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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, April 22, 2025 03:24:38

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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
G1 Watch 5-6 Aug, 2019 G1 Watch for 5 & 6 August, 2019 Monday, August 5, 2019 - 14:38
CH Analysis on 29 July, 2019 Coronal Hole Activity on 31 July-1 Aug, 2019 Monday, July 29, 2019 - 16:39
WSA-Enlil v2.0 now operational Thursday, June 13, 2019 - 19:53
NWS Summery 2019 Safety Campaign NWS Summer 2019 Safety Campaign Tuesday, June 11, 2019 - 04:01
G2 (Moderate) Storm Watch Issued Tuesday, May 14, 2019 - 18:54

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