NOAA Logo

NWS Logo

Organizations

Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, December 27, 2025 05:11:56

Main menu

NOAA Scales mini

minimize icon
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
maximize icon
R
no data
S
no data
G
no data
Current Space Weather Conditions
on NOAA Scales
R1 (Minor) Radio Blackout Impacts
close
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

Originally Posted
R3-Strong flare event. SUVI 131 image X1.9 flare (R3-Strong) event Monday, December 1, 2025 - 03:02
R2 (Moderate) Alert description. SUVI 131 image showing flare location R2 (Moderate) flare event occurred Friday, November 28, 2025 - 22:46
G1-G3 Still Likely Tonight, 12 Nov, with G4 Still Possible G1-G3 Still Likely Tonight, 12 Nov, with G4 Still Possible Thursday, November 13, 2025 - 02:16
G4 Watch Continues into 13 November G4 Watch Continues into 13 November Wednesday, November 12, 2025 - 21:50
G3 (Strong) geomagnetic storming continues, G4 (Severe) still expected Wednesday, November 12, 2025 - 13:27

Pages