NOAA Logo

NWS Logo

Organizations

Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, December 24, 2024 17:46:05

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

Strongest Flare of the Current Solar Cycle

R3 Strong Flare Event
Strongest Flare of the Current Solar Cycle
published: Monday, February 26, 2024 16:58 UTC

Another X-class flare from Region 3590 peaked at approximately 1734 EST on Feb. 22, 2024. The X6.3 flare was the largest of the three X-class flares that occurred in the past 24 hours, and the strongest of this solar cycle. While impressive, this event still poses no significant threat to the general public. Stay up to date with the latest forecast discussions at https://www.swpc.noaa.gov/products/forecast-discussion.