17, 2015 - 15:04

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