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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, April 26, 2018 17:18:15

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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

News Archive

Previous SWPC news items.

News Archive

sort ascending Originally Posted
Active Region 12339 Coronal Mass Ejection From 05 May To Miss Earth Thursday, May 7, 2015 - 18:55
Coronal Hole High Speed Streams (CH HSS) Monday, September 25, 2017 - 21:17
Continuing Residual Magnetic Activity Following St. Patrick's Day G4 Storm Thursday, March 19, 2015 - 14:29
Continued G1-G2 (Minor-Moderate) storm levels expected Wednesday, October 7, 2015 - 07:13
CME Influence Continues Saturday, September 13, 2014 - 14:26

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