NOAA Logo

NWS Logo

Organizations

Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, February 05, 2025 11:24:41

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

Minor (S1) Solar Radiation Storm In Progress - 21 Nov 2024

Minor (S1) Solar Radiation Storm In Progress - 21 Nov 2024
published: Friday, November 22, 2024 21:36 UTC

The greater than 10 MeV proton flux became enhanced following an eruption from a source beyond the west limb. The greater than 10 MeV proton flux reached S1 (Minor) storm levels at 21/1925 UTC, and is expected to persist into the early hours of the 22 Nov 2024 UTC day.