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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Sunday, August 19, 2018 08:05:07

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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
G1 (Minor) Geomagnetic Storming Observed Wednesday, August 24, 2016 - 05:34
G2 (Moderate) Geomagnetic Storm Warning Issued Wednesday, August 24, 2016 - 03:19
G1 Warning until 24/0300 UTC G1 Warning in effect through 24/0300 UTC (23/2300 ET) Tuesday, August 23, 2016 - 19:16
US-TEC Model Upgrade US-TEC Model Upgrade Wednesday, August 17, 2016 - 17:56
G1 (Minor) Geomagnetic Storm Watch Issued for 16 August Saturday, August 13, 2016 - 20:39

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