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National Oceanic and Atmospheric Administration

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NOAA Scales mini

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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
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R
no data
S
no data
G
no data
Current Space Weather Conditions
on NOAA Scales
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

GOES-13 SXI Replaces GOES-15 SXI Data on the Web

GOES-13 SXI Replaces GOES-15 SXI Data on the Web
GOES-13 SXI Replaces GOES-15 SXI Data on the Web
published: Friday, September 04, 2015 17:24 UTC
On August 19, 2015 the primary source for Solar X-ray Imager (SXI) data changed from GOES-15 to GOES-13. The image processing pipeline for GOES-13 applies additional corrections to achieve a better image than is currently available for GOES-15.