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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, May 01, 2024 08:30:09

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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
X2.2/2b Flare (R3 - Strong Radio Blackout) on 17 February 2023 Wednesday, March 30, 2022 - 18:31
X2.5 Flare from Region 3576 Friday, February 16, 2024 - 07:48
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

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