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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, January 16, 2018 21:51:10

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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

G1 (Minor) Geomagnetic Storming Observed

Potential Aurora Borealis Viewing Locations
G1 (Minor) Geomagnetic Storming Observed
published: Friday, March 18, 2016 06:08 UTC

G1 (Minor) geomagnetic storm levels were observed at 16/2246 UTC (6:46 PM Eastern), at 17/0222 UTC (10:22 PM Eastern), and again at 17/0549 UTC (1:49 AM Eastern) due to continued coronal hole high-speed stream influence. There is a G1 Warning valid until 17/0900 UTC (5:00 AM Eastern) as activity is expected to persist overnight in the North American night time sector.