NOAA Logo

NWS Logo

Organizations

Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, October 02, 2025 16:01:49

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

G3 (Strong) Geomagnetic Storm Warning 02 Oct

G3 (Strong) Geomagnetic Storm Warning 02 Oct
published: Thursday, October 02, 2025 14:15 UTC

G3 (Strong) geomagnetic storming is expected through Oct 02/1200 UTC due to sustained high speed streams influences associated with a positive polarity coronal hole located at the center of the solar disk. A G2 (Moderate) geomagnetic storm watch remains in place thereafter.