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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Monday, August 20, 2018 11:30:31

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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

News Archive

Previous SWPC news items.

News Archive

Originally Posted
SWPC Legacy Website Removal SWPC Legacy Website Removal on 5 September, 2018 Monday, August 13, 2018 - 18:32
Planned Maintenance 10 July, 2018 Planned Maintenance 10 July, 2018 Tuesday, July 10, 2018 - 17:43
2019 Space Weather Workshop Banner 2019 Space Weather Workshop - 1-5 April, 2019 Tuesday, July 3, 2018 - 00:25
Output from SWPC/UMich Geospace Model USAF Wing Kp Model Removed from SWPC Website Wednesday, June 27, 2018 - 19:22
Update: G1 (Minor) Geomagnetic Storm Alert Issued Monday, June 18, 2018 - 02:38

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