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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, April 26, 2018 17:25:13

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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 watch for 13 and 14 April UTC days

G1 Warning Auoral Oval Forecast
G1 (Minor) geomagnetic storm watch for 13 and 14 April UTC days
published: Friday, April 15, 2016 06:08 UTC

A G1 (Minor) geomagnetic storm watch remains in effect for the 13 and 14 April UTC days. Conditions remain favorable for continued, isolated periods of G1 storm levels due to coronal hole high speed stream activity.