NOAA Logo

NWS Logo

Organizations

Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Sunday, December 07, 2025 06:24:22

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

News Archive

Previous SWPC news items.

DAP - temp Head Section

News Archive

Originally Posted
SDO/AIA 335 imagery of the M4 flare from 23 Dec R1-Minor radio blackout occurred Wednesday, December 23, 2015 - 08:20
Auroral Oval Forecast Model Display G1 (Minor) Geomagnetic Storms Continue Sunday, December 20, 2015 - 22:54
Aurora Forecast G2 (Moderate) Geomagnetic Storms Observed on 20 December Sunday, December 20, 2015 - 05:28
G1 (Minor) Geomagnetic Storm Warning Issued Saturday, December 19, 2015 - 16:35
G1 (Minor) - G2 (Moderate) Geomagnetic Storms Likely on 18-19 December Thursday, December 17, 2015 - 16:55

Pages