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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, March 21, 2019 16:12:30

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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 Conditions Observed

G1 (Minor) Geomagnetic Storm Conditions Observed
published: Saturday, June 02, 2018 18:49 UTC

G1 (Minor) storm levels were observed at 01/1329 UTC (9:29 Eastern). A warning for G1 (Minor) geomagnetic storming is valid 01/0520-02/1500 UTC due to the influence of a negative polarity coronal hole/high speed solar wind stream. A G1 watch remains in effect for 02 June.