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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Sunday, October 22, 2017 22:43:00

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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

What Are Northern Lights?

What Are Northern Lights?
published: Monday, November 07, 2016 14:35 UTC

The Aurora Borealis (Northern Lights) are the result of electrons colliding with Earth’s upper atmosphere.  When space weather activity increases, the aurora may be visible.  During large events, the aurora may be observed as far south as the U.S., Europe, and Asia.  Keep in mind, to observe the aurora, the skies must be dark, clear, and free of clouds.  To learn about the aurora http://www.swpc.noaa.gov/phenomena/aurora #SpaceWeather