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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Sunday, January 21, 2018 08:25:24

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NOAA Scales mini

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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
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R
no data
S
no data
G
no data
Current Space Weather Conditions
R1 (Minor) Radio Blackout Impacts
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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 ascending Originally Posted
R2 (Moderate) activity from Region 2192 Wednesday, October 22, 2014 - 04:04
R1-R2 Radio Blackouts on 4 September, 2017 Monday, September 4, 2017 - 09:35
SDO/AIA 335 imagery of the M4 flare from 23 Dec R1-Minor radio blackout occurred Wednesday, December 23, 2015 - 08:20
AIA 131 flare image and D-Region absorption map R1-Minor radio blackout and S1-Minor solar radiation storm occurred 02 Jan Saturday, January 2, 2016 - 05:55
R1-Minor Flare Activity Observed Thursday, July 21, 2016 - 03:34

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