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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Sunday, December 07, 2025 07:45:11

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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.

DAP - temp Head Section

News Archive

sort descending Originally Posted
SWFO-L1 Successfully Launched! SWFO-L1 Successfully Launched! Wednesday, September 24, 2025 - 14:08
aurora picture SWORM.GOV Launched Friday, October 20, 2017 - 17:02
Backup test SWPC Backup System Testing - Monday April 20th Friday, April 3, 2015 - 20:07
Backup test SWPC Backup System Testing - TODAY - Thursday, April 2 Monday, March 30, 2015 - 15:42
Backup System Testing SWPC Backup System Testing - Undergoing Schedule Review Saturday, February 21, 2015 - 04:36

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