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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, April 25, 2024 10:56:43

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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
Aurora visibility information chart G2 (Moderate) watch issued for 17, 18, and 19 May Saturday, May 13, 2017 - 20:05
G2 Conditions Return Wednesday, September 9, 2015 - 05:23
G2 Moderate Storm levels Reached. Aurora forecast and Real Time Solar Wind plot. G2 Moderate Storm levels reached Friday, June 16, 2023 - 16:37
G2 Moderate Storm levels Reached. Aurora forecast plot. G2 Moderate Storm levels reached Tuesday, September 12, 2023 - 18:21
G2 Moderate Storm levels Reached. Aurora forecast plot. G2 Moderate Storm levels reached Sunday, March 3, 2024 - 21:01

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