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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Friday, July 11, 2025 23:50:01

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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 descending Originally Posted
X2.8 X2.8 Flare from Old Region 3664 Monday, May 27, 2024 - 08:10
X5.0 Flare Closes Out the 2023 Year Sunday, December 31, 2023 - 22:20
R3 text X8.2 (R3-Strong) X-Ray Event Observed at 10/1606 UTC. Sunday, September 10, 2017 - 17:59
Yet another R2 flare from NOAA Region 12371 Thursday, June 25, 2015 - 13:46
Yet Another X Flare Observed Thursday, May 9, 2024 - 16:11

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