NOAA Logo

NWS Logo

Organizations

Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Friday, August 12, 2022 18:41:06

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

M9 Flare (R2 - Moderate Radio Blackout) on 31 March, 2022

M9 Flare on 31 Mar at 1835 UTC
M9 Flare (R2 - Moderate Radio Blackout) on 31 March, 2022
published: Sunday, April 03, 2022 10:05 UTC

An M9.6 flare (R2 - Moderate Radio Blackout) occurred at 2:35 pm EDT (1835 UTC) March 31st, 2022. The source location was from the flare productive, magnetically complex sunspot group, Region 2975. This same sunspot group has been the source of multiple flares over the past few days, with the most notable, prior flares being an M4 (R1) on 28 March at 7:29 am EDT (28/1129 UTC) and a X1 (R3) on 30 March at 1:37 pm EDT (30/1737 UTC) . Continue to visit our webpage for the latest information and updates.