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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, November 04, 2025 14:44:35

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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
An image depicting the characters Q & A New Website Q&A Tuesday, December 16, 2014 - 09:08
D-region plot R2 Flare from Region 2222 Thursday, December 4, 2014 - 19:40
Service Interruption – Saturday, December 13th - COMPLETE Thursday, December 4, 2014 - 16:35
SWPC WEBSITE TRANSITION ON DECEMBER 9TH SWPC WEBSITE TRANSITION ON DECEMBER 9TH Wednesday, December 3, 2014 - 20:26
The return of old Region 2192. Sunday, November 16, 2014 - 11:04

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