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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, April 03, 2025 14:45:34

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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

Originally Posted
Region 2205 continues to produce M-class flares (R-1, Minor radio blackouts) Friday, November 7, 2014 - 06:47
Another R2-Moderate event from Region 2205 Wednesday, November 5, 2014 - 13:03
NOAA's 2015 SBIR Solicitation is Now Open NOAA's 2015 SBIR Solicitation is Now Open Tuesday, November 4, 2014 - 15:59
12192 Departing - Solar Activity in Decline Thursday, October 30, 2014 - 14:21
Solar image with sunspots annotated Almost Out of View - Still a Threat Wednesday, October 29, 2014 - 16:05

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