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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, April 25, 2024 07:03:32

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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

G1 (Minor) Geomagnetic Storming Observed - G1 Watch still in effect

Ovation Auroral oval forecast
G1 (Minor) Geomagnetic Storming Observed - G1 Watch still in effect
published: Sunday, December 11, 2016 00:24 UTC

G1 (Minor) geomagnetic storm levels were observed at 2050 UTC (3:50 pm ET) on 09 December due to coronal hole high speed stream effects.  The G1 warning has expired but the G1 Watch remains in effect for the remainder of 10 December.  Stay tuned to www.spaceweather.gov for further updates as conditions warrant.