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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Friday, November 22, 2024 21:48:17

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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) Watch in effect for 11 July

SDO imagery
G1 (Minor) Watch in effect for 11 July
published: Monday, July 11, 2016 21:47 UTC

A G1 (Minor) geomagnetic storm watch is now in effect for 11 July. A disturbance in the solar wind due to a recurrent positive polarity coronal hole high speed stream (CH HSS) is likely to cause minor geomagnetic storming.  Keep checking our webpage for the latest forecasts and updates.