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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, April 25, 2024 08:03:37

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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
G1 Watch for 22 and 23 October with SDO image G1 Watch for 22 and 23 October UTC Days Thursday, October 20, 2016 - 19:33
G1 Watch for 26 February, 2018 G1 Watch for 26 February, 2018 Monday, February 12, 2018 - 21:14
G1 Watch for 29 Nov G1 Watch for 29 Nov 2017 Wednesday, May 17, 2017 - 18:18
G1 Watch for 4-5 Jan due to CH HSS G1 WATCH for 4 and 5 January, 2017 Monday, January 2, 2017 - 19:59
G1 Watch 5-6 Aug, 2019 G1 Watch for 5 & 6 August, 2019 Monday, August 5, 2019 - 14:38

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