NOAA Logo

NWS Logo

Organizations

Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, April 27, 2024 13:58:17

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

G2 Moderate Storm levels reached

G2 Moderate Storm levels Reached. Aurora forecast plot.
G2 Moderate Storm levels reached
published: Wednesday, September 13, 2023 18:15 UTC

At approximately 12/1759 UTC (12/1159 MDT), G2 (Moderate) geomagnetic storm levels were observed. The elevated geomagnetic storm levels are likely in response to the arrival of a coronal mass ejection at Earth earlier in the period. Stay tuned to our website for additional alerts, watches, or warnings that may be issued.