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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, April 25, 2018 20:08:34

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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

Aurora Forecast Model
G1 (Minor) Geomagnetic Storming Observed
published: Thursday, August 04, 2016 06:05 UTC

A G1 (Minor) Geomagnetic Storm Warning is in effect until 03/1500 UTC (3 Aug at 11:00 am EDT). G1 (Minor) geomagnetic storm conditions were observed at 02/2345 UTC, 03/0140 UTC, 03/0859 UTC, and 03/0953 UTC as a result of coronal high-speed stream influence on the Earth's magnetic field.