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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, April 26, 2018 07:56:43

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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 Storm Warning in Effect, G2 (Minor) Storming Observed

G1 (Minor) Geomagnetic Storm Warning in Effect, G2 (Minor) Storming Observed
published: Saturday, November 26, 2016 03:22 UTC

G2 (Moderate) geomagnetic storm levels were observed at 25/0550 UTC due to coronal hole high speed stream effects. G1 (Minor) geomagnetic storm levels were observed at 25/0540 and 25/0701. A G1 (Minor) geomagnetic storm warning is in effect until 25/2359 UTC.