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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, November 23, 2017 18:22:38

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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

News Archive

Previous SWPC news items.

News Archive

Originally Posted
Geospace delta B North America example product Announcing Geospace Model Version 1.5 Wednesday, November 8, 2017 - 21:34
G2 Moderate storm warning/Ovation aurora oval G2 (Moderate) Geomagnetic Storm Warning issued Wednesday, November 8, 2017 - 00:19
Auroral Oval for G1-G2 storming on 8 Nov, 2017 G1-G2 Storming on 7 & 8 November, 2017 Tuesday, November 7, 2017 - 08:00
Announcing The New Experimental, 1D, Interpolated Geoelectric Field Model Thursday, November 2, 2017 - 19:02
R1 (Minor) Radio Blackout Observed Saturday, October 21, 2017 - 12:47

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