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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, April 25, 2018 19:46:35

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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 descending Originally Posted
SDO/AIA 304 snapshot of the flare provided by the Solar Dynamics Observatory spacecraft. Region 2403 Produces R2-Moderate Solar Flare Activity Monday, August 24, 2015 - 15:53
GOES Xray Flux showing the M7/1b flare at 28/1458 UTC Region 2422 Produces an M7 Flare (R2-Moderate) Monday, September 28, 2015 - 17:00
Regional Geomagnetic Model Products now Fully Operational Tuesday, May 9, 2017 - 15:03
H-alpha and SDO imaes of Sun on 2 Nov 2016 Return to Quiet Conditions Ahead Wednesday, November 2, 2016 - 18:39
Right on time… Friday, September 12, 2014 - 16:11

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