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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, July 08, 2025 05:51:39

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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
Notice of Potential Service Disruption at SWPC Notice of Potential Service Disruption at SWPC Wednesday, January 6, 2021 - 19:23
Geoelectric Field Model Response to SI 10 Dec, 2020 Geoelectric Field Model Responses to Sudden Impulse on 10 Dec, 2020 Tuesday, December 15, 2020 - 17:07
10 Dec, 2020, CME Shock Arrival Update - Downgrade for CME Peak Activity Forecast Thursday, December 10, 2020 - 08:23
Earth-directed CME as viewed at 21 Apr 1848 UTC by the LASCO Coronagraph aboard NASA's Solar and Heliospheric Observatory spacecraft. What is a Coronal Mass Ejection (CME)? Tuesday, December 8, 2020 - 21:24
NWS Winter Safety Campaign NWS Winter Safety Campaign Tuesday, December 1, 2020 - 16:34

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