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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, April 20, 2024 16:38:42

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NOAA Scales mini

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Space Weather Conditions
on NOAA Scales
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
on NOAA Scales
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

G2 (Moderate) Geomagnetic Storm Warning Issued

G2 (Moderate) Geomagnetic Storm Warning Issued
published: Friday, April 08, 2016 06:03 UTC

A G2 (Moderate) geomagnetic storm warning has been issued from 2212 UTC (6:12 pm EDT) on 07 April until 0600 UTC (2:00 am EDT) on 08 April due to the arrival of a co-rotating interaction region ahead of a coronal hole high speed stream.  Stay tuned for updates at www.spaceweather.gov for further information as the event unfolds.