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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Friday, April 19, 2024 20:16:19

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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
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G
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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

SWPC Website only to Support HTTPS Protocol Beginning September 17

SWPC News Announcement
SWPC Website only to Support HTTPS Protocol Beginning September 17
published: Monday, January 28, 2019 19:35 UTC

Beginning September 17, 2018, at approximately 1200 UTC (0800 ET), the SWPC website will no longer support HTTP format for its data service. The service will only support the HTTPS protocol from that point forward. The HTTPS protocol is currently active and we encourage all users to change from HTTP to HTTPS at this time. For example, http://services.swpc.noaa.gov should be changed to https://services.swpc.noaa.gov