NOAA Logo

NWS Logo

Organizations

Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Monday, December 02, 2024 23:32:43

Main menu

NOAA Scales mini

minimize icon
Space Weather Conditions
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
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

CH HSS Influences Likely on 29-31 October, 2023

CH HSS Effects 29-31 October, 2023
CH HSS Influences Likely on 29-31 October, 2023
published: Monday, October 30, 2023 19:05 UTC

CH HSS influences to increase geomagnetic responses 29-31 October, 2023. GOES-16 SUVI / 284A and 195A imagery from 27 Oct at 1230 UTC reveal the CH features - seen as the darker areas near the center of the solar disk. Learn more about GOES satellite imagery at https://www.swpc.noaa.gov/products/goes-solar-ultraviolet-imager-suvi and about CH HSS at https://www.swpc.noaa.gov/phenomena/coronal-holesĀ  Also, continue to visit our webpage for the latest information and forecasts.