NOAA Logo

NWS Logo

Organizations

Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, January 20, 2018 05:01:02

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

News Archive

Previous SWPC news items.

News Archive

sort descending Originally Posted
SDO/AIA 335 imagery of the M4 flare from 23 Dec R1-Minor radio blackout occurred Wednesday, December 23, 2015 - 08:20
R1-R2 Radio Blackouts on 4 September, 2017 Monday, September 4, 2017 - 09:35
R2 (Moderate) activity from Region 2192 Wednesday, October 22, 2014 - 04:04
R2 (Moderate) Radio Blackout Observed Sunday, April 2, 2017 - 10:57
D-region absorption prediction during 02/2033 UTC R2 event R2 (Moderate) Radio Blackouts Observed - 02 April 2017 Sunday, April 2, 2017 - 21:26

Pages