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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, November 23, 2017 18:18:54

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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
Enlil model depiction of potential storming Slight chance of G1 (minor) geomagnetic storm Wednesday, June 5, 2013 - 15:29
CME shock arrival at 6/2308 UTC Shock Arrival on 6 Sep at 2308 UTC from 4 September CME Thursday, September 7, 2017 - 01:04
Shock Arrival at ACE Thursday, December 31, 2015 - 01:49
Service Restored - Saturday March 7th, 2015 Service Restored - Saturday March 7th, 2015 Saturday, March 7, 2015 - 22:51
Service Interruption – Saturday, December 13th - COMPLETE Thursday, December 4, 2014 - 16:35

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