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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Monday, April 29, 2024 10:41:13

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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
R2 (Moderate) Radio Blackout Observed Tuesday, February 28, 2023 - 18:31
EUV image of a solar flare R2 (Moderate) Radio Blackout on 30 Mar Saturday, March 30, 2024 - 22:11
D-region absorption prediction during 02/2033 UTC R2 event R2 (Moderate) Radio Blackouts Observed - 02 April 2017 Sunday, April 2, 2017 - 21:26
D-region plot R2 Flare from Region 2222 Thursday, December 4, 2014 - 19:40
R2 Radio Blackout Event 3 April R2 Radio Blackout at 1429 UTC, 3 April 2017 Monday, April 3, 2017 - 17:50

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