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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Friday, April 19, 2024 08:56:50

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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 ascending Originally Posted
G2 Warning Auroral Forecast G2 (Moderate) Warning Issued: Valid to 31/1800 UTC Thursday, August 31, 2017 - 06:18
G2 (Moderate) Warning Issued Friday, September 27, 2019 - 20:50
G2 (Moderate) Storming Underway Friday, September 12, 2014 - 18:06
G2 (Moderate) Storm Watch Issued for 28-29 September, 2020 Saturday, September 26, 2020 - 18:29
G2 (Moderate) Storm Watch Issued Tuesday, May 14, 2019 - 18:54

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