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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Sunday, February 18, 2018 22:12:55

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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
Solar image with sunspots annotated Almost Out of View - Still a Threat Wednesday, October 29, 2014 - 16:05
Additional CME Activity Tuesday, December 23, 2014 - 14:39
Activity from Region 2158... Tuesday, September 9, 2014 - 04:56
WSA Enlil model run A pair of CMEs Thursday, September 11, 2014 - 05:45
Aurora three day forecast A G1 Warning is in effect from 02/2005-03/0600 UTC Tuesday, August 2, 2016 - 21:02

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